EARTHQUAKES. Bruce A. Bolt. Fifth Edition. W. H. Freeman and Company New York. University of California, Berkeley
|
|
- Kerry Webster
- 5 years ago
- Views:
Transcription
1 EARTHQUAKES Fifth Edition Bruce A. Bolt University of California, Berkeley DS W. H. Freeman and Company New York
2 Preface xi What We Feel in an Earthquake 1 The 1906 Eye-Opening San Francisco Earthquake 3 BOX 1.1: The 1906 San Francisco Earthquake Centennial 5 The 1989 Santa Cruz Mountains (Loma Prieta) Earthquake, California 10 Two Huge Alaska Earthquakes: 1964 and Types of Seismic Waves in Earthquake Shaking 19 A "Big One" in Taiwan, Where Earthquakes Occur 28 Why Earthquakes? ' 29 Earthquakes in Past Times 31 Observatories to Study Earthquakes 33 The Global Mosaic of Earthquakes 34 Depths of Earthquake Foci 39 Sakhalin, Russia, Disaster, Surprise Seismicity in Upper Egypt 44 Moonquakes and Marsquakes 47 APPLIED SEISMOLOGY BOX 2.1: Mystery of the Great \ Tunguska UFO, 1908, Siberia 50 3 Faults in the Earth 52 Types of Geological Faults 53 The 1891 Mino-Owari (Nobi) Earthquake, Japan 59 The 1979 Imperial Valley Earthquake, California 61 A Recent Japanese Example, Kobe The Tragedy of the 1988 Armenian Earthquake 64 The 1990 Philippine Fault Rupture 67 A Further Unzipping: 1999, Kocaeli, Turkey 71 Fault Slippage and Fault Gouge 73 (V) The Causes of Earthquakes 78 Types of Earthquakes 79 Geodetic Surveying and the Slow Buildup of Energy 82
3 APPLIED SEISMOLOGY BOX 4.1: Impacts of the World Trade Center Collapse, September 11, Elastic Rebound 88 The Effect of Water on Rocks Beneath the Surface 90 Reservoir-Triggered Earthquakes and Dam Safety: Oroville, California, What Produces Seismic Waves? 101 BOX 4.2: Method of Obtaining Direction of Faulting from P-Wave Directions on Seismograms 104 Twin Thrust Sources: 1971 San Fernando and 1994 Northridge 106 Measuring Earthquakes 108 Sensitive and Strong-Motion Seismographs 109 How to Understand Seismograms 114 How to Locate an Earthquake 116 BOX 5.1: Sample Calculation of the Location of the Epicenter of an Earthquake (Near Oroville, August 1975) 118 APPLIED SEISMOLOGY BOX 5.2: Tragedy of the Russian Kursk Submarine 120 The Digital Revolution-The Modern Earthquake Telescope 122 Close to the Fault Source 123 BOX 5.3: Imprint of a Moving Fault Rupture 124 Exploring Inside the Earth 128 Earthquake Waves Through the Interior 129 Seismic-Wave Probes \ 131 Interpretations of Seismograms 133 Interior Earth Structure 135 Illuminating the Innermost Core 136 Fine Mapping of Deep Earth Structure 138 Earthquakes and Plate Tectonics 142 Driving Forces in the Earth 143 The Plate Conveyer-Belt Solution 146 Explanation of Inter- and Intraplate Earthquakes 150 Predictions Using the Plate Tectonic Theory 153 The 1960 and 1985 Chile Interplate Earthquakes 155 The Size of an Earthquake 158 Intensity of Shaking 159 How to Calculate Earthquake Instrumental Magnitude 163
4 ( j x BOX 8.1: Example of the Calculation of the Richter Magnitude (M L )of a Local Earthquake 165 Energy in Earthquakes 167 The Seismic Moment Magnitude 168 A Detective Story: Nuclear Explosions or Natural Earthquakes? 171 APPLIED SEISMOLOGY BOX 8.2: Seismic Mystery in Australia: Earthquake, Meteorite, or Nuclear Blast? 173 Acceleration of Ground Shaking 174 Landers, 1992: The Largest U.S. Earthquake in 28 Years 177 Upthrow 179 Volcanoes, Tsunamis, and Earthquakes 182 Eruptions in Hawaii 185 Volcanic Hazards 187 Explosion of Mount Saint Helens, Mammoth Lakes Earthquake Swarm, California 192 Tsunamis 195 BOX 9.1: Notable Tsunamis of the World 197 BOX 9.2: Properties of a Tsunami 201 Tsunami Alerts: The 1993 Hokkaido Disaster 203 Tragedy at Crescent City, California, Atlantis and Santorini ) Events That Precede an Earthquake 210 Efforts at Earthquake Forecasting 211 BOX 10.1: Types of Socioeconomic Impacts and Adjustments to an Earthquake Prediction 216 Clues for Recognizing Impending Earthquakes 217 BOX 10.2: Suggested Physical Clues for Earthquake Prediction 219 Earthquake Prediction in China 222 Fossil Earthquakes 227 The Cascadia Subduction Zone in the Northwest United States 230 Silent Earthquakes 234 The Parkfield, California, Earthquake Prediction: Failed but Postponed 235 Calculating the Probability of an Earthquake 237 BOX 10.3: Probability of Seismicity for California 239 APPLIED SEISMOLOGY BOX 10.4: Brightness and Shadow: Predicting Earthquake Patterns 240
5 Contents Dangers from Earthquakes 244 Types of Hazards 245 BOX 11.1: The Main Earthquake Hazards 246 Liquefying Wet Sand 249 Self-Protection in an Earthquake 251 BOX 11.2: Personal Protection in an Earthquake 252 The 1983 Coalinga, California, Earthquake 256 A Study in Hazard: Chi-Chi, Taiwan, Steps to Reduce Hazards to Homes 260 Help from Earthquake Insurance 263 Reducing Earthquake Risk 268 Improvements in Planning and Zoning 269 Collapse of Unreinforced Masonry: Newcastle, Australia, The Mexico Earthquake of September 19, Major Engineered Structures and Earthquake Risk 281 BOX 12.1: Seismicity Risk Studies for a Particular Site 284 Safe Operation of Hospitals and Schools 285 The Deadliest Intraplate Earthquake, India The Loss of Art: Assisi, September and October The 1989 Loma Prieta and 1994 Northridge Earthquakes Revisited 293 Emergency Warning Systems: "Shake Maps" 298 What Is Acceptable Risk? 299 Appendices 304 A: World Earthquakes and Seismicity Rates \ 304 B: Important Earthquakes of the United States and Canada 313 C: Abridged Modified Mercalli Intensity Scale 327 D: Geologic Time Scale 330 E: Conversion Tables 332 F: How to Determine Fault Planes from First Motions 334 G: Sample Calculations of Magnitudes, Moment, and Energy of an Earthquake 338 H: The Elements of Wave Motion 340 I: Propagation of Elastic Waves 343 An Earthquake Quiz 344 Answers to Quiz 350 Glossary 352 Further Reading 359 Internet Resources 362 Index 366
I. Locations of Earthquakes. Announcements. Earthquakes Ch. 5. video Northridge, California earthquake, lecture on Chapter 5 Earthquakes!
51-100-21 Environmental Geology Summer 2006 Tuesday & Thursday 6-9:20 p.m. Dr. Beyer Earthquakes Ch. 5 I. Locations of Earthquakes II. Earthquake Processes III. Effects of Earthquakes IV. Earthquake Risk
More informationEarthquakes.
Earthquakes http://thismodernworld.com/comic-archive Elastic rebound http://projects.crustal.ucsb.edu/understanding/elastic/rebound.html Elastic rebound Rocks store energy elastically When stored stress
More informationEarthquakes. Earthquake Magnitudes 10/1/2013. Environmental Geology Chapter 8 Earthquakes and Related Phenomena
Environmental Geology Chapter 8 Earthquakes and Related Phenomena Fall 2013 Northridge 1994 Kobe 1995 Mexico City 1985 China 2008 Earthquakes Earthquake Magnitudes Earthquake Magnitudes Richter Magnitude
More informationEarthquakes. Photo credit: USGS
Earthquakes Earthquakes Photo credit: USGS Pancaked Building - 1985 Mexico City Earthquakes don t kill people - buildings do! An earthquake is the motion or trembling of the ground produced by sudden displacement
More informationGEOL 170 Professor Charles M. Rubin. Lecture 01. Syllabus & organization of course. Reading for this week: Ch 1 & 2 List of terms.
Professor Charles M. Rubin Lecture 01 Syllabus & organization of course Reading for this week: Ch 1 & 2 List of terms. What is an earthquake? Types of seismic waves seismic waves are acoustic waves body
More informationWhat Is an Earthquake? What Is an Earthquake? Earthquake
Earthquakes Earth,, Chapter 11 Built Earthquakes: on shaky summary ground, in haiku form Memphis, south of New Madrid - whole lotta shakin'... What Is an Earthquake? An earthquake is ground shaking caused
More informationDangerous tsunami threat off U.S. West Coast
Earthquakes Ch. 12 Dangerous tsunami threat off U.S. West Coast Earthquakes What is an Earthquake? It s the shaking and trembling of the Earth s crust due to plate movement. The plates move, rocks along
More informationEarthquakes Earth, 9th edition, Chapter 11 Key Concepts What is an earthquake? Earthquake focus and epicenter What is an earthquake?
1 2 3 4 5 6 7 8 9 10 Earthquakes Earth, 9 th edition, Chapter 11 Key Concepts Earthquake basics. "" and locating earthquakes.. Destruction resulting from earthquakes. Predicting earthquakes. Earthquakes
More informationEarthquakes. Building Earth s Surface, Part 2. Science 330 Summer What is an earthquake?
Earthquakes Building Earth s Surface, Part 2 Science 330 Summer 2005 What is an earthquake? An earthquake is the vibration of Earth produced by the rapid release of energy Energy released radiates in all
More informationEarthquakes and Earthquake Hazards Earth - Chapter 11 Stan Hatfield Southwestern Illinois College
Earthquakes and Earthquake Hazards Earth - Chapter 11 Stan Hatfield Southwestern Illinois College What Is an Earthquake? An earthquake is the vibration of Earth, produced by the rapid release of energy.
More informationEarthquakes How and Where Earthquakes Occur
Earthquakes How and Where Earthquakes Occur PPT Modified from Troy HS Is there such thing as earthquake weather? Absolutely NOT!!! Geologists believe that there is no connection between weather and earthquakes.
More informationEARTH SCIENCE KESSEL
EARTH SCIENCE KESSEL Bell Ringer List everything you KNOW about a volcano (at least 3 things). Then list everything you WANT to know about volcanoes (at least 2 things). Bell Ringer What evidence might
More informationWhat is an earthquake?
Earthquakes Definitions Seismology The study of earthquakes dates back almost 2000 years to the Chinese Fault A crack in the Earth along which movement or sliding occurs What is an earthquake? Focus vs.
More informationEarthquakes, an overview. Christa G. von Hillebrandt-Andrade Puerto Rico Seismic Network University of PR-Mayagüez
Earthquakes, an overview Christa G. von Hillebrandt-Andrade Puerto Rico Seismic Network University of PR-Mayagüez Earthquakes?!?!?! Myth #1 The main danger associated with Earthquakes are the fissures
More informationFOURTH GRADE HAZARDS 1 WEEK LESSON PLANS AND ACTIVITIES
FOURTH GRADE HAZARDS 1 WEEK LESSON PLANS AND ACTIVITIES PLATE TECTONIC CYCLE OVERVIEW OF FOURTH GRADE VOLCANOES WEEK 1. PRE: Comparing different structures of volcanoes. LAB: Modeling three types of volcanoes.
More informationWhat is an earthquake?
What is an earthquake? Shaking or vibration of the ground rocks undergoing deformation break suddenly along a fault 1906 San Francisco earthquake Oblique view of the San Andreas fault and San Francisco
More informationEarthquakes and Earth s Chapter. Interior
Earthquakes and Earth s Chapter Interior 8.1 What Is an Earthquake? An earthquake is the vibration of Earth produced by the rapid release of energy Focus and Epicenter Focus is the point within Earth
More informationLecture Outline Wednesday-Monday April 18 23, 2018
Lecture Outline Wednesday-Monday April 18 23, 2018 Questions? Lecture Final Exam Lecture Section 1 Friday May 4, 8:00-10:00am Lecture Section 2 Friday May 4, 3:10-5:10 pm Final Exam is 70% new material
More informationEarthquakes. Earthquakes and Plate Tectonics. Earthquakes and Plate Tectonics. Chapter 6 Modern Earth Science. Modern Earth Science. Section 6.
Earthquakes Chapter 6 Modern Earth Science Earthquakes and Plate Tectonics Section 6.1 Modern Earth Science Earthquakes and Plate Tectonics Earthquakes are the result of stresses in Earth s s lithosphere.
More informationElastic rebound theory
Elastic rebound theory Focus epicenter - wave propagation Dip-Slip Fault - Normal Normal Fault vertical motion due to tensional stress Hanging wall moves down, relative to the footwall Opal Mountain, Mojave
More informationPrentice Hall EARTH SCIENCE
Prentice Hall EARTH SCIENCE Tarbuck Lutgens Chapter 8 Earthquakes and Earth s Interior 8.1 What Is an Earthquake? Earthquakes An earthquake is the vibration of Earth produced by the rapid release of energy
More informationPart 2 - Engineering Characterization of Earthquakes and Seismic Hazard. Earthquake Environment
Part 2 - Engineering Characterization of Earthquakes and Seismic Hazard Ultimately what we want is a seismic intensity measure that will allow us to quantify effect of an earthquake on a structure. S a
More information158 Reducing Earthquake Losses
ndex A Accelerographs, 64 Active control systems, 83-84 Active mass damping, 83 Active tendons, 83 Advocates, role of, 116 Air Force Office of Scientific Research, 133 Alaska, 42-43 Alquist-Priolo Act,
More informationEarthquakes Chapter 19
Earthquakes Chapter 19 Does not contain complete lecture notes. What is an earthquake An earthquake is the vibration of Earth produced by the rapid release of energy Energy released radiates in all directions
More informationLAB 9: Earthquakes & Seismic Activity
LAB 9: Earthquakes & Seismic Activity Objectives Identify P, S, and surface waves on a simple seismogram Locate the epicenter of an earthquake using seismograms and travel times curves Describe how the
More informationMeasuring EQ, Tsunamis
16 June 16 Summer Session 2016 Horst Rademacher HH Lect 6: Earth s Interior Measuring EQ, Tsunamis http://seismo.berkeley.edu/~horst/summer2016.html Recap from Midterm Questions 4: Question 8: Question
More informationDynamic Crust Regents Review
Name Dynamic Crust Regents Review Base your answers to questions 1 through 3 on the table below, which lists the location of some earthquakes, their Richter magnitude, and their year of occurrence. Data
More informationEarthquake Hazards. Tsunami
Earthquake Hazards Tsunami Review: What is an earthquake? Earthquake is the vibration (shaking) and/or displacement of the ground produced by the sudden release of energy. The point inside the Earth where
More informationDirected Reading. Section: How and Where Earthquakes Happen WHY EARTHQUAKES HAPPEN. Skills Worksheet. 1. Define earthquake.
Skills Worksheet Directed Reading Section: How and Where Earthquakes Happen 1. Define earthquake. 2. When do earthquakes usually occur? 3. What is a fault? WHY EARTHQUAKES HAPPEN 4. Rocks along both sides
More informationSan Andreas Movie Can It Happen?
San Andreas Movie Can It Happen? Learning Objectives (LO) Lecture 14: Faults and Quakes Read: Chapter 10 and 11 Homework #12 due Thursday 12pm What we ll learn today:! 1. Compare strike-slip to dip-slip
More informationChapter: Earthquakes and Volcanoes
Table of Contents Chapter: Earthquakes and Volcanoes Section 1: Earthquakes Section 2: Volcanoes Section 3: Earthquakes, Volcanoes, and Plate Tectonics 1 Earthquakes What causes earthquakes? Elastic Rebound
More informationAn entire branch of Earth science, called, is devoted to the study of earthquakes.
Lesson One Essential Question Where do earthquakes take place? What causes earthquakes? What are three different types of faults that occur at plate boundaries? How does energy from earthquakes travels
More informationI. What are Earthquakes?
I. What are Earthquakes? A. There is more to earthquakes than just the shaking of the ground. An entire branch of Earth science, called seismology, is devoted to the study of earthquakes. B. Earthquakes
More informationNot all eruptions are the same. Sometimes, there is a huge explosion. The hot magma shoots
Natural Disasters A natural disaster is an event that happens in nature. It is an event that can cause a lot of damage. Volcanoes, earthquakes, and tsunamis are all natural disasters. Volcanoes A volcano
More informationEarthquake. earthquake, epicenters in the U.S. Kobe, Japan deaths
Kobe, Japan 1995 5000 deaths Earthquakes It is estimated that there are 500,000 detectable earthquakes in the world each year. 100,000 of those can be felt, and 100 of them cause damage. The world's deadliest
More informationSeismic Hazard Abatement Program
Seismic Hazard Abatement Program Recommendations To take the first steps toward a seismic mitigation program for older existing buildings To improve our current regulatory system for implementation of
More informationSeismic Waves. 1. Seismic Deformation
Types of Waves 1. Seismic Deformation Seismic Waves When an earthquake fault ruptures, it causes two types of deformation: static; and dynamic. Static deformation is the permanent displacement of the ground
More informationHow to Use This Presentation
How to Use This Presentation To View the presentation as a slideshow with effects select View on the menu bar and click on Slide Show. To advance through the presentation, click the right-arrow key or
More information22.5 Earthquakes. The tsunami triggered by the 2004 Sumatra earthquake caused extensive damage to coastal areas in Southeast Asia.
The tsunami triggered by the 2004 Sumatra earthquake caused extensive damage to coastal areas in Southeast Asia. An earthquake is a movement of Earth s lithosphere that occurs when rocks in the lithosphere
More informationThe Earthquake Cycle Chapter :: n/a
The Earthquake Cycle Chapter :: n/a A German seismogram of the 1906 SF EQ Image courtesy of San Francisco Public Library Stages of the Earthquake Cycle The Earthquake cycle is split into several distinct
More informationEarthquake Hazards. Tsunami
Earthquake Hazards Tsunami Measuring Earthquakes Two measurements that describe the power or strength of an earthquake are: Intensity a measure of the degree of earthquake shaking at a given locale based
More information10/18/2011. Chapter 8. Elastic Rebound Theory. Introduction. Earthquakes. and the Earth s Interior. Introduction. Introduction.
Chapter 8 Introduction Earthquake the sudden release of energy, usually along a fault, that produces shaking or trembling of the ground Earthquakes and the Earth s Interior Fig. 8.1 b, p. 191 Introduction
More informationVIDEO The 2011 Japanese Earthquake and Tsunami
VIDEO The 2011 Japanese Earthquake and Tsunami Why was it so large and devastating? Why so short a warning? Why did tsunami precautions fail? What happened elsewhere? The Loma Prieta Earthquake (1989)
More information2.3 Notes: Earthquake Damage Can Be Reduced
2.3 Notes: Earthquake Damage Can Be Reduced Earthquakes can cause severe damage and loss of life Each year, there is about one earthquake with a magnitude of or higher-this is an extremely earthquake.
More informationDynamic Earth A B1. Which type of plate boundary is located at the Jordan Fault? (1) divergent (3) convergent (2) subduction (4) transform
Dynamic Earth A B1 1. The edges of most lithospheric plates are characterized by (1) reversed magnetic orientation (2) unusually rapid radioactive decay (3) frequent volcanic activity (4) low P-wave and
More informationEarthquake Hazards. Tsunami
Earthquake Hazards Tsunami Review: What is an earthquake? Earthquake is the vibration (shaking) and/or displacement of the ground produced by the sudden release of energy. The point inside the Earth where
More informationObjectives. Vocabulary
Forces Within Earth Objectives Define stress and strain as they apply to rocks. Distinguish among the three types of faults. Contrast three types of seismic waves. Vocabulary stress strain fault primary
More informationEarthquakes and Faulting
Earthquakes and Faulting Crustal Strength Profile Quakes happen in the strong, brittle layers Great San Francisco Earthquake April 18, 1906, 5:12 AM Quake lasted about 60 seconds San Francisco was devastated
More informationUGRC 144 Science and Technology in Our Lives/Geohazards
UGRC 144 Science and Technology in Our Lives/Geohazards Session 3 Understanding Earthquakes and Earthquake Hazards Lecturer: Dr. Patrick Asamoah Sakyi Department of Earth Science, UG Contact Information:
More informationGeology 101 Study Guide #4
Geology 101 Study Guide #4 Our last unit is the study of the earthquakes, the Earth s interior and plate tectonics. We live in a region which has been added on to North America through plate tectonics.
More informationEarthquakes. Pt Reyes Station 1906
Earthquakes Pt Reyes Station 1906 Earthquakes Ground shaking caused by the sudden release of accumulated strain by an abrupt shift of rock along a fracture in the earth. You Live in Earthquake Country
More informationHomework Assignment II. Seismological Exercises Fall 2014
Page 1 of 8 EENS 3050 Tulane University Natural Disasters Prof. Stephen A. Nelson Homework Assignment II. Seismological Exercises Fall 2014 This page last updated on 03-Sep-2014 Answer the following questions.
More informationEarthquakes & Volcanoes
Earthquakes & Volcanoes Geology - the study of solid Earth, the rocks of which it is composed, and the processes by which they change geo = Earth; ology = study of Earth s Layers Plate Tectonics - the
More informationINTRODUCTION TO VOLCANIC SEISMOLOGY
INTRODUCTION TO VOLCANIC SEISMOLOGY V.M. Zobin Observatorio Vulcanologico, Colima, Mexico ELSEVIER Amsterdam - Boston - Heidelberg - London - New York - Oxford Paris - San Diego - San Francisco - Singapore
More informationUNIT - 7 EARTHQUAKES
UNIT - 7 EARTHQUAKES WHAT IS AN EARTHQUAKE An earthquake is a sudden motion or trembling of the Earth caused by the abrupt release of energy that is stored in rocks. Modern geologists know that most earthquakes
More informationCharacteristics and introduction of Earthquake in Asia-Pacific region
Characteristics and introduction of Earthquake in Asia-Pacific region 1906 San Francisco 2011 Tohoku 1999 Chi-Chi 1985 Mexico City 2004 Sumatra Chung-Han Chan 詹忠翰 2011 Christchurch To understand the characteristics
More informationMt St Helens was know to have entered into active periods that lasted from years once every years over the last 500 years, (Figure 5).
Lecture #8 notes; Geology 3950, Spring 2006; CR Stern May 1980 eruption of Mt St Helens volcano (text pages 183-192 in the 4 th edition and 206-222 in the 5 th edition) Mt St Helens in southwest Washington
More informationEarthquake Engineering GE / CE - 479/679
Earthquake Engineering GE / CE - 479/679 Topic 4. Seismometry John G. Anderson Director February 4-6, 2003 1 Wood-Anderson Seismograph Important because: Principles of operation are widely used. Basis
More informationEarth and Space Science Semester 2 Exam Review. Part 1. - Convection currents circulate in the Asthenosphere located in the Upper Mantle.
Earth and Space Science 2015 Semester 2 Exam Review Part 1 Convection -A form of heat transfer. - Convection currents circulate in the Asthenosphere located in the Upper Mantle. - Source of heat is from
More informationDisclaimer. This report was compiled by an ADRC visiting researcher (VR) from ADRC member countries.
Disclaimer This report was compiled by an ADRC visiting researcher (VR) from ADRC member countries. The views expressed in the report do not necessarily reflect the views of the ADRC. The boundaries and
More informationFinding an Earthquake Epicenter Pearson Education, Inc.
Finding an Earthquake Epicenter Measuring the Size of Earthquakes Two measurements that describe the size of an earthquake are: 1. Intensity a measure of the degree of earthquake shaking at a given locale
More informationCh12&13 Test. 3. Where does the first motion of an earthquake occur? a. fault c. epicenter b. focus d. locus
Ch12&13 Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. What is the epicenter of an earthquake? a. the location along a fault where the first motion
More informationChapter 8: Earthquakes and Earth s Interior Section 1: What is an Earthquake? I. Earthquakes Group # Main Idea:
Chapter 8: Earthquakes and Earth s Interior Section 1: What is an Earthquake? I. Earthquakes Group # A. Focus and Epicenter Group # B. Faults Group # II. Cause of Earthquakes Group # A. Elastic Rebound
More informationLecture notes Bill Engstrom: Instructor Earthquakes GLG 101 Physical Geology
Lecture notes Bill Engstrom: Instructor Earthquakes GLG 101 Physical Geology Now that we ve seen what faults are and how mountains are built, we can look at what happens when there is movement along those
More informationInternal / External Processes Create? Major External Processes Driven by energy from the sun and from gravity. Also create hazards and resources.
ES 10 September 2018 Geologic Processes and Hazards Geology: scientific study of Earth s materials and processes Materials: what are these, list as many as you can External & Internal Processes: list several
More informationA Living Planet. The Earth Inside and Out
A Living Planet The Earth Inside and Out Planet Earth Earth s Rotation, Revolution, and Tilt Most of Earth s energy comes from the Sun, which we call solar energy. Imagine that the Earth has an imaginary
More informationThe Cascading Hazards from Cascadia s Earthquakes
Tsunamis The Cascading Hazards from Cascadia s Earthquakes Earthquakes (Nisqually earthquake, Seattle, WA) Volcanoes (Mt St Helens eruption, WA) Joan Gomberg gomberg@usgs.gov Landslides (Oso landslide,
More informationHomework Assignment II. Seismological Exercises Spring 2018
Page 1 of 8 EENS 3050 Tulane University Natural Disasters Prof. Stephen A. Nelson Homework Assignment II. Seismological Exercises Spring 2018 This page last updated on 30-Jan-2018 Answer the following
More informationEarthquakes and Earth s Interior
- What are Earthquakes? Earthquakes and Earth s Interior - The shaking or trembling caused by the sudden release of energy - Usually associated with faulting or breaking of rocks - Continuing adjustment
More informationEarthquake early warning: Adding societal value to regional networks and station clusters
Earthquake early warning: Adding societal value to regional networks and station clusters Richard Allen, UC Berkeley Seismological Laboratory rallen@berkeley.edu Sustaining funding for regional seismic
More informationBy: Tiffany Norton Ashleigh Ibos
By: Tiffany Norton Ashleigh Ibos Introduction Earthquakes are a major nature hazard. People need to be more informed on why they happen, how they come about, and interesting facts about them. Project Overview
More informationUsing information about wave amplitudes to learn about the earthquake size.
Earthquake Magnitudes and Moments Using information about wave amplitudes to learn about the earthquake size. Need to correct for decrease with distance M = log(a/t) + F(h,Δ) + C A is the amplitude of
More informationIntroduction to Volcanic Seismology
Introduction to Volcanic Seismology Second edition Vyacheslav M. Zobin Observatorio Vulcanolo'gico, Universidad de Colima, Colima, Col., Mexico ELSEVIER AMSTERDAM BOSTON HEIDELBERG LONDON * NEW YORK OXFORD
More informationHow to communicate Cascadia Subduction Zone earthquake hazards
How to communicate Cascadia Subduction Zone earthquake hazards Tom Brocher Research Geophysicist Earthquake Science Center U.S. Geological Survey Menlo Park, California Seattle Post-Intelligencer Lessons
More informationSeismic vulnerability in Latinamerica Speaker: Rafael Osiris de León Sciences Academy of Dominican Republic.
Seismic vulnerability in Latinamerica Speaker: Rafael Osiris de León Sciences Academy of Dominican Republic. IANAS GENERAL ASSEMBLY Punta Cana, 16-20 July, 2013 TECTONIC PLATES AND EARTHQUAKES Pacific
More informationSection 19.1: Forces Within Earth Section 19.2: Seismic Waves and Earth s Interior Section 19.3: Measuring and Locating.
CH Earthquakes Section 19.1: Forces Within Earth Section 19.2: Seismic Waves and Earth s Interior Section 19.3: Measuring and Locating Earthquakes Section 19.4: Earthquakes and Society Section 19.1 Forces
More informationEarthquakes Modified
Plate Tectonics Earthquakes Modified Recall that the earth s crust is broken into large pieces called. These slowly moving plates each other, each other, or from each other. This causes much on the rocks.
More information"The Big One" by sea and not by land
"The Big One" by sea and not by land By Los Angeles Times, adapted by Newsela staff on 03.24.14 Word Count 629 Surfer Lee Johnson emerges from the water at San Onofre State Beach, Calif., with the twin
More informationInstructor: Ms. Terry J. Boroughs Geology 305 Restless/Dynamic EARTH: Geologic Structures (Folds & faults); Earthquakes; and the Earth s Interior
DATE DUE: Instructor: Ms. Terry J. Boroughs Geology 305 Name: Restless/Dynamic EARTH: Geologic Structures (Folds & faults); Earthquakes; and the Earth s Interior Instructions: Read each question carefully
More informationEARTHQUAKES AND EARTHQUAKE-RESISTANT DESIGN OF STRUCTURES. Er. K. S. BHARGAV LECTURER Department of Civil Engineering, GGSGP CHEEKA
EARTHQUAKES AND EARTHQUAKE-RESISTANT DESIGN OF STRUCTURES by Er. K. S. BHARGAV LECTURER Department of Civil Engineering, GGSGP CHEEKA SCOPE OF PRESENTATION EARTHQUAKE AND ITS CHARACTERIZATION EARTHQUAKE-RESISTANT
More informationDevelopment of U. S. National Seismic Hazard Maps and Implementation in the International Building Code
Development of U. S. National Seismic Hazard Maps and Implementation in the International Building Code Mark D. Petersen (U.S. Geological Survey) http://earthquake.usgs.gov/hazmaps/ Seismic hazard analysis
More informationSEISMIC HAZARD ANALYSIS. Instructional Material Complementing FEMA 451, Design Examples Seismic Hazard Analysis 5a - 1
SEISMIC HAZARD ANALYSIS Instructional Material Complementing FEMA 451, Design Examples Seismic Hazard Analysis 5a - 1 Seismic Hazard Analysis Deterministic procedures Probabilistic procedures USGS hazard
More informationWhat is an Earthquake?
Earthquakes What is an Earthquake? Earthquake - sometimes violent shaking of ground caused by movement of Earth s tectonic plates; creates seismic waves Often followed by smaller earthquakes (aftershocks);
More informationCHAPTER 1 BASIC SEISMOLOGY AND EARTHQUAKE TERMINOLGY. Earth Formation Plate Tectonics Sources of Earthquakes...
CHAPTER 1 BASIC SEISMOLOGY AND EARTHQUAKE TERMINOLGY Earth Formation... 1-2 Plate Tectonics... 1-2 Sources of Earthquakes... 1-3 Earth Faults... 1-4 Fault Creep... 1-5 California Faults... 1-6 Earthquake
More informationUNLV GEOL101 Lecture Outline Fall Week 11/7/11
Week 11/7/11 I. Earthquakes A. vibration of the earth that results from a rapid release of energy B. sources of energy include 1. landslides 2. volcanoes 3. nuclear explosions 4. earth movement along faults
More informationInstructor: Ms. Terry J. Boroughs Geology 300 Restless/Dynamic EARTH: Geologic Structures (Folds & faults); Earthquakes; and the Earth s Interior
DATE DUE: Instructor: Ms. Terry J. Boroughs Geology 300 Name: Restless/Dynamic EARTH: Geologic Structures (Folds & faults); Earthquakes; and the Earth s Interior Instructions: Read each question carefully
More informationEarthquakes 11/14/2014. Earthquakes Occur at All Boundaries. Earthquakes. Key Aspects of an Earthquake. Epicenter. Focus
Earthquakes Earthquakes Caused by friction and movement between Earth s tectonic plates A release of force Often caused by a catch between two plates As plates slide by, they stick to each other When the
More informationChapter 15. Earthquakes and Plate Tectonics. what s the connection? At the boundaries friction causes plates to stick together.
Chapter 15 Earthquakes and Plate Tectonics what s the connection? As with volcanoes, earthquakes are not randomly distributed over the globe At the boundaries friction causes plates to stick together.
More informationChapter 13 EARTHQUAKES AND EARTH STRUCTURE. FIGURE 13.1 The elastic rebound theory explains the earthquake cycle. [Photo by G. K. Gilbert/USGS.
FIGURE 13.2 Map of California, showing the segments of the San Andreas fault that ruptured in 1680, 1857, and 1906. [Southern California Earthquake Center.] Chapter 13 EARTHQUAKES AND EARTH STRUCTURE FIGURE
More informationSection Forces Within Earth. 8 th Grade Earth & Space Science - Class Notes
Section 19.1 - Forces Within Earth 8 th Grade Earth & Space Science - Class Notes Stress and Strain Stress - is the total force acting on crustal rocks per unit of area (cause) Strain deformation of materials
More informationMeasuring the Size of an Earthquake
Earthquake Hazard Information Hazard, Risk, Magnitude, Intensity, Earthquake Statistics Part 1 (Information for interpreting the results of building contest and shake table testing; L. Braile, 03/12/03)
More information#13 Earthquake Prediction
#13 Earthquake Prediction Obvious importance Earthquake Prediction Save lives, reduce damage Earthquake Prediction - Types Long-range prediction - involves EQ probability over long time period (years to
More informationElastic Rebound Theory
Earthquakes Elastic Rebound Theory Earthquakes occur when strain exceeds the strength of the rock and the rock fractures. The arrival of earthquakes waves is recorded by a seismograph. The amplitude of
More informationThe Mega-Earthquakes of Chile: Seismology and the Sounds of the Earth
The Mega-Earthquakes of Chile: Seismology and the Sounds of the Earth Michael Wysession Department of Earth and Planetary Sciences Washington University, St. Louis, MO Puerto Montt, Chile, November 6,
More informationName: KEY California Geology. Unit IX Earthquakes
Unit IX Earthquakes Name: KEY California Geology The following assignment is based on information presented in Unit IX. Be sure to read the paragraphs (Note 1) provided before you attempt to answer the
More informationThis article is provided courtesy of the American Museum of Natural History.
Avoiding Earthquake Surprises in the Pacific Northwest This article is provided courtesy of the American Museum of Natural History. How Vulnerable Is the Pacific Northwest? Cascadia is a region in the
More informationProcesses and Impact of Natural Hazards
The Big Island of Hawaii is the largest of the Hawaiian Islands. It is also home to a very active volcano. The Kilauea volcano has been active since 1983. The lava that flows from the Kilauea volcano has
More informationEarthquakes = shaking of Earth because of a rapid release of energy
There are more than 30,000 earthquakes worldwide each year! Earthquakes = shaking of Earth because of a rapid release of energy usually because of movement of tectonic plates Most earthquakes last for
More informationOnce you have opened the website with the link provided choose a force: Earthquakes
Name: Once you have opened the website with the link provided choose a force: Earthquakes When do earthquakes happen? On the upper left menu, choose number 1. Read What is an Earthquake? Earthquakes happen
More informationInternal Layers of the Earth
Lecture #4 notes Geology 3950, Spring 2006; CR Stern Seismic waves, earthquake magnitudes and location, and internal earth structure (pages 28-95 in the 4 th edition and 28-32 and 50-106 in the 5 th edition)
More information