// (,*+*) /,,1,+,/*,*+* 2,1,*+* +* Report on the conference celebrating for,/* Volćan Jorullo s birth in Michoaćan, México Toshiaki H ASENAKA and Izumi Y th OKOYAMA anniversary of (Michoacán) (Jorullo) +1/3 (Paricutin) +3 (Fig + ) A Humboldt,**3 3,3 2/,/* ( +1/3),**3 3,1 : +* (Morelia) Session + : Geologic and tectonic setting of monogenetic : (UNAM) volcanism Chichinautzin monogenetic volcano group, Clustering at Auckland Volcanic Field, Cinder cones in Guatemala, IAVCEI Campi Flegrei caldera,,/* Udo volcano, Jeju Island, Size of cinder cones at Tenerife, Several papers on Jorullo volcano, Ca +01* yrs BP Xitle eruption, Thickness distribution of deposits from Paricutin using a ground penetrating radar, Temporal evolution of magmatic plumbing systems beneath Jorullo and Paricutin, Morphometrical analysis of eroded scoria cones of the HU Schmincke G Orsi Bakony, Hungary, 20* 2///, 3 + +20 ***, + +11 +* Higashi + +11 +* Kunitachi, Tokyo, +20 ***,, Japan Department of Earth Science, Graduate School of Science and Technology, Kumamoto University, Corresponding author: I Yokoyama Kurokami, 3 +, Kumamoto, 20* 2///, Japan email: yokoizu@aoljp
228 Description of Volcán Jorullo by Fray Francisco de Ajofrin, +10 Session : Environmental, biological, and policy aspects Eruptive products at the Earth surface, Soil organic carbon stocks, Chichinautzin, La Huacana s land use scenarios Session / : Volcanic hazards, risk mitigation, and social vulnerability Monitoring and risk evaluation at Colima and Popocatépetl, Fig + Location map of Jorullo and Paricutin M : Ashfall hazard at San Martin volcano, Mexico City, R : Morelia, U : Uruapan, Dashed Evaluation of lava flow susceptibility at Mt Etna, rectangle : MichoacánGuanajuato Volcanic Field, CO, emission from soils at monogenetic volcanic fields, Dotted fields : Mexican Volcanic Belt Cities on volcanic fields, Auckland, Eruptive style of Chichinautzin monogenetic field, TaćambaroPuruaŕan monogenetic volcanic field, Monitoring of El Chichón volcano Use of digital elevation models to estimate total volume Largescale explosive eruptions, Ruapehu, of magma of Paricutin, Lahar hazard of Colima volcano, Sector collapse of scoria cones during the AD +1/3 Morphometric analysis of cinder cones, Tenerife, and Jorullo eruption volcanic risks Session, : Petrological and geochemical aspects of mono Session 0 : The TransMexican Volcanic Belt and subgenetic volcanism duction zone volcanism: Diversity of eruptive styles Hydrogeochemistry of volcanic lakes in Michoacan Impact of the Orozco Fracture Zone on the central MVB Guanajuato Volcanic Field, Magma eruption rates of the TransMexican Volcanic Assimilation coupled to Fractional Crystallization (AFC) Belt (TMVB), at Paricutin, Scaling laws for the frequencysize distribution of the Magma mixing at El Chichon and Popocatépetl, monogenetic volcanism, within the TMVB, Geochemical variation of monogenetic basaltic fields: a A new monogenetic volcanic field in the eastern TMVB case study from Auckland, Os isotope systematics of Jorullo lavas, 3,2 (Some Os isotope evidence for heterogeneous mantle beneath geophysical characteristics of monogenetic volcanism : Jorullo Chichinautzin, and Paricutin) (Coexistence of shield volcanoes A geochemical perspective of monogenetic volcanism, and small cones from the MichoacanGuanajuato volcanic SrNdPb isotope of Jorullo volcano: crustal contamina field : their distribution, age, magma output rate, and comtion versus subduction signatures, position of magmas) +* + What do we know about Jorullo s basement? (Nature of particle types formed during Session : Tying the historic with the geologic record the violent Strombolian explosive eruption of Jorullo volcano) (tephra studies) Evolution of the Jorullo group eruption ( +1/3 +11 ), : Popocatépetl s 3/* yr BP eruption, Rowland, SK, JuradoChichay, Z, Ernst, G and Walker Evaluating tephrochronology in the Auckland Volcanic GPL ( ) Pyroclastic deposits and lava flows from the Field, +1/3 +11 eruption of El Jorullo, México : aspects of vio The ca +,/ yr BP Asosoca Tephra, NejapaMiraflores lent Strombolian activity and comparison with Parícutin Fault, Nicaragua, Studies in Volcanology, Special Publication of IAVCEI,, Tephrochronological reconstruction of eruptive history +*/ +,2 of Vulcano Island,,**3
,/* 229 Fig, Jorullo volcano, an aerial photo viewed from Fig A group photo at the western rim of Jorullo the east Photo taken Dec +/,,**2 (from the crater The background is lava field at the western guide book for the Meeting) The foreground is foot of the volcano The front center is Prof C the eastern lava flows Pil : La Pilita cone (volcan Siebe ic), Pho : The location of a group photo (Fig ),**,/* Mata de Plátano 3,3 +/* km (Fig /) Mata de Plátano /* m +*, Fig, 3 * +* +, ++* km Fig (Uruapan),/* San Juan +* m San Juan +* m +30 UNAM,* km Nuevo San Juan USGS USGS Bull 30/ ( +3/* ) Plate 1 +2* 3 A von Humboldt +*,* km Angahuan L von Buch +2+3 Crater of Elevation 0 A Bonpland (Humboldt ++ and Bonpland, +2+*, Vues des Cordilleres) Bonpland Hornito Fig (a) Fig (b) ( ) Fig (a),
230 Fig / Gran mariache fiesta on Sep,3,,**3 at Mata de Plátano, southeastern foot of Jorullo + ),,, BP,/* Xitle, Mexico City : Libby ( +3/, ) +* km, 1, km Martin Del Pozzo,) +**,, +**1 +**2 (Jeju Is) : /* (,***) Brenna (New Zealand) Udo ) +/2 Monte Nuovo Campi Flegrei Italy : * */ km Pyroclastic density currents Di Vito (Italy) ) +1+3 +1,+ : * km Fig Hornitos as described by Humboldt vs those * km,/ km + observed in the field (from the guide book) a) ++ km DRE Lithography of Jorullo and hornitos in Vues des /) +1/3 +100 Jorullo:, km DRE Cordilleres (Humboldt and Bonpland, +2+* ) b) Siebe (UNAM) The main cone of Jorullo seen from the west with Schmincke, two typical, to m high hornitos in the foreground CP : Cerro Partido, a preexisting ridge surrounded by Jorullo s lava flows Photo taken 0 ) +3 +3/, Paricutin : +3 km DRE June,*,,**1 (from the guide book for the Meeting) 1) +3 +3 Waiowa (Goropu Mountains, Papua) : Port Moresby,+* km +3 +,,1 / km Jorullo Paricutin +3 2 + Port Moresby (Baker, +30) 2 ) +3* +323 : +3*
,/* 231 +323 period December, +3, to August, +3 J Geology, /, +3+ Guilbaud, MN, Siebe, C and Salinas, S (,**3) Excursions to Paricutin and Jorullo (Michoacán), the youngest volcanoes of the TransMixican Volcanic Belt pp + (,***), + 1 Libby, WF ( +3/, ) Radiocarbon dating The Univ Chicago Press Determ No,**, pp 3+ Jorullo Paricutin Guilbaud (,**3) C Siebe (UNAM) Prof C Siebe Paricutin,/* Jorullo Baker, G ( +30) Preliminary note on volcanic eruption in the Goropu Mountains, southeastern Papua, during the