Kadovar Eruption: Multi-Hazard Monitoring and Response

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1 2018/SOM1/EPWG/016 Agenda Item: Kadovar Eruption: Multi-Hazard Monitoring and Response Purpose: Information Submitted by: Papua New Guinea 13 th Emergency Preparedness Working Group Meeting Port Moresby, Papua New Guinea February 2018

2 Kadovar Eruption: Multi-Hazard Monitoring and Response Courtesy of B. Buser Kadovar Volcano Eruption: Multi-hazard Challenges and Disaster Response

3 Volcanoes and Papua New Guinea

4 Background Kadovar Volcano Explorers witnessed possible Kadovar eruption in 1700s Known volcanic unrest: 1900s; ; 2015 Seafloor diameter km Height: 1500m; Summit at 365 m als Home to over 600 people No instrument monitoring or observers on island before eruption

5 Few weeks of increased seismicity before January 5 eruption Residents self-evacuated to neighboring Ruprup Island before eruption due to increased seismic activity Eruption began with moderate explosions from summit vents producing ash clouds rising 600 to 800m. Official word of eruption received on 6 January Initial Activity

6 Recent Activity Lava surfaced SE of island on January 11 th Lava dome grew and then collapsed, disappeared completely on February 9 th following strong explosions. Activity has declined but continuous low level volcano seismicity and lava dome growth demonstrate activity is continuing Courtesy of B. Buser

7 Volcanic Multi-Hazards Ashfall Areas downwind of Kadovar Aviation flight routes and airports (Wewak) Collapse & Tsunamis Potential tsunamis on island, neighboring islands and coastlines along the mainland Hazards on the island included: Pyroclastic flows Volcanic bombs Lava flows Landslides & Mudflows Volcanic gases Darwin Volcanic Ash Advisory Center

8 Challenges Funding constraints delayed rapid set up of instruments & on-site monitoring Social media rumors of new eruptions; other misinformation Bad weather/rough seas hampered field work Need for long-term costeffective real-time monitoring of volcano

9 RESPONSE TO KADOVAR VOLCANO DISASTER Islanders self-evacuated to neighbouring Ruprup island across 12 km of sea Coordination by Ward Councillors Ruprup residents took in displaced and provided immediate assistance Government, non-government and private sector responded with immediate assistance Challenges due to distance of Ruprup from mainland; weather conditions Coordinating system established by provincial government, including Emergency Operations Centre Additional support sent from Port Moresby

10 Decision to Evacuate to Mainland Decision to evacuate residents to mainland due to severity of eruption and uncertainty on length of event Extensive consultation held by officials With affected population on need for relocation With land owners at relocation site

11 Dandana Sea Evacuation 105 Km

12 Challenges Land issues ownership and availability Communication Infrastructure Gap in understanding of warmings & misinformation Capacity to concurrently monitor multiple hazards Longer term support transition to recovery, resettlement However, is displacement temporary or permanent? Decision making complicated by need to consider multiple hazards and social factors

13 Kadovar Eruption: Multi- Hazard Warning and Response Courtesy of B. Buser Thank you. Kadovar Volcano Eruption: Multi-hazard Challenges and Questions welcome Disaster Response

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