november 3, 2013 volcano sinabung on north sumatra, indonesia erupts
TRANSCRIPT
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MOUNT SINABUNG: NOV. 3, 2013
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VOLCANO SINABUNG ON NORTH SUMATRA,
INDONESIA ERUPTSNovember 3, 2013
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MOUNT SINABUNG: NOV. 3, 2013
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UNTIL AUGUST, 2010, SINABUNG HAD BEEN
INACTIVE FOR 400 YEARS
The August eruption led to an evacuation of 30,000 people
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SEPTEMBER 2013 ERUPTION
• An eruption in September 2013 also prompted an evacuation--- about 3,500 villagers lining within 3 km of the volcano.
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OCTOBER 2013 ERUPTION
• Another eruption on October 24th also prompted an evacuation of about 3,500 villagers lining within 2-3 km of the volcano.
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WHAT HAPPENED NOVEMBER 3RD
• The 8,530-foot-high mountain erupted early on Sunday, November 3rd, sending a vertical ash plume 7,000 feet into the air.
• This eruption prompted an evacuation of 1,500 people living within 3 km of the volcano.
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INDONESIAN AUTHORITIES HAVE NOW INCREASED
THE ALERT LEVEL
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UNDERSTANDING EXPLOSIVE VOLCANOES
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INDONESIA
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INDONESIA’S VOLCANOES
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VOLCANOES
PART OF THE PACIFIC “RING OF FIRE,” INDONESIA HAS 127 ACTIVE VOLCANOES AS A RESULT OF COMPLEX SUBDUCTION
OF THE INDO-AUSTRALIA AND EURASIATECTONIC PLATES
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542 OF THE 1,500 ACTIVE VOLCANOES ARE LOCATED IN “RING OF FIRE”
542 OF THE 1,500 ACTIVE VOLCANOES ARE LOCATED IN “RING OF FIRE”
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VOLCANO HAZARDS CAN HAVE FAR REACHING IMPACTS
• VERTICAL PLUME (can affect jet aircraft)
• ASH AND TEPHRA• LATERAL BLAST• PYROCLASTIC CLOUDS,
BURSTS, AND FLOWS
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VOLCANO HAZARDS CAN HAVE FAR REACHING IMPACTS
• LAVA FLOWS• LAHARS (can bury villages)• EARTHQUAKES (related to
movement of lava)• “VOLCANIC WINTER” (causing
famine and mass extinctions)
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LATERAL BLAST
VOLCANIC
ERUPTIONS
VOLCANIC
ERUPTIONS
PYROCLASTIC FLOWS
FLYING DEBRIS
VOLCANIC ASH
LAVA FLOWS
LAHARS
TOXIC GASES
CAUSES OF RISK
CAUSES OF RISK
CASE HISTORIESCASE HISTORIES
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INDONESIA’S
COMMUNITIES
INDONESIA’S
COMMUNITIESDATA BASES AND INFORMATIONDATA BASES AND INFORMATION
HAZARDS: GROUND SHAKING GROUND FAILURE SURFACE FAULTING TECTONIC DEFORMATION TSUNAMI RUN UP AFTERSHOCKS
• VOLCANO HAZARDS
• PEOPLE & BLDGS. • VULNERABILITY• LOCATION
VOLCANO RISK
RISK
ACCEPTABLE RISK
UNACCEPTABLE RISK
GOAL: VOLCANO DISASTER RESILIENCE
• PREPAREDNESS• PROTECTION• EARLY WARNING• EMERGENCY RESPONSE• RECOVERY and RECONSTRUCTION
POLICY OPTIONS
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POLICY ADOPTION
POLICY ADOPTION
RISK ASSESSMENT
• VULNERABILITY
• EXPOSURE
• EVENT
POLICY ASSESSMENT
• COST
• BENEFIT
• CONSEQUENCES
TOWARDS DISASTER RISK REDUCTION FOR VOLCANOES
VOLCANIC ERUPTIONS
VOLCANIC ERUPTIONS EXPECTED
LOSS
EXPECTED LOSS
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THE KEYS TO RESILIENCE: 1) KNOW THE ERUPTIVE HISTORY OF
YOUR REGION’S VOLCANOES,2) BE PREPARED
3) HAVE A WARNING SYSTEM 4) EVACUATE
5) LEARN FROM THE EXPERIENCE AND START OVER
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MONITORING TECHNOLOGIES AND WARNING SYSTEMS ARE A VITAL PART OF BECOMING
RESILIENT
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AIR AND LAND MONITORING TECHNOLOGIES ARE VITAL
.