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VOLCANO SINABUNG ON NORTH SUMATRA, INDONESIA ERUPTS November 3, 2013

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Presentation on theme: "VOLCANO SINABUNG ON NORTH SUMATRA, INDONESIA ERUPTS November 3, 2013"— Presentation transcript:

1 VOLCANO SINABUNG ON NORTH SUMATRA, INDONESIA ERUPTS November 3, 2013
lecture by Walter Hays Uploading date: November 06, 2013 More lectures at Disasters Supercourse -  PPT original - Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA 

2 MOUNT SINABUNG: NOV. 3, 2013

3 UNTIL AUGUST, 2010, SINABUNG HAD BEEN INACTIVE FOR 400 YEARS
The August eruption led to an evacuation of 30,000 people

4 SEPTEMBER 2013 ERUPTION An eruption in September 2013 also prompted an evacuation--- about 3,500 villagers lining within 3 km of the volcano.

5 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.

6 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.

7 INDONESIAN AUTHORITIES HAVE NOW INCREASED THE ALERT LEVEL

8 UNDERSTANDING EXPLOSIVE VOLCANOES

9 INDONESIA

10 INDONESIA’S VOLCANOES

11 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

12 542 OF THE 1,500 ACTIVE VOLCANOES ARE LOCATED IN “RING OF FIRE”

13 VOLCANO HAZARDS CAN HAVE FAR REACHING IMPACTS
VERTICAL PLUME (can affect jet aircraft) ASH AND TEPHRA LATERAL BLAST PYROCLASTIC CLOUDS, BURSTS, AND FLOWS

14 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)

15 LATERAL BLAST PYROCLASTIC FLOWS FLYING DEBRIS VOLCANIC ASH LAVA FLOWS
CAUSES OF RISK LATERAL BLAST PYROCLASTIC FLOWS FLYING DEBRIS VOLCANIC ERUPTIONS VOLCANIC ASH LAVA FLOWS CASE HISTORIES LAHARS TOXIC GASES

16 GOAL: VOLCANO DISASTER RESILIENCE
VOLCANO HAZARDS PEOPLE & BLDGS. VULNERABILITY LOCATION VOLCANO RISK ACCEPTABLE RISK UNACCEPTABLE RISK RISK GOAL: VOLCANO DISASTER RESILIENCE INDONESIA’S COMMUNITIES DATA BASES AND INFORMATION PREPAREDNESS PROTECTION EARLY WARNING EMERGENCY RESPONSE RECOVERY and RECONSTRUCTION POLICY OPTIONS HAZARDS: GROUND SHAKING GROUND FAILURE SURFACE FAULTING TECTONIC DEFORMATION TSUNAMI RUN UP AFTERSHOCKS

17 TOWARDS DISASTER RISK REDUCTION FOR VOLCANOES
RISK ASSESSMENT VULNERABILITY EXPOSURE EVENT POLICY ASSESSMENT COST BENEFIT CONSEQUENCES VOLCANIC ERUPTIONS EXPECTED LOSS POLICY ADOPTION

18 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

19 MONITORING TECHNOLOGIES AND WARNING SYSTEMS ARE A VITAL PART OF BECOMING RESILIENT

20 AIR AND LAND MONITORING TECHNOLOGIES ARE VITAL
.

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