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MOUNT ETNA ERUPTS AGAIN February 19, 2013 Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA.

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Presentation on theme: "MOUNT ETNA ERUPTS AGAIN February 19, 2013 Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA."— Presentation transcript:

1 MOUNT ETNA ERUPTS AGAIN February 19, 2013 Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA

2 Mount Etna emits lava flow in the early hours of February 19, 2013

3 MOUNT ETNA EMITS LAVA: FEB. 19, 2013

4 MOUNT ETNA  Mount Etna is the result of convergence between the African and Eurasian Plates.

5 MOUNT ETNA  Mount Etna, an active stratovolcano on the east coast of Sicily and the tallest active volcano in Europe at 3,329 m (10,922 ft), is close to Messina and Catania.

6 Mount Etna, one of the most active volcanoes in the world, has been in an almost constant state of activity for years.

7 MOUNT ETNA: 2008

8 ETNA: ONE OF WORLD’S DANGEROUS VOLCANOES A major eruption of Etna and other volcanoes close to major population centers would be devastating to people, property, infrastructure, the environment, and the global economy.

9 LOCATIONS OF DANGEROUS VOLCANOES

10 COMMUNITIESCOMMUNITIES DATA BASES AND INFORMATION HAZARDS: GROUND SHAKING GROUND FAILURE SURFACE FAULTING TECTONIC DEFORMATION TSUNAMI RUN UP AFTERSHOCKS VOLCANO HAZARDS BLDG. INVENTORY VULNERABILITY LOCATION VOLCANO RISK RISK ACCEPTABLE RISK UNACCEPTABLE RISK GOAL: VOLCANO DISASTER RESILIENCE PREPAREDNESS PROTECTION EARLY WARNING EMERGENCY RESPONSE RECOVERY and RECONSTRUCTION POLICY OPTIONS

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

12 VOLCANO CHAITEN: CHILE; MAY 3, 2008

13 MOUNT MERAPI: INDONESIA

14 INDONESIA’S MOUNT MERAPI ERUPTS ON MAY 15, 2006 Mount Merapi emitted lava, debris, and a pyroclastic flow or cloud on May 15

15 MOUNT SOMMA-VESUVIUS Location: Bay Naples, east of the city of Naples, Italy http://en.wikipedia.org/wiki/Image:Naplesbay01.jpg MDA Federal’s NaturalVue 2000. 6011 Executive Blvd, Suite 400, Rockville, Md, 20852

16 MOUNT VESUVIUS: ITALY

17 MOUNT FUJI: JAPAN

18 NEVADA DEL RUIZ: COLOMBIA

19 MOUNT RAINIER: WASHINGTON (USA)

20 MOUNT RAINIER: LAHAR SIMULATION

21

22

23 POPOCATEPL: MEXICO

24 NYIRANGONGO: DEMOCRATIC REPUBLIC OF CONGO

25 Mt. St. Helens – prior to the 1980 eruption

26 Mt. St. Helens (after the 1980 eruption)

27 Krakatau Location: between Java and Sumatra Date: 26-27 August, 1883 Time: 2610:02 am (GMT)-The big one! http://www.geology.sdsu.edu/how_volcanoes_work/Krakatau.html

28 SHOULD WE BE THINKING ABOUT ANOTHER KRAKATOA ERUPTION ? ! Krakatoa: Pre-1883 Eruption Anak Krakatoa—Son of Krakatoa

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