Transcript MOUNT ETNA ERUPTS AGAIN

MOUNT ETNA ERUPTS AGAIN
February 19, 2013
Walter Hays, Global Alliance for
Disaster Reduction, Vienna,
Virginia, USA
Mount Etna emits lava flow
in the early hours of
February 19, 2013
MOUNT ETNA EMITS LAVA:
FEB. 19, 2013
MOUNT ETNA
 Mount Etna is the result of convergence
between the African and Eurasian
Plates.
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.
Mount Etna, one of the most
active volcanoes in the world,
has been in an almost constant
state of activity for years.
MOUNT ETNA: 2008
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.
LOCATIONS OF DANGEROUS
VOLCANOES
VOLCANO RISK
•VOLCANO HAZARDS
•BLDG. INVENTORY
•VULNERABILITY
•LOCATION
ACCEPTABLE RISK
RISK
UNACCEPTABLE RISK
GOAL: VOLCANO
DISASTER RESILIENCE
DATA BASES
AND INFORMATION
COMMUNITIES
POLICY OPTIONS
HAZARDS:
GROUND SHAKING
GROUND FAILURE
SURFACE FAULTING
TECTONIC DEFORMATION
TSUNAMI RUN UP
AFTERSHOCKS
• PREPAREDNESS
•PROTECTION
•EARLY WARNING
•EMERGENCY RESPONSE
•RECOVERY and
RECONSTRUCTION
CAUSES
OF RISK
LATERAL BLAST
PYROCLASTIC FLOWS
FLYING DEBRIS
VOLCANIC
ERUPTIONS
CASE HISTORIES
VOLCANIC ASH
LAVA FLOWS
LAHARS
TOXIC GASES
VOLCANO CHAITEN: CHILE;
MAY 3, 2008
MOUNT MERAPI: INDONESIA
INDONESIA’S MOUNT MERAPI
ERUPTS ON MAY 15, 2006
• Mount Merapi
emitted lava,
debris, and a
pyroclastic
flow or cloud
on May 15
MOUNT SOMMA-VESUVIUS
• Location: Bay
Naples, east of
the city of
Naples, Italy
MDA Federal’s NaturalVue 2000. 6011 Executive Blvd, Suite 400,
Rockville, Md, 20852
http://en.wikipedia.org/wiki/Image:Naplesbay01.jpg
MOUNT VESUVIUS: ITALY
MOUNT FUJI: JAPAN
NEVADA DEL RUIZ:
COLOMBIA
MOUNT RAINIER:
WASHINGTON (USA)
MOUNT RAINIER: LAHAR
SIMULATION
MOUNT RAINIER: LAHAR
SIMULATION
MOUNT RAINIER: LAHAR
SIMULATION
POPOCATEPL: MEXICO
NYIRANGONGO: DEMOCRATIC
REPUBLIC OF CONGO
Mt. St. Helens – prior
to the 1980 eruption
Mt. St. Helens (after
the 1980 eruption)
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
SHOULD WE BE THINKING ABOUT
ANOTHER KRAKATOA
ERUPTION
?
!
Krakatoa: Pre-1883 Eruption
Anak Krakatoa—Son of Krakatoa