ICELAND’S VOLCANO HEKLA ABOUT TO ERUPT MARCH 17, 2014 Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA.

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Presentation transcript:

ICELAND’S VOLCANO HEKLA ABOUT TO ERUPT MARCH 17, 2014 Walter Hays, Global Alliance for Disaster Reduction, Vienna, Virginia, USA

ICELAND A LAND OF FIRE (VOLCANOES) AND ICE

Iceland lies on the Mid-Atlantic Ridge, the highly volatile divergent boundary between the Eurasian and North American tectonic plates that is marked by earthquakes and volcanic eruptions.

LOCATION MAP

ICELAND AND PLATE TECTONICS

GRIMSVOTN: ICELAND’S MOST ACTIVE VOLCANO

The Eyjafjallajökull Volcano in Southern Iceland

VOLCANO HEKLA

HEKLA’S LAST ERUPTION: FEBRUARY 26, 2000

OTHER PAST NOTABLE ERUPTIONS

ICELAND’S GRIMSVOTN ERUPTS SATURDAY, MAY 21, 2011

GRIMSVOTN Iceland's most active volcano, Grimsvotn, located at the heart of its biggest glacier Vatnajoekull, started to spew smoke and lava late on Saturday.

THE ASH PLUME FROM GRIMS- VOTN REACHED 20 KM (12 MI)

AIR TRAVEL AFFECTED The ash plume, which was more than twice the height of last year’ eruption of EYJAFJOELL, led to the establishment of “no fly zone” of 220 km (120 mi) in all directions around the summit, leaving planes grounded and closing airspace across Iceland.

EYJAFJOELL’S ASH PLUME ONLY REACHED 9 KM (5.6 MI)

BUT, EYJAFJOELL’S IMMEDIATE IMPACT ON AIR TRAVEL WAS WORSE In 2010, EYJAFJOELL’s vertical ash plume, which, unlike Grimsvotn’s, was comprised of very fine silica ash, shut down large portions of European airspace for almost a month, and forced 600 people to evacuate from their homes.

Eyjafjallajökull: UNDER A GLACIER; MARCH 27, 2010

EYJAFJALLAJOEKULL: VOLCANO UNDER A GLACIER

HEAVY FLOODING: APRIL 14, 2010

HEAVY FLOODING LOCALLY: APRIL 14, 2010

HEAVY FLOODING WASHES OUT ROAD: APRIL 14, 2010

(DARK) ASH CLOUD OVER ICELAND: APRIL 15, 2010

ASH CLOUD FROM APRIL 14 ERIPTION

A dark and spectacular volcanic cloud spread over Britain and toward continental Europe on Thursday, April 15, forcing airlines to cancel thousands of flights as it drifted at high altitude south and east from the continuing eruption in Iceland.

The ash cloud, made up of minute particles of silicate that can severely damage jet engines, left airplanes stranded on the tarmac at some of the world’s busiest airports.

MAP OF AIRPORTS CANCELLING FLIGHTS: APRIL 15, 2010

THE ERUPTION CONTINUES: ICELAND; APRIL 17, 2010

STEAM AND ASH CLOUD: APRIL 18, 2010

“DIRTY THUNDERSTORM” APRIL 17, 2010

APRIL 19: Eyjafjallajökull was still erupting.