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Ash Cloud from Puyehue-Cordón Caulle Extending Out Over Atlantic

43.7S 64.5W

October 19th, 2011 Category: Volcanoes

Chile and Argentina - October 17th, 2011

Chile’s Puyehue-Cordón Caulle volcano is creating ash clouds again that have led to the cancellation of at least 100 flights in Argentina and, to a lesser extent, cancellations in Chile, Paraguay and Uruguay.

The volcano first erupted on June 4 and has been periodically letting off ash clouds ever since. The latest ash cloud emerged from the volcano on Saturday, October 15th (click here for an image from that date). Here, the ash can be seen extending eastward over the Atlantic Ocean.

Aftershocks from the volcanic event were felt strongly in Buenos Aires causing the city to go dark in the afternoon of Oct. 15 and cause travel advisories to be released by the highway patrol on routes 2, 8, 12 and 33.

Flights are being cancelled due to the fact that the volcanic ashes could cause airplane malfunctioning if the ashes were to clog the jet engines. Buenos Aires’ Aeroparque wasn’t operational after midday Oct. 16 and delays occurred at Ezeiza leaving thousands stranded. The re-appearance of ash closed the route to the international airport of San Carlos de Bariloche.


Chile’s Puyehue-Cordón Caulle Volcano Releases Ash Once Again – October 18th, 2011

40.6S 72.5W

October 18th, 2011 Category: Image of the day, Volcanoes

Chile and Argentina - October 15th, 2011

Chile’s Puyehue-Cordón Caulle volcano acted up again this week releasing a cloud of ash that spread across Chile and over Argentina. In the lower half of this image, a whitish ash cloud can be seen fanning out from the volcano.

In the upper half of the image, some tan-colored ash can be seen hangin over the province of Buenos Aires, between Bahía Blanca and the city of Buenos Aires (upper right corner, appearing as a greyish-tan area on the shores of the brown, sediment-laden Rio de la Plata Estuary).

Ash Plume from Mount Etna – August 21st, 2011

37.7N 14.9E

August 21st, 2011 Category: Image of the day, Volcanoes

Italy - August 13th, 2011

Mount Etna, a volcano on the Italian island of Sicily, has being having short, violent bursts of activity known as paroxysms throughout the year. Each paroxysm has included volcanic tremors, emissions of ash and lava flows, all concentrated around the New Southeast Crater, which is located just below the volcano’s summit.

Etna’s tenth paroxysm of 2011 occurred on August 12th, as reported by NASA. This image shows the volcano the day after the event, still releasing a white plume of gas and ash to the southeast, towards the nearby city of Catania. Like the other events, the activity began at the New Southeast Crater. This time, fountaining of lava produced the ash plume, which was estimated to have reached an altitude of 14,000 feet (4,300 meters); 2,000 feet (600 meters) above the 10,925-foot (3,330-meter) summit.

Mount Pico in Azores Archipelago

38.4N 28.3W

August 9th, 2011 Category: Volcanoes

Azores - July 25th, 2011

This orthorectified wide-swath ASAR image shows several of the nine volcanic islands that make up the Azores archipelago, an autonomous region of Portugal, located in the middle of the northern hemisphere of the Atlantic Ocean.

The thumbnail image shows São Jorge, the long, thin island in the center, surrounded by Graciosa, Terceira, Pico and Faial (clockwise from top). Upon opening the full image, the island of São Miguel can be observed near the right edge.

Of particular interest is Mount Pico, a stratovolcano and the highest point on Pico Island in the Azores. It reaches an altitude of 2,351 meters (7,713 ft) above sea level, which makes it the highest point in Portugal and also in the Mid-Atlantic Ridge. Pico is more than twice the elevation of any other peak in the Azores.

Mount Etna, Europe’s Most Active Volcano, Spews Ash and Lava

37.7N 14.9E

January 14th, 2011 Category: Volcanoes

Mount Etna, Italy - December 11th and 14th, 2011

Mount Etna, Italy - December 11th, 2011

Mount Etna, Italy - December 11th, 2011

Mount Etna, Italy - December 14th, 2011

Mount Etna, Italy - December 14th, 2011

Italy’s Mount Etna has come back to life with a brief eruption that sent lava down its slopes and a cloud of ash into the sky, forcing the overnight closure of a nearby airport.

The volcanology institute in Catania, eastern Sicily, said Thursday that a two-hour eruption overnight sent a little stream of lava down the eastern slope of the mountain.

The volcano, Europe’s tallest and most active, erupts regularly but usually causes little damage.

Mount Etna’s last major eruption was in 1992.

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