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ETNA VOLCANO

 

  Country: Italy
Volcano number: 0101-06
Summit Elevation: 3315 m 10,991 feet
Latitude: 37░73'N
Longitude: 15░00'E
Last eruption: 2006
VolcanoType: Stratovolcanoes
 


Geological summary


Etna volcano, towering above Catania, Sicily's second largest city, has one of the world's longest documented records of historical volcanism, dating back to 1500 BC. Historical lava flows of basaltic composition cover much of the surface of this massive volcano, whose edifice is the highest and most voluminous in Italy. The Mongibello stratovolcano, truncated by several small calderas, was constructed during the late Pleistocene and Holocene over an older shield volcano. The most prominent morphological feature of Etna is the Valle del Bove, a 5 x 10 km horseshoe-shaped caldera open to the east. Two styles of eruptive activity typically occur at Etna. Persistent explosive eruptions, sometimes with minor lava emissions, take place from one or more of the three prominent summit craters, the Central Crater, NE Crater, and SE Crater (the latter formed in 1978). Flank vents, typically with higher effusion rates, are less frequently active and originate from fissures that open progressively downward from near the summit (usually accompanied by strombolian eruptions at the upper end). Cinder cones are commonly constructed over the vents of lower-flank lava flows. Lava flows extend to the foot of the volcano on all sides and have reached the sea over a broad area on the SE flank.

 


Main Eruptions
 

Period: 1600-1900 (Under Costruction)

Period: 1900-2000 (Under Costruction)

Period: 2000-2009 (Under Costruction)


2007
A summit eruption that occurred at Etna on 29 April began with an increase in
volcanic tremor and was followed by lava fountaining and a vertical ash plume.
Lava flows traveled E within the Valle del Bove. The INGV-CT monitoring web
cameras showed that the eruption lasted about 8-9 hours.

Source: Istituto Nazionale di Geofisica e Vulcanologia Sezione di Catania
http://www.ct.ingv.it/

 

 


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