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Wednesday, Jan 04, 2012
Buenos Aires VAAC reported a pilot observing an ash plume from Callaqui at 3 km (10,000 ft) a.s.l. on 2 January. No ash could be detected on satellite images without cloud cover and it is likely that the observation was strong fumarolic activity rather than an actual eruption. [more]
Thursday, Feb 21, 2008
Scientists from the Universidad de Concepción will install instruments to monitor Callaqui volcano. Local residents reported feeling earthquakes and hearing constant rumbling noises during the previous few weeks. A new eruption in near future is possible. [more]
 

Callaqui volcano

stratovolcano 3164 m / 10,380 ft
Central Chile and Argentina, South America, -37.92°S / -71.45°W
Current status: dormant (1 out of 5)
Callaqui volcano books
Last update: 22 May 2012 (vigorous fumarolic activity)
Typical eruption style: explosive (phreatic), effusive
Callaqui volcano eruptions: 1980, 1937 (?), 1864 (?), 1751 No recent earthquakes
TimeMag. / DepthDistanceLocation
Ice-capped Callaqui volcano is an elongated basaltic-andesite stratovolcano in central Chile Volcano. It has had a few small explosive eruptions in historic time, and it is known for its intense fumarolic activity.

Background:

Callaqui stratovolcano has a profile of an overturned canoe, because it has been constructed along an 11-km-long, SW-NE fissure above a 1.2-0.3 million year old Pleistocene edifice.
Callaqui volcano contains well-preserved volcanic cones and lava flows, which have traveled up to 14 km. Small craters 100-500 m in diameter are primarily found along a fissure extending down the SW flank.
Intense solfataric activity occurs at the southern part of the summit; in 1966 and 1978, red glow was observed in fumarolic areas. Periods of intense fumarolic activity have dominated at Callaqui, and few historical eruptions are known. An explosive eruption was reported in 1751, there were uncertain accounts of eruptions in 1864 and 1937, and a small phreatic ash emission was noted in 1980.


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