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Callaqui volcano

Updated: Jul 4, 2022 05:48 GMT - Refresh
stratovolcano 3164 m / 10,380 ft
Central Chile and Argentina (South America), -37.92°S / -71.45°W
Current status: normal or dormant (1 out of 5)
Last update: 3 Feb 2022 (Smithsonian / USGS Weekly Volcanic Activity Report)

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.

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Typical eruption style: explosive (phreatic), effusive
Callaqui volcano eruptions: 1980, 1937 (?), 1864 (?), 1751
Lastest nearby earthquakes: No recent earthquakes

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.


See also: Sentinel hub | Landsat 8 | NASA FIRMS
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