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San Pedro volcanstratovolcan 6145 m / 20,161 ft
Chile / Argentine (nord) + Bolivie, South America, -21.88°S / -68.4°W Condition actuelle: en sommeil (1 sur 5)
Style éruptif tipique: explosive and effusive
Eruptions du volcan San Pedro: 1960(?), 1938, 1923(?), 1917(?), 1916(?), 1911, 1901, 1891(?), 1877(?), 1870(?) San Pedro photos du volcan Derniers séismes proches:
San Pedro volcano is a twin volcano with 2 peaks, San Pedro (the western summit) and the older sister volcano San Pablo (6092 m) in the east. A large debris avalanche, similar to the one at Mt St Helend in 1980, occurred at San Pedro in the past, and the present-day cone grew within the depression. The debris avalanche deposit is visible on the western lower slopes of San Pedro. Thick dacitic lava flows with steep-sided fronts cover the upper slopes of San Pedro's cone which has a crater. There is a young-looking scoria cone on the western flank (La Poruña), which erupted an 8 km-long lava flow about 103,000 years ago. Reports of varying degrees of reliability have recorded a number of eruptions in the past centuries. Note: a volcano with the same name is at Lake Atitlán in the Guatemalan Highlands, forming the prominent group of San Pedro, Tolimán, and Atitlán volcanoes. San Pedro Photos:
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