San Pedro volcan
stratovolcan 6145 m / 20,161 ft
Chile / Argentine (nord) + Bolivie, South America, -21.88°S / -68.4°W
Condition actuelle: normal / en sommeil (1 sur 5) | Reports
San Pedro livres
Chile / Argentine (nord) + Bolivie, South America, -21.88°S / -68.4°W
Condition actuelle: normal / en sommeil (1 sur 5) | Reports
San Pedro livres
Style éruptif tipique: explosive and effusive
Eruptions du volcan San Pedro: 1960(?), 1938, 1923(?), 1917(?), 1916(?), 1911, 1901, 1891(?), 1877(?), 1870(?)
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Eruptions du volcan San Pedro: 1960(?), 1938, 1923(?), 1917(?), 1916(?), 1911, 1901, 1891(?), 1877(?), 1870(?)
| Heure | Mag. / Depth | Distance | Location |
| Thu, 15 Aug 2019 | |||
| Thu, 15 Aug 23:28 UTC | M 2.9 / 138.2 km | 17 km | 74 km al NE de Calama (Chile) |
| Thu, 8 Aug 2019 | |||
| Thu, 8 Aug 02:06 UTC | M 2.5 / 125.7 km | 25 km | 67 km al NE de Calama (Chile) |
| Sat, 3 Aug 2019 | |||
| Sat, 3 Aug 10:03 UTC | M 3.0 / 128 km | 13 km | Antofagasta, Chile |
| Tue, 30 Jul 2019 | |||
| Tue, 30 Jul 00:44 UTC | M 2.9 / 122.1 km | 24 km | 65 km al NE de Calama (Chile) |
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:
 Les volcans Atitlán, Toliman et San Pedro (Photo: Tom Pfeiffer) |  Matin au bord du Lac Atitlán avec le fond des volcans Atitlán, Toliman et San Pedro (Photo: Tom Pfeiffer) |  Lever du soleil au dessus du Lac Atitlán avec les volcans Atitlán, Toliman et San Pedro (Photo: Tom Pfeiffer) |
 Wonderful electric wiring in Santiago Atitlán (San Pedro volcano in the background)... (Photo: Tom Pfeiffer) |  Le sommet du San Pedro dans la première lumière (Photo: Tom Pfeiffer) |  Vue sur le Lac Atitlán vers les volcans Atitlán, Toliman et San Pedro (Photo: Tom Pfeiffer) |
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