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Fotos al azar
viernes, jun 08, 2012
Se ha detectado un enjambre de terremoto con posiblemente cientos de pequeños terremotos en Chile San Pedro-Pellado (o Tatara-San Pedro) volcán. No muchos detalles acerca de esta actividad están disponibles y los informes están en partes contradictorios, como señala el Blog de erupciones que esto trajo a nuestra atención. ... [Leer más]
 

San Pedro-Pellado volcano

estratovolcán 3621 m / 11,880 ft
Centro de Chile y Argentina, América del sur, -35.99°S / -70.85°W
Current status: normal or dormant (1 out of 5) | Reports
San Pedro-Pellado volcano books
Last update: 29 ene 2013 (seismic swarm)
Typical eruption style: explosive
Erupciones del volcán San Pedro-Pellado: unknownNo hay terremotos recientes
Fecha / HoraRevista / ProfundidadDistanciaUbicación
San Pedro-Pellado volcano (also known as San Pedro-Tatara) and is a stratovolcanoe in central Chile, located within the 6 x 12 km Río Colorado caldera.
San Pedro stratovolcano has a glacier-filled crater and fumaroles on the SE side of Pellado volcano, an older, eroded predecessor volcano. San Pedro overlies a basal shield of basalt flows. The most recent activity built a young scoria cone some time during the past 10,000 years, but there are no historical eruptions.

Note: there is a volcano with a similar name "San Pedro" in Chile.

Background:

The San Pedro-Pellado volcanic complex has been active since about 5 million years ago. It overlies the deeply eroded Pellado stratovolcano; both were constructed within the 6 x 12 km Río Colorado caldera. The caldera formed during a large explosive eruption about 0.5 million years ago.
The Tatara basaltic-andesite shield volcano at the western end of the complex contains up to 100 or more lava flows reaching a total thickness of up to 1500 m.
The dominantly andesitic San Pedro stratovolcano overlies the Tatara edifice.
A major Holocene east-flank debris avalanche filled the Río de la Puente valley to the south and was followed by eruptions from within the avalanche scarp low on the east flank. It produced lava flows down the Estero Pellado drainage.
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Source: GVP

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