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Fotos al azar

Tuesday, Feb 11, 2014
Un pequeño terremoto enjambre a profundidades someras (5 km) se produjo al este de Mammoth Mountain durante la semana pasada. El terremoto más grande fue un evento de magnitud 3.0 en 5 Feb. ... [Leer más]
Map of recent quakes near Mammoth Mountain
Sunday, Feb 03, 2013
Pequeños terremotos siguen abajo y (sobre todo) inmediatamente el SE de Mammoth Mountain en la gama de Sierra Nevada. [Leer más]

Mammoth Mountain volcano

domos de lava 3369 m / 11,053 ft
California, USA, 37.63°N / -119.03°W
Current status: normal or dormant (1 out of 5)
Mammoth Mountain webcams / datos en tiempo real | Reports
Mammoth Mountain volcano books
Last update: 11 Feb 2014 (occasional seismic swarms)
Typical eruption style: effusive
Erupciones del volcán Mammoth Mountain: 1260 ± 40 years
Fecha / HoraRevista / ProfundidadDistanciaUbicación
Thu, 4 Jun 2020
Thu, 4 Jun 07:15 UTCM 0.4 / 4.7 km10 km10km S of Mammoth Lakes, CA (USA)
Tue, 2 Jun 2020
Tue, 2 Jun 11:49 UTCM 1.3 / 5.4 km24 km17km WSW of Toms Place, CA (USA)
Mon, 1 Jun 2020
Mon, 1 Jun 21:32 UTCM 0.4 / 2.8 km6 km6km SSW of Mammoth Lakes, CA (USA)
Mon, 1 Jun 16:35 UTCM 0.2 / 1.7 km0 km4km W of Mammoth Lakes, CA (USA)
Mon, 1 Jun 16:35 UTCM 0.4 / 1.4 km0 km4km W of Mammoth Lakes, CA (USA)
Ver los sismos recientes
Mammoth Mountain is a lava-dome complex on the SW rim of Long Valley caldera, California. Despite its close geographic relation, it is believed that it has its own magma chamber different from the ones underlying Long Valley caldera and the Inyo craters.


The last eruption of the lava dome complex itself took place about 57,000 years ago. There are more than 35 vents fed by the same magma chamber, including Red Cones, two basaltic cinder cones SE of Mammoth Mountain and SE of Devils Postpile National Monument. The cones, whose name derives from their colorful upper scoria deposits, were radiocarbon dated at about 8900 years ago.
Phreatic eruptions on the north side of Mammoth Mountain took place about 700 years ago. The recent unrest, including seismicity, gas emission, and tree kill, at the Long Valley caldera is thought to be related to a dike intrusion beneath Mammoth Mountain in 1989.
(Source: GVP)

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