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Tres Virgenes VulkanStratovulkan 1940+ m / 6,365 ft
Baja California, Mexico, 27.47°N / -112.59°W Aktueller Status: nicht aktiv (1 von 5)
Typische Aktivität: effusiv
Ausbrüche des Tres Virgenes: 1857(?), 1746(?), 3480 BC Letzte Erdbeben in der Nähe:
Possible eruptions occurred in 1746 and 1857. A geothermal plant is located at the northern end of the complex near the margin of the Pleistocene El Aguajito caldera. Beschreibung:The 3 volcanoes, El Viejo, El Azufre, and La Vírgen were constructed along a NE-SW line and are progressively younger to the SW. The youngest volcano, La Vírgen, is an andesitic stratovolcano with numerous dacitic lava domes and lava flows on its flanks. A major plinian explosive eruption from a SW-flank vent was radiocarbon dated at about 6500 years ago, but Helium exposure and Uranium-series dates give a late-Pleistocene age for this event. An ash plume was reported from Tres Vírgenes volcano by a Spanish Jesuit priest while navigating the Gulf of California in 1746. No tephra deposits from such a young eruption have been found, but young undated andesitic lava flows at the summit could potentially be related to this event.(Source: Smithsonian / GVP) |
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