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Piedras de Torres

Zealandia Bank

Estratovolcán · United States · 0 m

Zealandia Bank submarine volcano is seen in this NOAA Vents Program bathymetric model from the SW with 2x vertical exaggeration. It consists of two peaks about 1 km apart that rise to near the ocean surface between Guguan and Sarigan Islands. The 2004 survey detected fumarolic activity.
Zealandia Bank submarine volcano is seen in this NOAA Vents Program bathymetric model from the SW with 2x vertical exaggeration. It consists of two peaks about 1 km apart that rise to near the ocean surface between Guguan and Sarigan Islands. The 2004 survey detected fumarolic activity. · Foto: Image courtesy of Susan Merle (Oregon State University/ NOAA Vents Program). · Wikimedia Commons
Tipo
Estratovolcán
País
United States
Región
Northwestern Pacific Volcanic Regions / Mariana Volcanic Arc
Altitud
0 m
Coordenadas
16.880, 145.850
Última erupción
Desconocido
Contexto tectónico
Subduction zone / Crustal thickness unknown
Forma volcánica
Composite
Roca principal
Basalt / Picro-Basalt
Resumen geológico

Zealandia Bank consists of two pinnacles about 1 km apart rising from a submerged bank to near the ocean surface between Guguan and Sarigan Islands. One pinnacle reaches more than 1 m above water at low tide. Andesitic rocks were dredged at the southern peak, which showed some evidence of coral growth. Freshly broken pahoehoe basaltic rocks were recovered from 1.7 km depth on the western flank. The age of the most recent eruptive activity is not known, but a NOAA bathymetric survey in 2004 detected fumarolic activity.

Resumen de Wikipedia

Las Piedras de Torres o Farallón de Torres es el nombre dado a dos pináculos rocosos y un volcán submarino que se elevan en el lugar, en la cadena de Islas Marianas del Norte situados a 11 millas al noreste de la isla de Sarigan. Estos dos pináculos están a 1/2 milla de distancia el uno del otro, uno llega a más de un metro sobre el nivel del mar durante la marea baja. Debido a su pequeño tamaño, El Banco no es a menudo representado en los mapas de las Islas Marianas del Norte.

Wikipedia · CC BY-SA · Leer artículo completo

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