Ahyi Volcano
Updated: 25 avril. 2024 06:16 GMT -
Submarine volcano -137 m / - 449 ft
United States, Mariana Islands, 20.42°N / 145.03°E
Condition actuelle: normal / en sommeil (1 sur 5)
United States, Mariana Islands, 20.42°N / 145.03°E
Condition actuelle: normal / en sommeil (1 sur 5)
Last update: 10 avril 2024 (Smithsonian / USGS Weekly Volcanic Activity Report)
3D model of Ahyi seamount volcano (image via GVP)
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Eruptions du volcan Ahyi: 1979?, 2001, 2014, 2022 (mid Oct - ongoing, to be confirmed)
Derniers séismes proches
| Heure | Mag. / Profondeur | Distance / Lieu | |||
Introduction
Ahyi seamount is a large conical submarine volcano that rises to within 137 m of the sea surface about 18 km SE of the island of Farallon de Pajaros (Uracas) in the northern Marianas. Water discoloration has been observed over the submarine volcano, and in 1979 the crew of a fishing boat felt shocks over the summit area of the seamount followed by upwelling of sulfur-bearing water. On April 24-25, 2001 an explosive submarine eruption was detected seismically from a seismic station on Rangiroa Atoll, Tuamotu Archipelago. The event was well constrained (+/- 15 km) at a location near the southern base of Ahyi; the summit of the seamount lies within the location uncertainty.---
Smithsonian / GVP volcano information
Latest satellite images
