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South Sarigan Seamount volcano

Updated: Feb 6, 2023 22:32 GMT -
Submarine volcano -184 m / - 604 ft
United States, Mariana Islands, 16.58°N / 145.78°E
Current status: normal or dormant (1 out of 5)
Last update: 14 Dec 2021 (Smithsonian / USGS Weekly Volcanic Activity Report)

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Typical eruption style: unspecified
South Sarigan Seamount volcano eruptions: 2010

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South Sarigan seamount, rising to within about 184 meters of the sea surface 12 km south of Sarigan Island, was the site of a short-term explosive submarine eruption in May 2010 that produced a plume of ash and steam to 12 km altitude. Sidescan Sonar imagery taken in 2003 shows an irregular summit with multiple peaks, including a possibly young cone at about 350 m depth, and flank morphology suggests it is a frequently active volcano.
Smithsonian / GVP volcano information

See also: Sentinel hub | Landsat 8 | NASA FIRMS
Wed, 9 Jun 2010, 06:00

South Sarigan Seamount volcano (Mariana Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 9 June-15 June 2010 (New Activity / Unrest)

On 10 June the Volcano Alert Level and the Aviation Color Code for Sarigan was lowered to Unassigned because no further volcanic activity was noted since the submarine eruption from a vent S of the island on 29 May. ... Read all
Wed, 26 May 2010, 06:00

South Sarigan Seamount volcano (Mariana Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 26 May-1 June 2010 (New Activity / Unrest)

On 27 May an observer from the Emergency Management Office (EMO) in Saipan photographed an area of discolored ocean water and possible light-colored floating material about 7 km S of Sarigan during an overflight. The area was about 1.6 km long, although the scale was difficult to discern from photographs. Two days later, the area of affected water was about twice the size of Sarigan Island. ... Read all
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