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Sorikmarapi volcano

Updated: Sep 30, 2022 23:12 GMT -
Stratovolcano 2145 m (7,037 ft)
Sumatra (Indonesia), 0.68°N / 99.54°E
Current status: normal or dormant (1 out of 5)
Last update: 15 Dec 2021 (alert level back to normal)

Sorikmarapi is a forested stratovolcano with a 600-m-wide summit crater containing a crater lake and substantial sulfur deposits.

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Typical eruption style: Phreatic explosions. Strong hydrothermal activity. Strong fumaroles, crater lake.
Sorikmarapi volcano eruptions: 1829(?), 1866(?), 1879, 1888(?), 1892, 1893, 1917, 1970, 1986, 1996(?)

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Monday, September 26, 2022 GMT (1 quake)
Sep 26, 2022 12:36 pm (GMT +7) (Sep 26, 2022 05:36 GMT)
3.0

33 km
98 km (61 mi)
Indian Ocean, 86 km southwest of Padangsidempuan, North Sumatra, Indonesia
Saturday, September 24, 2022 GMT (1 quake)
Sep 24, 2022 12:58 pm (GMT +7) (Sep 24, 2022 05:58 GMT)
3.2

10 km
108 km (67 mi)
Indian Ocean, 118 km southwest of Padangsidempuan, North Sumatra, Indonesia

Background

A smaller parasitic crater (Danau Merah) on the upper SE flank also contains a crater lake; these two craters and a series of smaller explosion pits occur along a NW-SE line. Several solfatara fields are located on the eastern flank. Phreatic eruptions have occurred from summit and flank vents during the 19th and 20th centuries.

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Source: GVP, Smithsonian Institute


See also: Sentinel hub | Landsat 8 | NASA FIRMS

Sat, 31 Dec 2011, 11:05

Sorikmarapi volcano (Sumatra, Indonesia) activity update: alert level back to normal

Increased seismicity from Sorik Marapi was detected during 1-12 December and white plumes rose 40-50 m above the summit. CVGHM raised the Alert Level on 12 December from 1 to 2 (on a scale of 1-4) and back to 1 (normal) on 30 December 2011. ... Read all
Wed, 28 Dec 2011, 06:00

Sorikmarapi volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 28 December-3 January 2012 (New Activity / Unrest)

CVGHM lowered the Alert Level for Sorikmarapi on 30 December from 2 to 1 (on a scale of 1-4). ... Read all
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