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Random pictures
Semisopochnoi volcano
Stratovolcano 1221 m / 4,006 ft
United States, Aleutian Islands, 51.93°N / 179.58°E
Current status: minor activity or eruption warning (3 out of 5)
Semisopochnoi webcams / live data | Reports
Semisopochnoi volcano books
Semisopochnoi volcano eruptions:
2018, 1987
Typical eruption style:
unspecified
Last earthquakes nearby
Latest satellite images
 

Semisopochnoi volcano news & activity updates:

Semisopochnoi volcano (United States, Aleutian Islands) activity update: Continuing eruptive activity

Tuesday Oct 30, 2018 11:32 AM | BY: MJFLEGEND

Triple-coned Mount Cerberus; the location of the 2018 eruption, in the foreground, with long-quiet Anvil Peak in the background. Credit: Roger Clifford, via AVO.
Triple-coned Mount Cerberus; the location of the 2018 eruption, in the foreground, with long-quiet Anvil Peak in the background. Credit: Roger Clifford, via AVO.
AVO webicorder showing earthquakes and explosion signals over the last day.
AVO webicorder showing earthquakes and explosion signals over the last day.
The renewed eruption has continued in the last few days. Regular small explosions are occurring, but there have been no sightings of ash plumes.
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Links / Sources:
  • AVO: Activity updates and live data for Semisopochnoi.
Previous news
Friday, Oct 26, 2018
Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: ... [more]
Seismic signal from Semisopochnoi volcano this morning, showing the eruption (image: AVO)
Friday, Oct 26, 2018
A small eruption occurred at the volcano this morning (21:00 pm local time) and was detected in seismic data. The Alaska Volcano Observatory (AVO) reports: ... [more]
Satellite image of Semisopochnoi volcano on 26 Oct 2018
Friday, Oct 26, 2018
Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: ... [more]
Friday, Oct 12, 2018
AVO has lowered the Aviation Color Code and Alert Level to YELLOW/ADVISORY due to satellite observations and a lack of tremor lately indicating that eruptive activity has stopped. Elevated seismicity continues. [more]
Wednesday, Oct 03, 2018
On September 16, AVO raised the volcano to Aviation Color Code YELLOW and Volcanic Alert Level ADVISORY due to increased seismicity. The following day, activity increased further, with bursts of tremor; AVO raised the Aviation Color Code to ORANGE and Volcanic Alert Level to WATCH. Subsequent satellite imagery showed ash deposits and a new tephra cone on the northern cone of Mount Cerberus, one of the cones of the volcanic system. No significant emissions have been detected. [more]

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