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Semisopochnoi volcano
Stratovolcano 1221 m / 4,006 ft
United States, Aleutian Islands, 51.93°N / 179.58°E
Current status: normal or dormant (1 out of 5)
Semisopochnoi webcams / live data | Reports
Books
Semisopochnoi volcano eruptions:
2020, 2019, 2018, 1987
Typical eruption style:
unspecified
Last earthquakes nearby
Latest satellite images

Sentinel hub | Landsat 8
 

Semisopochnoi volcano news & activity updates:

Semisopochnoi volcano (Aleutian Islands, Alaska): alert level lowered

Tue, 2 Jun 2015, 11:05
11:05 AM | BY: T
A decline in seismicity over the last few months and no sign of activity in daily satellite images prompts AVO to downgrade Semisopochnoi volcano from Aviation Color Code YELLOW and Volcanic Alert Level ADVISORY to UNASSIGNED. (USGS)
Previous news
Thu, 26 Mar 2015, 18:03
Current seismic signal at Semisopochnoi (AVO)
The Alaska volcano observatory (AVO) detected significantly increased earthquake activity under the volcano and warns of a possible eruption: read all
Wed, 23 Jul 2014, 13:44
Current seismic activity (CEAP station / AVO)
Earthquakes have decreased but are still above background levels. No eruptive activity has been recorded. Alert level remains yellow. ... read all
Tue, 1 Jul 2014, 15:15
The earthquake swarm that began on June 9 continues. No sign of activity was noted in satellite images over the past 24 hours. (AVO) ... read all
Thu, 19 Jun 2014, 15:19
Current seismic activity (CEAP station / AVO)
The earthquake swarm continues. No eruptive activity has been detected. ... read all
Mon, 16 Jun 2014, 11:17
Current seismic activity (CEAP station / AVO)
The earthquake swarm at the volcano that started on June 9 and escalated on June 12 continues. No eruptive activity is currently indicated and nothing was observed in cloudy satellite images over the past day. (AVO) ... read all

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