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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
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 (Aleutian Islands, Alaska): alert level lowered

Tuesday Jun 02, 2015 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
Current seismic signal at Semisopochnoi (AVO)
Thursday, Mar 26, 2015
The Alaska volcano observatory (AVO) detected significantly increased earthquake activity under the volcano and warns of a possible eruption: ... [more]
Current seismic activity (CEAP station / AVO)
Wednesday, Jul 23, 2014
Earthquakes have decreased but are still above background levels. No eruptive activity has been recorded. Alert level remains yellow. [more]
Tuesday, Jul 01, 2014
The earthquake swarm that began on June 9 continues. No sign of activity was noted in satellite images over the past 24 hours. (AVO) [more]
Current seismic activity (CEAP station / AVO)
Thursday, Jun 19, 2014
The earthquake swarm continues. No eruptive activity has been detected. [more]
Current seismic activity (CEAP station / AVO)
Monday, Jun 16, 2014
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) [more]

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