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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
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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): seismic unrest

Friday Jun 13, 2014 20:56 PM | BY: T

Current seismic signal at Semisopochnoi volcano (CEAP station / AVO)
Current seismic signal at Semisopochnoi volcano (CEAP station / AVO)
Another remote volcano in Alaska is showing signs of unrest or possible activity. The Alaska Volcano Observatory (AVO) sent out the following alert:
"A swarm of earthquakes at Semisopochnoi volcano that started at 10:00 AKDT (18:00 UTC) on June 9 escalated yesterday, June 12, at approximately 12:00 AKDT (20:00 UTC). The continuation of this anomalous seismic activity through the night prompts AVO to raise the Aviation Color Code to YELLOW and the Volcano Alert Level to ADVISORY. No eruptive activity is currently indicated.

"AVO is closely monitoring the situation and will issue further updates as conditions change.

"Semisopochnoi volcano is monitored by a 6-station seismic network as well as satellite imagery. Five of the seismic stations on Semisopochnoi are currently operational. The telemetry system for the Semisopochnoi stations, located on Amchitka Island, was just repaired in late May. Semisopochnoi Island is located 65 km (40 mi) northeast of Amchitka and 200 km (130 mi) west of Adak in the remote western Aleutian Islands. The last eruption of Semisopochnoi occurred in 1987."

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