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Zufallsfotos
Semisopochnoi Vulkan
Stratovolcano 1221 m / 4,006 ft
United States, Aleutian Islands, 51.93°N / 179.58°E
Aktueller Status: unruhig (2 von 5)
Semisopochnoi Webcams / aktuelle Daten | Berichte
Semisopochnoi Vulkan-B cher
Ausbrüche des Semisopochnoi:
1987 
Typische Aktivität:
unspecified
Letzte Erdbeben in der Nähe
Letzte Satellitenbilder

Sentinel hub | Landsat 8
 

Semisopochnoi volcano news & activity updates:

Thu, 2 Apr 2020, 07:28
The Alaska Volcano Observatory (AVO) lowered the alert level of the volcano because no signs of eruptive activity had been detected during the past two weeks: ...mehr [alles lesen]
Thu, 2 Apr 2020, 06:35
Steam plume from Semisopochnoi volcano from satellite (image: Sentinel 2)
The Alaska Volcano Observatory (AVO) reported that seismic, infrasound, and satellite data over the past two weeks have shown no signs of eruptive activity. ...mehr [alles lesen]
Fri, 20 Mar 2020, 05:14
AVO reports that activity continues at Semisopochnoi volcano. The seismicity levels remain elevated, but no significant activity was observed over the past 24 hours. No activity was observed in cloudy satellite imagery.
Mon, 16 Mar 2020, 08:00
The Alaska Volcano Observatory (AVO) reported that the seismicity has been increasing the last few days at the volcano. The seismic station records continuous tremor associated with frequent minor explosion signals. ...mehr [alles lesen]
Wed, 11 Mar 2020, 08:30
The Alaska Volcano Observatory (AVO) reported that the seismic station records intermittent tremor bursts over the past 24 hours but were not accompanied by any infrasound detections. ...mehr [alles lesen]
Wed, 26 Feb 2020, 21:42
The alert level of the volcano was lowered to yellow, as no recent eruptive activity was detected on high-resolution satellite data from yesterday afternoon, the Alaska Volcano Observatory (AVO) reported (AVO): ...mehr [alles lesen]
Thu, 20 Feb 2020, 05:21
Seismic signal from Semisopochnoi volcano as recorded on Adak Island (image: AVO)
The Alaska Volcano Observatory (AVO) reported that the seismic unrest continues at the volcano with intermittent, low-level tremor. Tremor bursts lasting from three to twelve minutes every few hours. ...mehr [alles lesen]
Sun, 16 Feb 2020, 01:15
The Alaskan Volcano Observatory (AVO) raised the Aviation Colour Code and Alert Level for Semisopochnoi to ORANGE/WATCH due to a significant increase in seismic activity as well as small explosions and tremor bursts, lasting from three to twelve minutes every few hours. No ash plumes have been observed.
Fri, 27 Dec 2019, 10:31
Semisopochnoi volcano covered by clouds from satellite (image: Sentinel 2)
The Alaska Volcano Observatory (AVO) reported that ash plumes reached 5,000 ft (1,500 m) altitude and drifted about 15 km SE on 14 and 17 December. ...mehr [alles lesen]
Sat, 7 Dec 2019, 15:46
Seismic signal from Semisopochnoi volcano as recorded on Adak Island (image: AVO)
An eruption is probably occurring at the volcano. The Alaska Volcano Observatory (AVO) detected seismic signals of strong volcanic tremor, probably corresponding to the arrival of magma in the summit vent, but the nature of the eruption itself is unclear: ...mehr [alles lesen]

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