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Zufallsfotos
Bogoslof Vulkan
Submarine volcano 150 m / 492 ft
United States, Aleutian Islands, 53.93°N / -168.03°W
Aktueller Status: normal / ruhend (1 von 5)
Bogoslof Webcams / aktuelle Daten | Berichte
Bogoslof Vulkan-B cher
Ausbrüche des Bogoslof:
1992 
Typische Aktivität:
explosive
Letzte Erdbeben in der Nähe
Letzte Satellitenbilder
 

Bogoslof volcano news & activity updates:

Bogoslof volcano (Aleutian Islands): volcano remains restless, indication of continuing activity

Thursday Dec 29, 2016 16:16 PM | VON: T

The volcano remains in a state of elevated unrest, the Alaska Volcano Observatory (AVO) reported.
Although no new major explosions have occurred during the past days, the eruption seems to continue. According to AVO, "seismic data from neighboring islands detected an increase in volcanic tremor at the volcano beginning at 17:55 AKST yesterday (02:55 Dec 29 UTC), with the largest burst occurring at 18:07 AKST (03:07 Dec 29 UTC).
The tremor signal lasted for approximately 50 minutes, ending around 18:46 AKST (03:46 Dec 29 UTC). This type of seismic activity has accompanied each of the previous explosions at Bogoslof volcano since the eruption began last week, prompting AVO to issue a Volcano Activity Notice and Volcano Observatory Notice for Aviation. It is unknown if this event produced airborne ash.
Continued analysis of data from the Worldwide Lightning Location Network shows no indication of lightning strikes associated with an ash cloud, and infrasound sensors from nearby islands did not detect signals associated with ash emissions. Regional high cloud cover to 35,000 ft asl, however, is obscuring satellite views of the surrounding area preventing confirmation of the presence or absence of an ash cloud.
"The volcanic seismicity has subsided, for the moment, and the status of the volcano remains at Aviation Color Code ORANGE and Alert Level WATCH." (AVO)
Vorherige Nachrichten
Tuesday, Dec 27, 2016
Another strong explosive ash-producing eruption occurred last evening, starting from 14:05 AKST (23:05 UTC) and produced a plume that rose to 30,000 ft and drifted ENE. [mehr]
Tuesday, Dec 27, 2016
Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: ... [mehr]
Friday, Dec 23, 2016
Another explosive eruption occurred at the volcano a few hours ago (at around 09:30 AKST local time), the Alaska Volcano Observatory reported. The alert level of Bogoslof was raised back to red. ... [mehr]
Friday, Dec 23, 2016
Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: ... [mehr]
Analysis of shoreline change and vent location from the eruption of Bogoslof volcano. The base image was collected on March 19, 2015 and the analysis was conducted on data from December 22, 2016 after the large explosive eruption on December 21, 2016. Note that the location of the vent for the eruption was underwater or near the shoreline on the NE part of Bogoslof Island. Deposits have enlarged portions of the island and are interpreted to be comprised of coarse-grained volcanic ash and blocks of lava. (image: Burton, Bill; Schneider, Dave / AVO / USGS)
Friday, Dec 23, 2016
No more ash emissions have been detected from the volcano after the violent explosion Wednesday afternoon (16:10 AKST 21 Dec = 01:10 UTC 22 Dec). However, at least minor intermittent volcanic activity seems to have occurred after this powerful explosion as well. ... [mehr]

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