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Diaporama
Bogoslof volcan
Submarine volcano 150 m / 492 ft
United States, Aleutian Islands, 53.93°N / -168.03°W
Condition actuelle: normal / en sommeil (1 sur 5)
Bogoslof webcams / données en temps réel | Reports
Bogoslof livres
Eruptions du volcan Bogoslof:
1992 
Style éruptif tipique:
explosive
Derniers séismes proches
Derniers images satellite
 

Bogoslof volcano news & activity updates:

Bogoslof volcano (Aleutian Islands): larger explosive eruption on 10 June, ash to 34,000 ft

dimanche juin 11, 2017 12:05 | AUTEUR : T

An explosive eruption occurred from about 3:18 to 5:28 local time AKDT (11:18 to 13:28 UTC) on 10 June. This sequence began with a series of short infrasound signals and then, starting at about 4:16 AKDT (12:16 UTC), transitioned into several minutes-long continuous seismic and infrasound tremor signals.
Satellite images of the resulting cloud show it reached as high as 34,000 ft asl and drifted to the northwest. Satellite data also indicate that at least part of the volcanic cloud was more ash-rich than most of those seen previously in the Bogoslof eruptive sequence to date. This suggests that the eruption may have destroyed the lava dome that was emplaced earlier this week.
Since 5:28 AKDT (13:28 UTC), seismicity as detected on neighboring islands has been quiet, no lightning has been detected, and satellite images show no additional emission from the volcano.
Bogoslof volcano remains at a heightened state of unrest and in an unpredictable condition. Additional explosions producing high-altitude volcanic clouds could occur at any time. Low-level explosive activity that is below our ability to detect in our data sources may be occurring. These low-level explosions could pose a hazard in the immediate vicinity of the volcano.
(AVO)
Actualités précédentes
dimanche, juin 11, 2017
Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: ... [details]
samedi, juin 10, 2017
Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: ... [details]
jeudi, juin 08, 2017
Two smaller explosive eruptions, each lasting no more than 2 minutes, occurred earlier today and yesterday (at 5:28 UTC on 8 June or 21:28 AKDT on 7 June, and 14:30 UTC / 6:30 am AKDT yesterday). Small ash and steam clouds were produced tht rose less than 10,000 ft (3 km). ... [details]
jeudi, juin 08, 2017
Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: ... [details]
Seismic signal of this afternoon's eruption at Bogoslof (recorded on MSW station on Makushin volcano about 60 km to the E (AVO)
lundi, juin 05, 2017
The volcano remains restless. During the past days, at least two smaller explosive eruptions occurred. The Aviation Color Code remains at ORANGE. ... [details]

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