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Makushin volcano (Aleutian Islands): seismic unrest continues

jeu., 18 juin 2020, 07:31
07:31 AM | AUTEUR : MARTIN
Makushin volcano on 9 June (image: AVO)
Makushin volcano on 9 June (image: AVO)
The Alaska Volcano Observatory (AVO) reported that the activity of the volcano continues at low levels over the past days.
Earthquakes may be associated with unrest but there have been no signs of surficial activity detected or observed in other monitoring data.
It is unclear at this time if increased seismic activity at the volcano could lead to an eruption.
The main hazard from an eruption of Makushin would likely be from airborne ash and ash fall.
Source: Alaska Volcano Observatory volcano activity update 18 June 2020

Actualités précédentes

mer., 17 juin 2020, 06:00
AVO reported that numerous smaller earthquakes in an area about 12 km SE of Makushin's summit were recorded after two events greater than M 4 occurred on 15 June. The earthquake activity continued during 16-23 June, though at a declining rate and magnitudes. No surficial activity was visible in satellite or webcam images; only typical minor steaming from summit fumaroles was visible. ... Read all
mar., 16 juin 2020, 02:37
AVO webicorder showing the sudden increase in seismicity. Credit: AVO
The Alaska Volcano Observatory has raised the Alert Level and Aviation Color Code to ADVISORY/YELLOW due to an earthquake swarm that began a few hours ago with a M4.5 shock, soon followed by a M4.1 event. Both have been reported felt in Dutch Harbor/Unalaska. ... Read all
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