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Makushin volcano
Stratovolcano 1800 m / 5,905 ft
Aleutian Islands, 53.89°N / -166.92°W
Current status: restless (2 out of 5)
Makushin webcams / live data | Reports
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Makushin volcano eruptions:
1995
Typical eruption style:
unspecified
Last earthquakes nearby
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Makushin volcano news & activity updates:

Makushin volcano (Aleutian Islands): fluctuating seismicity continues

Wednesday Jul 01, 2020 06:18 AM | BY: MARTIN
Makushin volcano today (image: AVO)
Makushin volcano today (image: AVO)
The Alaska Volcano Observatory (AVO) reported that the seismicity continues at fluctuating levels since 24 June. This is associated with two earthquakes on 28 June with magnitude M 3.0 and 3.8 at 16:53 and 18:02 local time. All of the earthquakes are clustered about 10 km (6 miles) east of the summit of the volcano at a depth of about 8 km (5 miles). The largest earthquakes have been felt strongly by residents of Unalaska.
The exact cause of this increased earthquake activity, in terms of possible volcanic or tectonic processes, is uncertain at this time. The earthquakes may be related to the movement of magma beneath the east side of the volcano, interactions between an earthquake fault and the nearby geothermal field, the activation of more than one fault in this area, or a combination of these scenarios.
Because of the distance and depth of the locations of the earthquakes from the summit of Makushin Volcano, and the absence of other forms of volcanic unrest such as increased steaming, gas emission, or ground deformation, there is no indication that the present earthquake sequence will necessarily lead to a volcanic eruption.
Source: Alaska Volcano Observatory volcano activity update 1 July 2020
Previous news
Thursday, Jun 18, 2020
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. ... read all
Tuesday, Jun 16, 2020
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
Monday, Jan 21, 2013
Current seismic recording at Makushin volcano (MSW station, AVO)
Occasional small local earthquakes have been recorded recently. ... read all

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