Makushin volcano (Fox Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 24 June-30 June 2020 (New Activity / Unrest)
AVO reported continuing numerous smaller earthquakes in an area about 10 km E of the Makushin's summit at a depth of about 8 km during 24-30 June; the frequency and magnitude had been declining since 15 June but the rate became variable on 24 June. No surficial activity was visible in satellite or webcam images; only typical minor steaming from summit crater lake. Earthquakes with a M 3 and M 3.8 were recorded at 1653 and 1802 on 28 June, with the larger event strongly felt in Unalaska (14 km E).
mer., 24 juin 2020, 06:0006:00 AM | AUTEUR : VN
The Aviation Color Code and Volcano Alert Level remained at Yellow and Advisory, respectively.
Source: US Geological Survey Alaska Volcano Observatory (AVO)
From: Global Volcanism Program, 2020. Report on Makushin. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 24 June-30 June 2020. Smithsonian Institution and US Geological Survey.
jeu., 18 juin 2020, 07:31
The Alaska Volcano Observatory (AVO) reported that the activity of the volcano continues at low levels over the past days. ... Read all
mer., 17 juin 2020, 06:00
Makushin volcano (Fox Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 17 June-23 June 2020 (New Activity / Unrest)
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