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Shishaldin volcano (Aleutian Islands, Alaska): resumption of activity

Wed, 20 Nov 2019, 08:35 | BY: MARTIN
Lava flow extending down the flank of the volcano visible from satellite (image: Sentinel 2)
Lava flow extending down the flank of the volcano visible from satellite (image: Sentinel 2)
Shishaldin volcano on 16 November (image: AVO)
Shishaldin volcano on 16 November (image: AVO)
The Alaska Volcano Observatory (AVO) reported that during the last 24 hours seismicity at the volcano increased to a level similar to that observed during other eruptive periods over the past few weeks, consistent with the resumption of eruptive activity at the volcano.
This is further supported by strong surface temperatures observed in cloudy satellite images. Webcam images have been mostly obscured by clouds, but a couple of partly clear webcam images yesterday afternoon suggested a lava flow or lahar extending down the southeast flank of the volcano.
No ash plumes have been detected.
Source: Alaska Volcano Observatory / USGS volcano activity update 19 November 2019

Previous news

Wed, 20 Nov 2019, 06:00

Shishaldin volcano (Fox Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 20 November-26 November 2019 (New Activity / Unrest)

AVO reported that increased seismicity and higher surface temperatures at Shishaldin during 19-20 November indicated elevated eruptive activity. Seismicity abruptly dropped at 0340 on 20 November and remained low, heralding another pause in activity. Tremor and surface temperatures remained low through 23 November. ... Read all
Tue, 19 Nov 2019, 23:21

Shishaldin volcano (Aleutian Islands, Alaska): increased seismicity and activity

Over the past 24 hours, the Alaskan Volcano Observatory recorded seismicity levels at Shishaldin Volcano and found that they had climbed to a level similar to that observed during other eruptive periods over the past few weeks, consistent with the resumption of eruptive activity at the volcano. This is further supported by strong surface temperatures observed in cloudy satellite images. Between heavy clouds, AVO noticed either a lava flow or lahar through webcam images extending down the southeast flank of the volcano. No ash plumes have been detected. ... Read all
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Shishaldin volcano
Stratovolcano 2857 m / 9,373 ft
Aleutian Islands, Alaska, 54.76°N / -163.97°W
Current status: restless (2 out of 5) Shishaldin volcano eruptions:
2023 (Jul 12-ongoing), 2019 (Jul 23 - 2020 May 4), 2014-15, 2008 (?), 2004, 2002, 2000, 1999, 1997, 1995, 1993, 1986-87, 1981 (?), 1979, 1978, 1976, 1975, 1967, 1963, 1955, 1953, 1951, 1948, 1946-47, 1932, 1929, 1928, 1927, 1925, 1922, 1912 (?), 1901, 1899 (?), 1898, 1897 (?), 1883, 1880-81, 1865 (?), 1842, 1838, 1830, 1927-29, 1826, 1825, 1824, 1790 (?), 1775-78
Typical eruption style
explosive