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Cleveland volcano (Alaska) activity update: growing lava dome in summit crater, but no indications of explosions

Mon, 20 Feb 2012, 01:10 | BY: T
No indications of explosive ash-producing activity from distant seismic, pressure or lightning sensors.
The new, 60-meter-diameter (200 feet) lava dome occupies only a small portion of the approximately 200 meter (650 foot) diameter summit crater. There have been no observations of ash emissions or explosive activity during this current lava eruption. (source: AVO activity report (19 Feb, nr 21771)

Previous news

Wed, 15 Feb 2012, 06:00

Cleveland volcano (Chuginadak Island, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 15 February-21 February 2012 (New Activity / Unrest)

AVO reported that during 15-18 and 20-21 February no observations of elevated surface temperatures or ash emissions from Cleveland were noted. On 17 February, AVO reported that partly-cloudy satellite observations over the past week revealed that the lava dome had grown to about 60 m in diameter. On 19 February an elevated surface temperature was detected in satellite images. ... Read all
Sat, 11 Feb 2012, 20:01

Cleveland volcano (Aleutian Islands, Alaska), activity update: growing lava dome, alert level remains at orange

The Alaska Volcano Observatory notes that "satellite observations suggest slow growth of the lava dome may be occurring in the summit crater. No ash emissions or explosions detected." ... Read all
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Cleveland volcano
Stratovolcano 1730 m (5,676 ft)
Aleutian Islands, Alaska, 52.83°N / -169.94°W
Current status: normal or dormant (1 out of 5) Cleveland volcano eruptions:
1893, 1897, 1929(?), 1932, 1938, 1944, 1951(?), 1953(?), 1975(?), 1984, 1985(?), 1986, 1987, 1989(?), 1994, 2001, 2006, 2008, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Typical eruption style
Explosive
Cleveland volcano satellite image by (c) Google Earth View
Cleveland volcano satellite image by (c) Google Earth View