Alaska AVO
@alaska_avo
official Alaska Volcano Observatory. Tweets do not = endorsement
ID: 19672080
http://www.avo.alaska.edu 28-01-2009 20:03:17
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#Shishaldin GREEN/NORMAL Over the past several months, signs of volcanic unrest at Shishaldin Volcano have been declining. Slightly elevated seismicity, small infrasound signals and weak gas emissions continue to be detected 1/5 USGS Volcanoes🌋 UAF Geophysical Institute Alaska DGGS