The Alaska Volcano Observatory (AVO) responded to eruptions, possible eruptions, volcanic unrest, or suspected unrest at 11 volcanic centers in Alaska during 2012. Of the two verified eruptions, one (Cleveland) was clearly magmatic and the other (Kanaga)
Herrick, Julie A.,Neal, Christina A.,Cameron, Cheryl E.,et al. 2012 volcanic activity in Alaska: summary of events and response of the Alaska Volcano Observatory. 2014-01-01.