Cleveland Volcano Heard on Infrasound
May 7, 2013 | Live Science
The Alaska Volcano Observatory does not have seismic monitoring on Chuginadak Island where Mount Cleveland Volcano is located; however, they "heard" small eruptions this weekend using infrasound.
Pavlof Sends Ash to 19000 Feet
June 5, 2013 | Alaska Dispatch
Pavlof Volcano continues to exhibit activity. On Tuesday an eruption sent ash to an elevation of 19,000 feet. AVO reports that Mount Cleveland is still active and could launch blocks and ash without warning.
Strongest Seismic Activity of 2013 at Pavlof
June 25, 2013 | Alaska Volcano Observatory
"Vigorous eruptive activity indicated by a distinct increase in seismicity beginning around 6:50 UTC (22:50 AKDT) last evening is continuing. The level of seismicity for the past 11-12 hours has been the strongest seismic activity detected so far during the 2013 eruption of Pavlof Volcano." Quoted from the Alaska Volcano Observatory.