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ERUPTION OF CLEVELAND VOLCANO
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Cleveland Volcano Eruption Chronology: Feb. 2: Flowage deposit observed by local pilot. Feb. 19: Explosive eruption starting at 0600AST and lasting throughout day produces plume to 35,000' asl and drops ash on Nikolski. Mar. 11: Explosive eruption between 0500AST and about 0800AST. Mar. 19: Explosive eruption from 1430AST to about 2030AST produces ash plume to 30,000' asl.
Thermal anomalies visible in satellite images last seen on April 15.
Seismic signals perhaps coming from low level eruptions continue to be visible intermittently on a remote seismic station 230 km to the east.