Airwaves from the Cleveland explosion on May 5, 2013 at 11:23 pm AKDT (7:23 UTC May 6) as seen on AVO seismometers and an AVO infrasound sensor. The data streams are sorted by distance to Cleveland with the uppermost panel being the closest and the lowermost panel the furthest. The high amplitude pulses are the airwaves and they arrive later at the further stations. The most distant station in this figure is on Great Sitkin Volcano, approximately 500 km (300 mi) away from the volcano. Infrasound, or low frequency sound, often provides the earliest detection of explosions at Mount Cleveland.
|Date: ||May 6, 2013 12:30 AM AKDT|
|Photographer/Creator: ||Haney, Matthew|
Matt Haney (AVO-USGS)
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