Real‐Time Satellite Monitoring of Volcanic Hot Spots
2013
Direct satellite data reception at high temporal frequencies and automated processing enable near-real-time, near-continuous thermal monitoring of volcanoes. We review what has been achieved in terms of turning this capability into real-time tools of use to volcano monitoring agencies. Current capabilities focus on 2 instruments: the advanced very high resolution radiometer (AVHRR) and the Geostationary Operational Environmental Satellite (GOES) imager. Collection of 10 AVHRR images per day covering Alaska, the Aleutians, and Kamchatka allows routine, on-reception analysis of volcanic hot spots across this region. Data collected between 1996 and 1998 detected 302 hot spots due to lava flows, lava domes, pyroclastic flows, fumaroles, and geothermally heated lakes at 12 different volcanoes.
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