If you are interested in the difficulties and complexity of the science involved in seeking and gathering data from volcanic activity take a little time and read the article:
Characterization and interpretation of volcanic activity at Karymsky Volcano, Kamchatka, Russia, using observations of infrasound, volcanic emissions, and thermal imagery - Lopez - 2013 - Geochemistry, Geophysics, Geosystems - Wiley Online Library
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Characterization and interpretation of volcanic activity at Karymsky Volcano, Kamchatka, Russia, using observations of infrasound, volcanic emissions, and thermal imagery.
Authors.
Taryn Lopez, David Fee, Fred Prata, andJonathan Dehn
Article first published online: 11 DEC 2013
DOI: 10.1002/2013GC004817
©2013. American Geophysical Union. All Rights Reserved.