From aa to Vulcanian eruption. With images.
USGS Photo Glossary of Volcanic Terms
Thursday, April 22, 2010
USGS Photo Glossary of Volcanic Terms
Posted by Blacky at 7:18 am
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From aa to Vulcanian eruption. With images.
USGS Photo Glossary of Volcanic Terms
Posted by Blacky at 7:18 am
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