Rocks generate brown dust as they tumble down the western caldera wall during the collapse explosion event on July 5, 2018. Photo taken Thursday, July 5, 2018 courtesy of U.S. Geological Survey
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Posted on July 5, 2018.
Rocks generate brown dust as they tumble down the western caldera wall during the collapse explosion event on July 5, 2018. Photo taken Thursday, July 5, 2018 courtesy of U.S. Geological Survey
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