Kelly Gravitt was last seen a year and a half ago at the Black Lava Vape Shop in Pahoa, Hawaii Island. The 34-year-old served ...
Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment ...
On Friday, the volcano emitted its largest recorded ash plume to date, soaring 10 kilometres (6.2 miles) into the air.
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