Back in January, SFGATE was on the ground in the national park during a previous eruption episode that also rained tephra ...
SAN FRANCISCO -- Tsunami advisories have been lifted for California after an undersea volcanic eruption Saturday near the Pacific nation of Tonga. That eruption Saturday sent a plume of ash, gas, and ...
We've all been told to prepare for "the big one," but scientists say there is a different natural disaster we may not be ready for. The U.S. Geological Survey reports there is a 16 percent possibility ...
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