EARTHQUAKE swarms can be a sign of magma moving near the surface of an active volcano that will erupt, Yellowstone geologists have revealed.
Wednesday 27 May 2020
Yellowstone volcano: How earthquake swarms can warn of eruption as park hit by 20 tremors
EARTHQUAKE swarms can be a sign of magma moving near the surface of an active volcano that will erupt, Yellowstone geologists have revealed.
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