Scientists listening to underwater microphones have detected an unusual swarm of earthquakes off the central Oregon Coast.
Scientists don’t know what the earthquakes mean, but they could be the result of magma rumbling underneath the Juan de Fuca Plate — away from the recognized earthquake faults off Oregon, said geophysicist Robert Dziak of the National Oceanic and Atmospheric Administration and Oregon State University’s Hatfield Marine Science Center in Newport.
They hope to send out the OSU research ship, Wecoma, to take water samples, looking for evidence that sediment on the ocean bottom has been stirred up and chemicals in the water that would indicate magma is moving up through the crust, Dziak said.
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