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News Link • Geology

Earth's Biggest Volcano Might Be Waking Up

Don't fret: It isn't about to erupt at any minute, but four separate clusters of smaller earthquakes have been reported under Mauna Loa over the last 16 months, including as recently as April and May of this year, reports LiveScience. Geologists from the Hawaii Volcano Observatory note that similar events preceded the volcano's last eruption in 1984—though these latest quakes are smaller in comparison—which may indicate magma is on the move.

As Wired explains further, the depth and location of the quakes suggests that magma is "refilling the reservoir that feeds Mauna Loa." Prior to the 1984 blast, scientists also observed ground deformation at the volcano's surface, as well as changes in gases streaming from cracks, and nothing like that has been seen in the last year or so.

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