Deep recurring earthquakes detected beneath dormant Mauna Kea volcano, Hawaii | WHAT REALLY HAPPENED

Deep recurring earthquakes detected beneath dormant Mauna Kea volcano, Hawaii

USGS seismologists have detected deep long-period earthquakes beneath the dormant Mauna Kea volcano in Hawaii at depths of about 20 to 25 km (12 to 15 miles) occurring with surprising regularity every 7 to 12 minutes. While low-frequency earthquakes are not unusual, there are no other instances of this kind of repetition anywhere in the world. Essentially, more than one million quakes were recorded from 1999 to 2018. Adding together the energy release of the tremors gives a total that is equivalent to an M3.0 earthquake under Mauna Kea every day.

Several years ago, USGS seismologists tried a new method to detect seismicity at Kilauea Volcano, and out of curiosity, they looked at the rest of the island to see what else they might discover. To their surprise, the scientists found deep earthquakes beneath Mauna Kea-- a volcano that has not erupted in over 4 500 years.

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