Plumas County Earthquake Overshadowed by Russian Quake

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California’s state geologist says the 5.7 magnitude earthquake in Plumas County was considered modest in size and was dwarfed by a Russian earthquake that happened two hours later.

John Parrish with the California Geological Survey said California records 500 to 700 earthquakes a week.  There are apparently numerous earthquake faults that run through the Greenville area where the Thursday’s quake’s epicenter was located.

He said there have been 7  4.0+ magnitude earthquakes recorded in the area since 1931. But he said it’s rare to have a catastrophic earthquake there.

Parrish also said its impossible to predict earthquakes, but did say there were numerous aftershocks in the area.

“There’s a 20% probability of a damaging aftershock in the area over the next seven days,” said Parrish.  But he also said the chances go way down after that.

The 8.2 magnitude quake in western Russia Thursday occurred under the sea and there were no reports of damage.  But it was powerful enough to disrupt seismic gear in California being used to monitor the Plumas County earthquake.

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