earthquake swarm

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More Than 5K Earthquakes Hit Nevada in One Year

One theory points to ancient volcanoes

(Newser) - Northwest Nevada has been hit by a year-long swarm of thousands of mostly minor earthquakes. The University of Nevada's Reno Nevada Seismological Laboratory said today that 5,610 earthquakes have registered since July 2014 in the Sheldon National Wildlife Refuge near the Oregon border. More than 200 have registered...

3 Dozen Quakes Shake Arkansas —in Week

Experts can't rule out fracking connection

(Newser) - Fracking is in the spotlight once again following a swarm of at least three dozen earthquakes in central Arkansas over the last week, CNN reports. Experts say they believe the quakes—the strongest of which was 3.5 magnitude—are natural, but they haven't ruled out a connection with...

California Town Declares Quake-Swarm Emergency

Millions in damage caused by tremors: mayor

(Newser) - The mayor of a small southern California town that has been hit in the past week by hundreds of moderate earthquakes and aftershocks has taken the unusual step of declaring an earthquake emergency. Tremors aren't unusual in California, but the swarm has been particularly intense, lasted for days, and...

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