SHELDON NATIONAL REFUGE (CBS SF) — An earthquake registering a magnitude of 4.1 struck the northwest corner of Nevada near the borders of Oregon and California Wednesday morning, according to the U.S. Geological Survey’s automated seismograph alert network.
The quake hit at 6:42 a.m. in a remote area of the Sheldon National Wildlife Refuge, which continues to see a swarm of earthquakes.READ MORE: 49ers Fans Look to Make Noise, Boost Team at NFC Championship Game
The quake struck right at earth’s surface. Deeper quakes are less noticeable while a shallow quake–in the 0 to 40 mile depth range–can feel much stronger than their actual reported magnitude. Quakes just below the earth’s surface, in the 0 to 10 miles range, can cause even more damage at lower magnitudes.
COMPLETE QUAKE COVERAGE: CBS Earthquake Resource CenterREAD MORE: Solo Crash Friday Night Closes Moraga Road, Cuts Power to Hundreds
Strong earthquakes with an epicenter off the coast can trigger tsunamis, depending on the size and type of the fault movement. The Pacific Tsunami Warning Center tracks earthquake data for the West Coast.
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