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Seismologists uncover faults under 1 of the US’s biggest quake hotspots

Off the rugged north coast of California, one of the most seismically volatile corners of the United States is yielding a new and unsettling secret. By tracking swarms of earthquakes far too small for ...
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Swarms of tiny quakes expose hidden dangers along California’s giant faults

California’s most dangerous faults are not only defined by the headline grabbing magnitude 7 shocks that topple freeways and rupture gas lines. Deep below the surface, swarms of tiny earthquakes, some ...
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California’s Hidden Earthquake Threat: Hundreds of Active Faults Beyond San Andreas

Earthquakes remain one of the top concerns for millions of Californians. While the San Andreas Fault dominates the public imagination, a leading expert says the state’s seismic risk is far more ...
The New York Times

Map: 4.1-Magnitude Earthquake Shakes Central California

A light, 4.1-magnitude earthquake struck in Central California on Tuesday, according to the United States Geological Survey. The temblor happened at 9:54 a.m. Pacific time about 8 miles southwest of ...
University of California

Tiny earthquakes reveal hidden faults under Northern California

“If we don’t understand the underlying tectonic processes, it’s hard to predict the seismic hazard,” said co-author Amanda Thomas, professor of earth and planetary sciences at UC Davis. Three of the ...