Fault Threatening Diablo Canyon Nuclear Plant Possibly Linked To 2nd, Larger FaultThe Hosgri fault has long been considered the greatest seismic threat to Diablo Canyon nuclear plant; scientists think Hosgri may be linked to a longer, more dangerous fault to the north.
2 More Magnitude-3 Temblors Add Jitters To Continuing San Ramon Earthquake SwarmTwo small earthquakes were reported within minutes of each other late Saturday night near San Ramon, according to the U.S. Geological Survey.
San Ramon Quake Swarm Shatters 25-Year-Old RecordSan Ramon appears to have broken a 1990 earthquake swarm record for the Tri-Valley region just east of San Francisco.
More Than A Dozen Small Quakes Rattle San Ramon On Anniversary Of Loma Prieta QuakeThe timing of the quake swarm that continues to rattle the Calaveras Fault in San Ramon coincides one of the most disastrous earthquakes in the Northern California history.
Small Earthquakes Rattle Oklahoma Sunday After 2 Magnitude-4 Quakes On SaturdayA series of small earthquakes have been recorded across northern Oklahoma following two moderate earthquakes in the area on Saturday.
4.2 Magnitude Earthquake Hits Northwest Nevada, 3rd Recent 4+ Quake To Strike Swarm-Prone RegionThe U.S. Geological Survey reports that a 4.2-magnitude earthquake hit the northwest corner of Nevada on Saturday night — the third earthquake above magnitude 4 to hit the region in the past 10 months.
Strong Earthquake Strikes Papua New GuineaThe U.S. Geological Survey says a 6.0-magnitude earthquake has struck in Papua New Guinea, but a tsunami is unlikely.
Back-To-Back Earthquakes Strike Coast Range Northeast Of Willits - 3rd Such Quake In Two DaysTwo shallow earthquakes were reported Saturday morning 22 miles from Rancho Tehama Reserve in the eastern Coast Range west of Orland, according to the U.S. Geological Survey.
6 Ingenious Earthquake Safety Tools To Emerge 1 Year After Napa QuakeFrom early warning systems that provide a 30-second countdown to robots that search for heartbeats above the rubble, here are six of the most innovative tools changing the way we think about earthquake safety.
3.9 Magnitude Earthquake Rattles The GeysersThe U.S. Geological Survey reported a 3.9-magnitude earthquake Sunday morning at The Geysers on the border between Sonoma and Lake counties.
Magnitude 3.7 Quake Shakes Mammoth Lakes in Eastern SierraThe U.S. Geological Survey reported a 3.7-magnitude earthquake near Mammoth Lakes in the eastern Sierra Nevada mountains of Northern California.
Small Offshore Quake Rattles San Francisco And North BayThe U.S. Geological Survey reported a 3.3-magnitude earthquake off the coast of San Francisco Sunday afternoon.
Guide To The Holidays
Shine A Light On The Holiday Season With ‘Giving Tuesday’

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