Northern California, earthqua and Richter magnitude scale

Back-to-back earthquakes shake Northern California, seismologists say. ‘Pretty strong’
Earthquakes’ sudden, rapid shaking can cause fires, tsunamis, landslides or avalanches. They can happen anywhere, but they’re most common in Alaska, California, Hawaii, Oregon, Puerto Rico and Washington, according to the Department of Homeland Security.
Magnitude 4.1 earthquake hits off Northern California coast, followed by several quakes
A magnitude 4.1 earthquake struck off the Northern California coast after midnight on Tuesday, the U.S. Geological Survey said. Several smaller quakes followed.
3.4-magnitude quake shakes residents in Northern California town, seismologists say
A 3.4-magnitude earthquake rattled the Northern California area, the U.S. Geological Survey reported. The 4-mile deep quake hit about 5 miles northeast of San Martin in the Santa Clara Valley at 12:35 p.m. on Friday, Feb. 7, according to the USGS. More than 150 people as far away as San Mateo and Gilroy reported feeling the tremor to the agency.
Preliminary 4.1 magnitude earthquake strikes Northern California coast
A preliminary 4.1 magnitude earthquake struck off the coast of Northern California early Tuesday morning, according to the United States Geological Survey.
Magnitude 4.1 earthquake shakes Northern California communities
PETROLIA, Calif. – A magnitude 4.1 earthquake shook some Northern California communities early Tuesday morning. According to the U.S. Geological Survey (USGS), a magnitude 4.1 earthquake was reported about 13 miles west of Petrolia in the Pacific Ocean just after midnight Tuesday at a depth of about 12 miles.
Series of earthquakes rattle California Bay Area, topping out at magnitude 3.7
Did you feel it? Multiple earthquakes shook the Bay Area Thursday. They were recorded near Hayward, the USGS reported.
Lori Dengler | The state of Northern California earthquake hazards research
This week was the USGS Northern California Earthquake Hazards Workshop (NCEHW). I joined other earthquake hazards professionals for three days of virtual talks and discussions about the latest
California Sees 5 Earthquakes in 24 Hours
The strongest was a 3.4 magnitude quake that struck near San Bernardino, with more than 500 people feeling the quake.
Fourth earthquake hits California in less than 24 hours as seismic activity ramps up
This is the fourth eartquake to hit California with others felt across the region including shaking in San Bernardino, Riverside, Victorville, and Hesperia from the first earthquake
California rattled by 5 earthquakes in one day, including back-to-back Bay Area rumbles
Five minor earthquakes shook California on Thursday, including two rumbles just minutes apart in the San Francisco Bay area, ...
Series of California earthquakes shake the Bay Area near Hayward
A series of small earthquakes hit near a Bay Area city on Thursday, with the most recent being a magnitude 3.7, according to ...
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Series of quakes, including a 4.5 magnitude, jolt California North Coast near Eureka
A moderate earthquake, followed by three smaller quakes, shook California’s Northern Coast in Humboldt County Tuesday ...
California Shaken By Several Recent Earthquakes
Parts of Northern and Southern California have felt light shaking from earthquakes early this week. Here's how strong they ...
At least 4 earthquakes strike near Hayward, USGS says
Did you feel them? At least four earthquakes, ranging from preliminary magnitudes 2.7 to 3.7, struck near Hayward on Thursday, according to the U.S. Geological Survey ...