A shake alert went out over the U.S. Geological Survey's early warning system on Dec. 4, warning that a 5.9 earthquake near Carson City in western Nevada could produce heavy shaking in the region. But moments later, the survey announced the alert, which was sent to people as far west as San Francisco, was a false alarm.

Just after 8 a.m. Bay Area residents received a MyShake alert warning of magnitude 5.9 earthquake hitting east of Carson City, Nevada close to the Lake Tahoe region. The quake also appeared on the USGS map of latest earthquakes. But within minutes the report of the quake disappeared on the USGS page.

A magnitude 4.7 earthquake struck off the southern coast of Mexico, centered about 50 miles south-southwest of La Esperanza.

Many residents received an earthquake alert in Nevada on Thursday morning. According to an initial alert from the US Geological Survey, the 5.9 magnitude quake allegedly struck just after 8 a.m. east of Dayton, Nevada. Then, moments later, the USGS deleted the event from its website. KTVU reached out to the USGS to understand this discrepancy.

A notification about a magnitude-5.9 earthquake in western Nevada near the California border was a false alert, the USGS said.

According to USGS data, the seven earthquakes occurred over a span of two days and were centered near the city of Santa Rosa in Sonoma County. Preliminary readings placed the epicenters predominantly along or near the Rodgers Creek Fault, a fault known for its seismic activity and historical potential for damaging earthquakes.

A magnitude 3.8 earthquake struck Riverside County near Idyllwild on Thursday evening, followed by a 3.5 temblor. A pair of Thanksgiving Day earthquakes were reported Thursday just around dinnertime in Riverside County.

Nevada Seismological Lab says today’s widespread quake alerts were a false ShakeAlert activation. No earthquake occurred, and Nevada’s system detected no activity.

The United States Geological Survey put out a false alarm for a 5.9 earthquake east of Dayton, Nevada, on Thursday morning.

A magnitude 3.2 earthquake was felt in the San Francisco Bay Area on Friday evening.

The epicentre located at a depth of 10km and lay about 515km south-southeast of Campbell Bay, Andaman and Nicobar, 606 km west of Kuala Lumpur, Malaysia and over 1000 km south-southeast of Port Blair,

DeGroot said after the sensors picked up motion the information was automatically moved to a processing center where it made the determination a magnitude 5.9 earthquake had occurred. "It did exactly what it was supposed to do,