Magnitude 6.1 earthquake strikes Alaska

An earthquake with a preliminary magnitude of 6.1 struck central Alaska late Sunday, reported the U.S. Geological Survey.

Truckee earthquake triggered ShakeAlert notification in the Bay Area

ShakeAlert, the west coast's still young but operating earthquake warning system, scared some Bay Area folks Thursday evening who thought they would soon be hit by a substantial earthquake.

Truckee earthquake triggers alert from early warning system
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Shake Alert is the West Coast's young, but working, earthquake warning system. On Thursday, it frightened some Bay Area residents when it sent alerts to their cell phones to brace for a magnitude 6.0 earthquake. KTVU's Tom Vacar reports.

Cluster of earthquakes jolt Truckee area; strongest a 4.7-magnitude shaker

The first was a 3.2-magnitude earthquake that struck around 9:26 p.m. It was centered roughly 11 miles from the town. Then at 9:35 p.m., a 4.7-magnitude quake jolted the area, followed by a 3.1-magnitude two minutes later.

Tiny overnight quakes recorded in the East Bay

Three very small earthquakes shook the Bay Area late Tuesday night and early Wednesday morning.

4.2-magnitude earthquake felt in North Bay

A 4.2-magnitude earthquake struck an area near Anderson Springs, Calif. on Monday, the United States Geological Survey said. 

San Francisco commemorates 115th anniversary of 1906 earthquake

115 years ago today, the Great Earthquake of 1906 sparked massive fires that destroyed about 80% of San Francisco. Residents woke up to tens of thousands of buildings collapsed and fires raged for days. At least 3,000 people died.

Three minor quakes recorded in the Bay Area

(KTVU) -- You may have been asleep and did not feel any of them, but three minor earthquakes were measured in the Bay Area early Saturday morning.

Series of quakes strike South LA, rattle Southern California

A series of quakes struck the South Los Angeles area within a half-hour on Monday morning and were felt across Southern California, waking up many residents. 

Preliminary 3.2-magnitude earthquake strikes near Huntington Park

A preliminary 3.2-magnitude earthquake struck Thursday morning near Huntington Park, according to the U.S. Geological Survey. 

With 'big one' around the corner, quake alert system launches in Oregon

People in Oregon will be better prepared for earthquakes — particularly important in the Pacific Northwest because experts say “the big one" is coming — as an early warning system launched Thursday.

Japan marks 10 years since earthquake triggered tsunami and nuclear crisis

Japan fell quiet at 2:46 p.m. to mark the minute that an earthquake began 10 years ago, before setting off a tsunami and nuclear crisis that devastated the country’s northeast coast.

Strong quake hits Japan's northeast coast; no tsunami alert

A strong earthquake hit off the coast of northeastern Japan late Saturday, shaking Fukushima, Miyagi and other areas, but there was no threat of a tsunami, officials said.

Powerful quake strikes New Zealand, prompting tsunami warnings

The U.S. Geological Agency said the magnitude 7.7 quake was centered at a depth of 10 kilometers (six miles) southeast of the Loyalty Islands. The shaking was not expected to cause significant damage or fatalities on land.

Small earthquake rattles the East Bay

The quake was centered in Concord, about three miles from Pleasant Hill.

4.2 quake felt across Bay Area

A 4.2-magnitude earthquake struck near Salinas on Saturday night and was felt across the Bay Area.