Earthquake swarm: More than 40 quakes reported off Oregon coast in 24 hours

More than 40 earthquakes were recorded in 24 hours off the Oregon coast, but experts say that the cluster of quakes is not cause for alarm.

More than 40 quakes reported off Oregon during earthquake swarm
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More than 40 earthquakes were recorded in 24 hours off the Oregon coast, but experts say that the cluster of quakes is not cause for alarm.

Drop, cover and hold on: The Great Washington ShakeOut happening Thursday morning

At 10:21 a.m. Thursday, hundreds of thousands of people in Washington state will participate in a major earthquake and tsunami drill as the Great Shakeout takes place. 

Seattle organization supporting Haitian children following earthquake

We now know more than half a million children are affected by the devastating earthquake in Haiti-- UNICEF estimates 1.2 million people, including 540,000 children, have been affected. 

Tsunami warning lifted after 8.2 earthquake off coast of Alaska

A tsunami warning and advisory issued for parts of Alaska after a large earthquake struck off the coast of the peninsula was lifted early Thursday morning.

Magnitude 6.7 earthquake strikes Philippines

The Philippines was struck by a magnitude 6.7 earthquake on Friday, the U.S. Geological Survey reported.

2.78 magnitude earthquake detected near Seattle

The Pacific Northwest Seismic Network (PNSN) has detected a near 3.0 magnitude earthquake in Seattle's Highline neighborhood.  

Aftershocks from magnitude 6 quake continue to rattle California, Nevada

Aftershocks have hit the region between Northern California and Nevada Friday after a magnitude 6 earthquake sent large boulders rolling into highways and knocked smaller items off shelves.

3.4 magnitude earthquake detected near Olympia

A 3.4 magnitude earthquake has been detected about 24 miles north of Olympia, according to the Pacific Northwest Seismic Network.

What we can learn from the 6.8 Nisqually earthquake 20 years later

On Feb. 28, 2001, a 6.8 magnitude earthquake hit Nisqually, injuring hundreds of people and causing billions of dollars in damage.

How to opt in for an earthquake alert test
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The state will be testing ShakeAlert, the earthquake detection and alarm system, on phones in King, Pierce and Thurston counties Thursday.

Earthquake warning system to roll out to Oregon, Washington

The earthquake early warning system known as ShakeAlert will be capable of delivering alerts directly to wireless devices in Oregon on March 11 and to Washington state in May, completing the West Coast rollout, the U.S. Geological Survey said Tuesday.

Earthquake felt in Portland, Vancouver areas

A Monday night earthquake was felt in Portland, Oregon and Vancouver, Washington.

Thousands of tremors shaking under Vancouver Island 'out of the ordinary,' but likely not a threat

Scientists with the Pacific Northwest Seismic Network are monitoring an uptick in tremors shaking under Vancouver Island, but they don't believe them to be potential hazards or major tectonic shifts.