Here's why a tsunami warning was sent

5.3 earthquake shakes Northern California
An earthquake with a preliminary magnitude of 5.3 struck in the Pacific Ocean about 45 miles west-northwest of Petrolia, at 11:21 p.m. Saturday, the U.S. Geological Survey said.
Here's why a tsunami warning was sent after the 7.0 earthquake in Northern California
A tsunami warning for the Bay Area after the earthquake in Northern California might have come as a surprise. Here's why it was sent.
7.0 magnitude earthquake reported off Northern California coast, tsunami warning canceled
A 7.0 magnitude earthquake was reported in northern California on Thursday, according to the United States Geological Survey.
What We Know About the 7.0 Earthquake That Struck Northern California
State and local officials were working to assess the full scope of the damage, but early reports appeared to show that the quake did not cause major destruction.
7.0 earthquake off Northern California prompts brief tsunami warning
The National Weather Service has canceled its tsunami warning for the U.S. West Coast after there was a 7.0 magnitude earthquake. According to the U.S.
Magnitude 4.2 earthquake shakes off Northern California coast
A 4.2 earthquake shook off the Northern California coast early Tuesday morning, according to the United States Geological Survey.
Does the Northern California earthquake impact the chance of a ‘big one?’
The preliminary magnitude 7.0 earthquake reignited long-held fears of the fabled "big one" hitting in California, which typically refers to a potential magnitude 8.0 that causes widespread destruction and devastation.
Map: 7.0-Magnitude Earthquake Shakes Northern California
A major, 7.0-magnitude earthquake struck in the North Pacific Ocean on Thursday, according to the United States Geological Survey. The temblor happened at 10:44 a.m. Pacific time about 40 miles southwest of Ferndale, Calif., data from the agency shows. U.S.G.S. data earlier reported that the magnitude was 6.6.
7.0 earthquake hits off Northern California coast; tsunami warning canceled
A large, 7.0-magnitude earthquake struck off the coast of Humboldt County in Northern California on Thursday morning, prompting a tsunami warning for part of the North Coast. The warning was later canceled.
History of powerful tsunamis on the Northern California coast
The Pacific West Coast has the highest risk levels of tsunamis in the United States. Here’s where they have stuck in Northern California.
Late-night 5.2-magnitude quake rattles Northern California coast, seismologists say
A late-night 5.2-magnitude earthquake shook the Pacific Ocean off the Northern California coastline, the U.S. Geological ...
Northern California earthquake prompts an endangered Death Valley fish species to get busy
The magnitude 7.0 earthquake that rattled a large swath of Northern California likely increased spawning activity in fish to ...
Earthquake off northern California shook the water in Devils Hole, 500 miles away
The endangered yet ruthlessly resilient Devils Hole Pupfish that live in Death Valley National Park just had quite a shock.