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.
Why Didn’t California’s 7.0 Earthquake Cause a Tsunami?
On December 5, authorities alerted the public of a potential tsunami from a 7.0 earthquake in the waters of Northern California. But why didn't it happen?
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.
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 ...
A ‘non-destructive’ tsunami was spotted after California’s earthquake. Simulations show the dangers of a real one
The 7.0 earthquake earlier this month led to a tsunami warning that was quickly canceled by forecasters but officials have ...
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In California's 'earthquake country,' a 7.0 temblor prompts confusion and a tsunami warning
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Earthquake off northern California shook the water in Devils Hole, 500 miles away
The water in Devils Hole is typically still. The pool is sheltered from wind and is at the bottom of a collapsed cave. According to the National Park Service, the unusual waves disrupted the shallow ...
‘We live in earthquake country’: What California’s 7.0 teaches us about a future ‘really big one’ in Oregon
The Cape Mendocino earthquake was a reminder, and even a dry run, for a much bigger event that could cause catastrophic ...