Tsunamis pose a risk to the entirety of the California coast. But should a major one strike, how bad could it be?

A minor, 3.6-magnitude earthquake struck in Northern California on Monday, according to the United States Geological Survey.

Those estimates were issued by the California Geological Survey and published in the city of Los Angeles' hazard mitigation plan. Damage estimate from distant-source tsunami: More than $1.4 billion.

Those estimates were issued by the California Geological Survey and published in the city of Los Angeles' hazard mitigation plan. Damage estimate from distant-source tsunami: More than $1.4 billion.

A 2017 projection by the California Geological Survey found that even a smaller 6.9 magnitude quake along San Diego's Rose Canyon Fault would cause $38 billion in damage and up to 800 deaths.

An early morning 3.6-magnitude earthquake woke parts of Northern California, the U.S. Geological Survey reported. The ...

And in the San Francisco Bay Area, near-shore tsunami could cause waves to surge 4 feet above mean sea level at San Francisco's Aquatic Park, Alcatraz Island, Redwood City and Richmond; 5 feet in ...

Near-shore tsunamis, those triggered by earthquakes just off the coast, could pose a particularly dire risk for California's heavily populated coastal communities.

A preliminary 3.7 magnitude earthquake struck Friday morning near the Northern California city of Redding, according to the ...