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Two earthquakes, magnitudes 4.0 and 3.9, shake in Northern California

Two earthquakes struck different parts of Northern California early Thursday morning, according to the U.S. Geological Survey ...

Mega Tsunami warning issued as Cascadia earthquake could impact millions in US, urgent evacuation plans needed

The risk of a devastating mega-tsunami from the Cascadia Subduction Zone highlights the need for improved evacuation plans.
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5.7-magnitude earthquake hits off Northern California coast

An earthquake with a preliminary magnitude of 5.7 struck 17 miles west of Petrolia in Northern California on Wednesday.
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Raw footage of earthquake and damage from Northern California

While California is no stranger to earthquakes, this 6.1-magnitude event was the largest to hit the region since the 1989 Loma Prieta quake that had a magnitude of 6.9.

1,000 foot mega-tsunami could wipe out large parts of America? These US states face maximum threat from monster wave

US Pacific Coast faces potential devastation from a mega-tsunami triggered by a major earthquake in the Cascadia Subduction ...
ABC77y

Preliminary-magnitude 5.7 earthquake strikes off Northern California ...

A preliminary-magnitude 5.7 earthquake struck off the coast of Northern California on Friday afternoon, but there was no threat of a tsunami, officials said.

Southern California rocked by more earthquakes Aug. 6 — here's the biggest and how many

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data from the U.S. Geological Survey.