10 Earthquakes Slam the Humboldt Coast Overnight

Humboldt County residents were awakened by the rumblings of 10 earthquakes just off the coast on Sunday night into Monday morning. As of Monday morning, no tsunamis or damage has been reported.

The first earthquake to hit Sunday night was the largest, hitting 65 miles off the coast of Eureka and measuring in at 5.8 magnitude around 8 pm. It was followed by a 4.9 magnitude at 11:30 pm.

Map of the earthquakes from the USGS

Other than the two large earthquakes, a bevy of other earthquakes were felt off the coast throughout the night, including 8 more measuring in between 2.5 to 3.5 magnitude.

The North Coast has a history of tsunamis in the area due to its proximity of the active geological area of the nearby Mendocino Triple Junction, which is the confluence of the San Andreas Fault and Cascadia Subduction Zone. In 1964, Crescent City had a tsunami that killed 12 people and caused $15 million in damage.

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