By admin 
A moderate earthquake struck Northern California’s Mendocino County on Wednesday morning, triggering ShakeAlert notifications across a wide swath of the state, including the Sacramento region.
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The magnitude 5.6 quake struck at 8:10 a.m. about 7 miles north of Redwood Valley, just north of Ukiah, according to the U.S. Geological Survey. The epicenter was about 70 miles north of Santa Rosa, 108 miles northwest of Sacramento and 113 miles south of Arcata.
The USGS said the quake occurred at a depth of about 5 miles.
Residents across the Sacramento region reported receiving ShakeAlert earthquake warnings on their phones before shaking from the distant quake reached the area, though many reported they did not feel it.
The alerts are designed to give people farther from an earthquake’s epicenter several seconds of warning before seismic waves arrive.
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As of Wednesday morning, the USGS had not reported any injuries or damage.
Gov. Gavin Newsom’s office said the governor had been briefed on the earthquake and that state officials were monitoring the situation.
“The Governor’s Office is closely coordinating with emergency officials and assessing potential impacts and damage,” the Governor’s Office said.
According to The Sacramento Bee’s automated earthquake bot, the area has experienced four tremors of magnitude 2.5 or above. The biggest, a 3.1 magnitude quake, was detected close to The Geysers on Saturday.
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This is a developing story; check back with sacbee.com for updates.
This story was originally published June 24, 2026 at 8:25 AM.