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4.5 Magnitude Earthquake Strikes Near Alderpoint in Northern California
ANTHONY SITE PHOTO
By Anthony W. Haddad
Published 60 minutes ago on
August 5, 2026

A preliminary magnitude 4.5 earthquake struck about 13 miles southeast of Alderpoint, California, at 3:21 p.m. PT Wednesday, according to automatic U.S. Geological Survey data that had not yet been reviewed by a scientist. (USGS)

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A magnitude 4.5 earthquake struck about 13 miles southeast of Alderpoint in Northern California on Wednesday afternoon, according to preliminary automatic data from the U.S. Geological Survey.

The quake occurred at 3:21 p.m. Pacific time at a depth of about 5.6 miles.

The epicenter was located at 40.026 degrees north latitude and 123.451 degrees west longitude, about 13 miles southeast of Alderpoint.

The preliminary location was based on data from 27 stations. The event had an estimated magnitude uncertainty of plus or minus 0.2 and a location uncertainty of about 4.5 miles.

The information was generated automatically and had not been reviewed by a scientist, the website shows.

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Anthony W. Haddad,
Multimedia Journalist
Anthony W. Haddad, who graduated from Cal Poly San Luis Obispo with his undergraduate degree and attended Fresno State for a MBA, is the Swiss Army knife of GV Wire. He writes stories, manages social media, and represents the organization on the ground.
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