4.9 Magnitude Quake Rattles Northern California

Epicenter struck near Boulder Creek, about 65 miles from San Francisco.

Apr. 2, 2026 at 6:28pm

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A 4.9 magnitude earthquake struck Northern California early Thursday morning, according to the United States Geological Survey. The quake's epicenter was located near the town of Boulder Creek, approximately 65 miles southeast of San Francisco, at a depth of 10.9 kilometers.

Why it matters

Northern California is prone to seismic activity, with the region experiencing several moderate earthquakes each year. While this quake did not cause any major damage, it serves as a reminder of the ongoing risk of earthquakes in the area and the need for residents to be prepared.

The details

The 4.9 magnitude earthquake was detected by the USGS at 6:15 AM local time on Thursday. The epicenter was located near the town of Boulder Creek, which is situated in the Santa Cruz Mountains about 65 miles south of San Francisco.

  • The earthquake struck at 6:15 AM local time on Thursday, April 2, 2026.

The players

United States Geological Survey

The USGS is a scientific agency of the United States government that studies the landscape, natural resources, and natural hazards of the United States.

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The takeaway

This earthquake serves as a reminder that Northern California remains seismically active, and residents should be prepared for the possibility of future quakes by having emergency supplies, securing their homes, and being aware of evacuation routes.