A moderate seismic event measuring 4.70 on the Richter scale was recorded in the Pacific Ocean west of Northern California. The tremor occurred on February 05, 2026, at 12:49:28 UTC, approximately 112 kilometers west of the small coastal community of Petrolia, CA, placing the epicenter beneath the ocean floor.
Geographic monitoring confirms that the event originated in the defined offshore seismic zone west of Humboldt County. Preliminary analysis confirms the location using coordinates that define the center point 112 km W of Petrolia, CA. Further review of the specific focal depth is underway by the global monitoring network.
At the time the earthquake was registered, local weather stations along the coast reported stable conditions. The environment was characterized by a clear sky and a mild temperature of 13.2°C.
Our editorial team carefully monitors seismic data to provide in-depth analysis. Explore our real-time interactive Live Map for more details.