A minor earthquake with magnitude 2.92 (ml/mb) was detected on Saturday, 25 kilometers (16 miles) from Petrolia in CA. Exact location of event, longitude -124.56433105469 West, latitude 40.253665924072 North, depth = 17 km. The earthquake was roughly at a depth of 17 km (11 miles). Id of earthquake: nc75283236. Event ids that are associated: nc75283236. Exact time and date of event in UTC/GMT: 20/12/25 / 2025-12-20 08:28:33 / December 20, 2025 @ 8:28 am. The temblor was reported at 08:28:33 / 8:28 am (local time epicenter).

Event epicenter was 70 km (43 miles) from Eureka (c. 27 200 pop), 78 km (48 miles) from Bayside (c. 17 100 pop), 52 km (32 miles) from Fortuna (c. 11 900 pop). Closest city/cities/towns to epicentrum/hypocenter was Bayside, Eureka, Fortuna (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days five and in the last 365 days one hundred and twenty-four earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 25 km WSW of Petrolia, CA.

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