A minor earthquake with magnitude 3.6 (ml/mb) was detected on Saturday, 27 kilometers (17 miles) from Petrolia in CA. The 3.6-magnitude earthquake was detected at 16:55:00 / 4:55 pm (local time epicenter). Unique identifier: nc75224637. Ids that are associated to the event: nc75224637. The epicenter of the earthquake was roughly 20.620000839233 km (13 miles) below the earth’s surface. Exact location of event, longitude -124.60050201416 West, latitude 40.301498413086 North, depth = 20.620000839233 km. Exact time and date of event in UTC/GMT: 16/08/25 / 2025-08-16 16:55:00 / August 16, 2025 @ 4:55 pm.

Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was McKinleyville, Arcata, Bayside (min 5000 pop). Epicenter of the event was 67 km (41 miles) from Eureka (c. 27 200 pop), 77 km (48 miles) from Arcata (c. 17 200 pop), 75 km (47 miles) from Bayside (c. 17 100 pop), 83 km (52 miles) from McKinleyville (c. 15 200 pop), 50 km (31 miles) from Fortuna (c. 11 900 pop).

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 27 km W of Petrolia, CA.

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