M4.7 earthquake near Eureka, California
3131 d ago · 23 Mar 2018, 03:09 UTC 22km WNW of Petrolia, CA
A tsunami flag was raised for this event. This does not mean a tsunami occurred. Always follow official tsunami warning centres and local authorities.
What happened
A magnitude 4.7 earthquake struck 22km WNW of Petrolia, CA on 23 Mar 2018, 03:09 UTC at a depth of 25 km.
Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.
The nearest town in our records is Eureka, about 51 km away in California, United States.
Timeline
First reported by USGS
17 Oct 2026, 08:57 UTC
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