M 3.4 Earthquake Recorded 6 km West of Cobb, California
A minor magnitude 3.4 earthquake occurred near Cobb, California, on March 18, 2026. The shallow tremor was felt by 16 residents but did not trigger any tsunami advisories.
What Happened
A minor earthquake with a magnitude of 3.36 (ml) was detected 6 km West of Cobb, California. The seismic event occurred at 05:25:32 UTC on March 18, 2026, which corresponds to 10:25:32 PM PDT on March 17 local time.
Location Details
The earthquake’s epicenter was located at coordinates 38.8268°N, 122.7953°W. The tremor originated at a depth of 3.3 km, which is categorized as a shallow earthquake. Shallow events, occurring at depths of less than 20 km, are typically felt more intensely by those in the immediate vicinity than deeper seismic activity.
Impact Assessment
As of the latest report, 16 people have submitted felt reports to the USGS. There is no tsunami advisory, watch, or warning associated with this event. No specific alert level color has been issued for this tremor.
What You Should Know
Earthquakes with magnitudes between 2.5 and 3.9 are considered minor. These events are often felt by residents but rarely result in damage to buildings or infrastructure. Residents in the area should be mindful of the potential for minor aftershocks, which are common following seismic activity in this region.
Source
Data provided by the USGS Earthquake Hazards Program.
Source: USGS Official Notice