Moderate earthquake of magnitude 4.2 just reported 28 miles northwest of Santa Rosa, California, United States

Just 3 minutes ago, a 4.2-magnitude earthquake struck near Santa Rosa, Sonoma County, California, USA. The tremor was recorded after midnight on Thursday, January 8th, 2026, at 12:00 am local time, at a very shallow depth of 5.6 miles below the surface.
The event was filed by the United States Geological Survey, the first seismological agency to report it.
A second report was later issued by The Incorporated Research Institutions for Seismology (IRIS), which listed it as a magnitude 4.2 earthquake as well.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Cloverdale (pop. 8,800) located 8 miles from the epicenter, Clearlake (pop. 15,200) 16 miles away, and Windsor (pop. 27,500) 20 miles away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Santa Rosa (pop. 178,100) located 28 miles from the epicenter, Ukiah (pop. 15,900) 29 miles away, Rohnert Park (pop. 42,400) 35 miles away, Agua Caliente (pop. 27,100) 41 miles away, Petaluma (pop. 60,400) 43 miles away, and Napa (pop. 80,400) 49 miles away.

Earthquake data:
Date & time: Jan 8, 2026 08:00 am (Universal Time) local time (8 Jan 2026 08:00 GMT)
Magnitude: 4.0
Depth: 2.26 km
Epicenter latitude / longitude: 38.83°N / 122.88°W (Sonoma County, California, United States)
Primary data source: USGS
https://www.volcanodiscovery.com/earthquake/news/291364/Moderate-earthquake-of-magnitude-42-just-reported-28-miles-northwest-of-Santa-Rosa-California-United.html