Moderate tremor of magnitude 4.1 just reported 61 miles northwest of Ukiah, California, United States

The United States Geological Survey reported a magnitude 4.1 quake in the United States near Ukiah, Mendocino County, California, only 2 minutes ago. The earthquake hit in the afternoon on Tuesday, August 4th, 2026, at 5:25 pm local time at a very shallow depth of 5.6 miles. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
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 Alderpoint (pop. 190) located 14 miles from the epicenter, Covelo (pop. 1,300) 19 miles away, Redway (pop. 1,200) 21 miles away, Laytonville (pop. 1,200) 23 miles away, and Brooktrails (pop. 3,200) 40 miles away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Willits (pop. 4,900) located 42 miles from the epicenter, Fort Bragg (pop. 7,300) 44 miles away, and Ukiah (pop. 15,900) 61 miles away.


Earthquake data:
Date & time: Aug 5, 2026 12:25 am (Universal Time) local time (5 Aug 2026 00:25 GMT)
Magnitude: 4.0
Depth: 9.00 km
Epicenter latitude / longitude: 40.02°N / 123.45°W (Trinity County, California, United States)
Primary data source: USGS
https://www.volcanodiscovery.com/earthquake/news/322799/Moderate-tremor-of-magnitude-41-just-reported-61-miles-northwest-of-Ukiah-California-United-States.html