RSS feed source: Volcano Discovery.com--Global earthquake monitor

Thu, 14 Aug 2025, 12:52 | BY: EARTHQUAKEMONITOR

A very shallow magnitude 3.8 earthquake was reported early morning near Santa Rosa, Sonoma County, California, USA.
According to the United States Geological Survey, the quake hit on Thursday, August 14th, 2025, at 5:48 am local time at a very shallow depth of 5.6 miles. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. 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.
A second report was later issued by The Incorporated Research Institutions for Seismology (IRIS), which listed it as a magnitude 3.8 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 Cobb (pop. 1,800) located 5 miles from the epicenter, Cloverdale (pop. 8,800) 11 miles away, and Clearlake (pop. 15,200) 14 miles away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Windsor (pop. 27,500) located 18 miles from the epicenter, Santa Rosa (pop. 175,000) 26 miles away, Ukiah (pop. 15,900) 32

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RSS feed source: Volcano Discovery.com--Global earthquake monitor

Date and TimeMag
DepthDistanceLocationDetailsMap Jun 22, 03:14 pm (Los Angeles)

3.3

0.2 km3.9 km (2.4 mi) to the E 25 mi north of Santa Rosa, Sonoma County, California, United States 2 reportsInfoJun 8, 09:30 pm (GMT -7)

3.2

9.7 km98 km (61 mi) to the SE North Pacific Ocean, 5.5 mi north of Richmond, Contra Costa County, California, United States 321 reportsInfoMay 31, 10:40 am (GMT -7)

3.4

3.2 km5 km (3.1 mi) to the SE 24 mi north of Santa Rosa, Sonoma County, California, United States 2 reportsInfoMay 23, 02:32 pm (GMT -7)

3.0

0.4 km65 km (40 mi) to the E Colusa County, 23 mi northwest of Woodland, Yolo County, California, United States 2 reportsInfoMay 2, 05:35 pm (GMT -7)

3.7

2.3 km5.1 km (3.2 mi) to the E 24 mi north of Santa Rosa, Sonoma County, California, United States 6 reportsInfoApr 3, 11:31 pm (Los Angeles)

3.9

2.4 km3 km (1.9 mi) to the NW 27 mi north of Santa Rosa, Sonoma County, California, United States 7 reportsInfoMar 16, 07:13 pm (Los Angeles)

4.1

10.6 km78 km (48 mi) to the N Lake County, 27 mi northeast of Ukiah, Mendocino County, California, United States 2 reportsInfoJan 1, 07:34 pm (Los Angeles)

4.6

1.4 km7 km (4.4 mi) to the NE Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States 59 reportsInfoDec 9, 2024 10:55 pm (Los Angeles)

3.9

2.7 km2.4 km (1.5 mi) to the NE 27 mi north of Santa Rosa, Sonoma County, California, United States 4 reportsInfoDec 5, 2024 10:44 am (GMT -8)

7.0

10 km258 km (160 mi) to the NW 54 mi

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