The /*U.S. Geological Survey*/ is reporting the third earthquake with a preliminary magnitude of 1.7 struck at about 2:16 a.m. today in Contra Costa County. According to the USGS, the earthquake had a depth of 3.3 miles and was centered 4 miles east of Moraga and 5 miles west of Danville near the Las Trampas Regional Wilderness area.
The first earthquake in the area with a preliminary magnitude of 3.0 struck at about 1:50 a.m., the USGS reported. The quake had a depth of 4.5 miles and was centered in the same location near the wilderness area.
The U.S. Geological Survey reported that another earthquake with a preliminary magnitude of 3.5 struck shortly after the first at about 2:02 a.m. According to the USGS, the quake had a depth of 4.8 miles and was centered in the same area.
Danville residents awoke to the shaking, and reported feeling the second, stronger earthquake almost immediately after the first.