Magnitude 6.0 Earthquake in California Magnitude 6.0 Earthquake in California The USGS has up-to-date details on the July 8, 2021 event Release Date: July 8, 2021 A magnitude 6.0 earthquake struck Little Antelope Valley, California near the Nevada border on July 8, 2021 at 3:49pm local time (July 8 at 22:49 UTC). Seismic instruments indicate the earthquake originated at a depth of 6 miles (9.8 kilometers). The earthquake struck about 20 miles southwest of Smith Valley, NV. Perceived shaking for the quake was very strong. The event was widely felt, with close to 15,000 "Did You Feel It?" reports thus far submitted. USGS scientists expect that this event will trigger aftershocks, but these will decrease in frequency over time. See the aftershock forecast for details.