IMPERIAL COUNTY, CA — Friday morning, a 4.3 magnitude quake was reported near Calipatria, according to the U.S. Geological Survey.

The tremor shook the region at 2:55 a.m. It occurred at a depth of 7 miles with the epicenter located about 7 miles west-northwest of Calipatria.

Did you feel it?

If you noticed the earthquake, you can share your experience using the USGS Felt Report form. The agency has received 43 responses on its online form so far, from people reporting they experienced the quake. Light shaking was detected, and people in several cities—such as Whittier, Carlsbad, Imperial and Brawley—reported experiencing the tremor, according to the USGS DYFI report.

Impact and estimated losses

Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage. Recent earthquakes in this area have caused secondary hazards such as landslides and liquefaction that might have contributed to losses.

Structure information summary
Overall, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are unreinforced brick masonry and reinforced masonry construction.

Historical information
A magnitude 6.6 earthquake 315 km northwest of this event struck San Fernando, California on February 9, 1971 (UTC), with estimated population exposures of 319,000 at intensity VIII and 21,000 at intensity IX or greater, resulting in a reported 65 fatalities.

Earthquakes past week

Four quakes of magnitude 2.5 or greater have been registered in the region over the last week. The most significant was a 3.7 magnitude earthquake that rattled near Borrego Springs prior to this quake.

The four largest earthquakes nearby in the last week:

• 3.7, west of Borrego Springs on July 10
• 3.4, west-northwest of Calipatria on July 11
• 3.1, west-northwest of Calipatria on July 11
• 2.5, northwest of Progreso, B.C. on July 4

Source: The U.S. Geological Survey