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

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

Did you feel it?

If you noticed the earthquake, you can share your observations using the USGS Felt Report form. 39 people have submitted responses through the agency’s online form, saying they felt the quake. Light shaking was observed, and people in a number of cities—including Carlsbad, Imperial, Brawley and Calipatria—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 last week

In the past week, there have been four quakes of magnitude 2.5 or higher centered nearby. The largest one was a 3.7 magnitude earthquake that was registered close to 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