Information about the earthquake: mag of light. Earthquake 3.7 km east of El Centro, Imperial County, California, United States on Wednesday, April 7, 2021 at 8:52 p.m. (GMT -7)
By Light magnitude earthquake 3.7 to 16 km deep
April 8 03:55 UTC: First to report: USGS after 3 minutes.
April 8 04:11: Depth of the hypocenter recalculated from 14.0 to 16.2 km (from 8.7 to 10.1 mi).
Update Thu April 8 2021, 04:00
Magnitude 3.7 earthquake strikes near El Centro, Imperial County, California, United States
3.7 earthquake April 7 20:52 (GMT -7)
Just 8 minutes ago, a 3.7 magnitude earthquake struck near El Centro, Imperial County, California, United States. The tremor was recorded on the evening of Wednesday, April 7, 2021 at 8:52 p.m. local time, at a shallow depth of 8.7 miles below the surface.
The event was classified by the United States Geological Survey, the first seismological agency to report it.
Our monitoring service identified a second report from the Euro-Mediterranean Seismological Center (EMSC) which also listed the earthquake at a magnitude of 3.7.
Based on preliminary seismic data, the quake should not have caused significant damage, but was likely felt by many as a slight vibration in the epicenter area.
Weak tremors may have been felt in Holtville (population 6,400) 4 miles from epicenter, Heber (4,300) 7 miles, El Centro (44,000) 8 miles, Calexico (40,100 inhabitants) 8 miles, Imperial (17,100 inhabitants) 15 km and Mexicali (689,800 inhabitants) 18 km.
Other towns or cities near the epicenter where the earthquake could have been felt as very weak tremors include Santa Isabel (pop. 29,300) located 13 miles from the epicenter, Brawley (pop. 25,900) at 15 miles and Puebla (pop. 15,200) 15 miles away.
Earthquake data
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Date and hour : April 8, 2021 03:52:08 UTC –
Local time at epicenter: Wednesday April 7, 2021 8:52 p.m. (GMT -7)
Magnitude: 3.7
Depth: 16.2 km
Latitude / longitude of epicenter: 32.77533 ° N / 115.43283 ° W?? 
(Imperial, California, United States)
Antipode: 32.775 ° S / 64.567 ° E??
Nearest volcano: Buttes Salton (50 km / 31 mi)
Nearby towns and villages:
6 km (4 mi) southwest of Holtville (pop: 6,400) -> See earthquakes nearby!
12 km (8 mi) east of El Centro (pop: 44,000) -> See earthquakes nearby!
12 km (8 mi) NNE of Calexico (pop: 40,100) -> See earthquakes nearby!
15 km (9 mi) ESE of Imperial (pop: 17,100) -> See earthquakes nearby!
17 km (10 mi) N of Mexicali (Baja California, Mexico) (pop: 689,800) -> See earthquakes nearby!
21 km (13 mi) northeast of Santa Isabel (Baja California, Mexico) (pop: 29,300) -> See earthquakes nearby!
24 km (15 mi) to SSE of Brawley (Imperial County) (pop: 25,900) -> See earthquakes nearby!
24 km (15 mi) NNW of Puebla (Baja California, Mexico) (pop: 15,200) -> See earthquakes nearby!
40 km (25 mi) to SSE of Calipatria (pop: 7,420) -> See earthquakes nearby!
846 km (526 mi) southeast of Sacramento (pop: 490,700) -> See earthquakes nearby!
Clear sky
29.6 ° C (85 F), humidity: 18%, wind: 8 m / s (15 kts) from WSWMain data source: USGS (United States Geological Survey)
Estimated energy released: 2.2 x 10ten joules (6.22 megawatt hours, equivalent to 5.35 tonnes of TNT) More information
Data for the same earthquake reported by different agencies
Info: The more agencies report the same earthquake and publish similar data, the more confidence you can have in the data. It normally takes up to a few hours for the seismic parameters to be calculated with near optimum accuracy.
| Mag. | Depth | Site | Source |
| 3.7 | 16 km | 6 km on the southwest of Holtville, CA, USA | USGS |
| 3.5 | 23 km | SOUTH CALIFORNIA, UNITED STATES | EMSC |
