Earthquake Information: Mag Minor. 0.8 earthquake
Minor earthquake of magnitude 0.8 to 5 km deep
September 4 00:31 UTC: First to report: USGS after 3 minutes.
Sep 4 00:33: Magnitude recalculated from 1.2 to 0.8. Depth of the hypocenter recalculated from 3.9 to 4.7 km (2.4 to 2.9 mi). Epicenter location corrected 0.8 km (0.5 mi) to the SE.
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Date and time: Sep 4, 2021 00:28:54 UTC –
Local time at epicenter: Friday Sep 3, 2021 5:28 pm (GMT -7)
Magnitude: 0.8
Depth: 4.7 km
Latitude / longitude of epicenter: 35.403 ° N / 117.749 ° W↗ 
(California, United States)
Antipode: 35.403 ° S / 62.251 ° E↗
Nearest volcano: Coso (69 km / 43 mi)
Nearby towns and villages:
9 km (6 mi) to the WNW of Randsbourg (pop: 69) -> See nearby earthquakes!
25 km (16 mi) SSO of Crest of ridges (pop: 28,800) -> Observe the earthquakes nearby!
71 km (44 mi) NNE of Rosemonde (County of Kern) (pop: 18,200) -> See nearby earthquakes!
86 km (53 mi) NNE of Lancaster (pop: 161,100) -> See nearby earthquakes!
87 km (54 mi) northwest of Barstow Heights (San Bernardino County) (pop: 24,200) -> See nearby earthquakes!
87 km (54 mi) northwest of Barstow Heights (San Bernardino County) (pop: 24,200) -> See nearby earthquakes!
96 km (60 mi) NNW of Adelanto (San Bernardino County) (pop: 33,200) -> Observe the earthquakes nearby!
98 km (61 mi) NNE of Palmdale (pop: 158,400) -> Observe the earthquakes nearby!
115 km (72 mi) east of Bakersfield (pop: 373,600) -> Observe the earthquakes nearby!
157 km (97 mi) NNE of Los Angeles (pop: 3 971 900) -> Watch the earthquakes nearby!
Clear sky
35 ° C (95 F), humidity: 7%, wind: 5 m / s (10 kts) from SSWMain data source: USGS (United States Geological Survey)
Estimated energy released: 1×106 joules (0.278 kilowatt-hours) More info
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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 |
| 0.8 | 4.7 km | 11 km at WNW in Johannesburg, CA | USGS |
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At a magnitude of 0.8, such an earthquake would not normally be felt by people, but could be recorded instrumentally.
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