M1.8 earthquake 28km E of Barstow, CA

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, Aug 9, 2021, 8:44 PM PDT

UTC

2021-08-10 03:44:40 UTC

Depth

1.4 km (0.9 mi), shallow

Epicenter

34.925° N, 116.721° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.13

Depth from

From location

Station coverage gap

75°

Stations used

17

• Yermo, CaliforniaPopulation 623. Forecast9 kmENE
• Barstow, CaliforniaPopulation 23,692. Forecast28 kmE
• Victorville, CaliforniaPopulation 122,225. Forecast68 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast170 kmNE

After

1. 1.722km ESE of Ridgecrest, CATue, Aug 10, 12:57 AM PDT · 1882 days ago · 8 km deep · 95 km away · felt by 1
2. 1.926km N of Yucca Valley, CASun, Aug 15, 5:41 PM PDT · 1877 days ago · 3 km deep · 69 km away
3. 3.13km NNW of Yucca Valley, CAMon, Aug 16, 11:59 AM PDT · 1876 days ago · 4 km deep · 91 km away · felt by 44
4. 2.213km NNE of Cabazon, CAWed, Aug 18, 7:39 PM PDT · 1873 days ago · 10 km deep · 99 km away · felt by 1
5. 1.817km S of Big Bear City, CAThu, Aug 19, 12:02 AM PDT · 1873 days ago · 6 km deep · 91 km away
6. 1.920km ESE of Ridgecrest, CAThu, Aug 19, 4:25 PM PDT · 1873 days ago · 7 km deep · 97 km away
7. 1.525km N of Yucca Valley, CASun, Aug 22, 4:04 PM PDT · 1870 days ago · 11 km deep · 70 km away
8. 1.813km W of Ludlow, CASat, Aug 28, 12:11 AM PDT · 1864 days ago · 6 km deep · 44 km away
9. 1.914km NE of Big Bear City, CAThu, Sep 2, 9:43 AM PDT · 1859 days ago · 3 km deep · 64 km away
10. 1.67km NW of Big Bear City, CAThu, Sep 2, 11:45 PM PDT · 1858 days ago · 9 km deep · 70 km away
11. 1.97km NW of Big Bear City, CAThu, Sep 2, 11:48 PM PDT · 1858 days ago · 9 km deep · 70 km away
12. 1.728km N of Yucca Valley, CASun, Sep 5, 9:53 PM PDT · 1855 days ago · 4 km deep · 66 km away
13. 2.03km ESE of Yucca Valley, CAMon, Sep 6, 2:18 AM PDT · 1855 days ago · 10 km deep · 95 km away
14. 1.63km SSE of Yucca Valley, CAThu, Sep 9, 2:32 PM PDT · 1852 days ago · 10 km deep · 97 km away
15. 1.64km S of Lucerne Valley, CASun, Sep 12, 2:53 AM PDT · 1849 days ago · 8 km deep · 62 km away
16. 1.54km ENE of Big Bear City, CAMon, Sep 13, 12:09 AM PDT · 1848 days ago · 8 km deep · 72 km away
17. 1.826km N of Yucca Valley, CAThu, Sep 16, 5:41 PM PDT · 1845 days ago · 5 km deep · 69 km away · felt by 1
18. 2.28km SSE of Big Bear City, CAThu, Sep 16, 6:52 PM PDT · 1844 days ago · 11 km deep · 82 km away
19. 1.520km S of Trona, CAThu, Sep 16, 11:53 PM PDT · 1844 days ago · 3 km deep · 93 km away
20. 1.626km S of Trona, CAFri, Sep 17, 5:17 AM PDT · 1844 days ago · 10 km deep · 91 km away
21. 1.719km S of Trona, CASat, Sep 18, 9:53 PM PDT · 1842 days ago · 6 km deep · 98 km away
22. 1.713km SE of Big Bear City, CATue, Sep 21, 4:27 AM PDT · 1840 days ago · 0 km deep · 82 km away
23. 1.813km SE of Big Bear City, CATue, Sep 21, 10:07 AM PDT · 1840 days ago · 1 km deep · 82 km away
24. 2.212km NNE of Barstow, CAWed, Sep 22, 9:47 PM PDT · 1838 days ago · 4 km deep · 23 km away
25. 1.820km NNW of Barstow, CAFri, Sep 24, 11:42 AM PDT · 1837 days ago · 5 km deep · 37 km away
26. 1.813km NNE of Banning, CASat, Sep 25, 1:06 PM PDT · 1836 days ago · 14 km deep · 99 km away
27. 2.216km ENE of Yucaipa, CAWed, Sep 29, 5:04 AM PDT · 1832 days ago · 12 km deep · 93 km away
28. 3.13km NNW of Yucca Valley, CAThu, Sep 30, 8:46 PM PDT · 1830 days ago · 7 km deep · 91 km away · felt by 103
29. 1.612km ESE of Lucerne Valley, CAFri, Oct 1, 10:21 PM PDT · 1829 days ago · 7 km deep · 61 km away

Before

1. 1.614km SW of Ludlow, CASun, Aug 8, 10:58 PM PDT · 1883 days ago · 3 km deep · 50 km away
2. 2.79km NNW of Big Bear City, CAWed, Aug 4, 6:23 PM PDT · 1888 days ago · 2 km deep · 66 km away · felt by 9
3. 1.711km SSE of Big Bear Lake, CAWed, Aug 4, 8:06 AM PDT · 1888 days ago · 7 km deep · 87 km away
4. 1.540km SW of Ludlow, CAMon, Aug 2, 8:19 PM PDT · 1889 days ago · 1 km deep · 49 km away · felt by 1
5. 2.733km SW of Tecopa, CAMon, Aug 2, 6:44 PM PDT · 1889 days ago · 3 km deep · 86 km away
6. 1.838km SSE of Fort Irwin, CAMon, Aug 2, 2:58 AM PDT · 1890 days ago · 3 km deep · 15 km away
7. 1.511km ENE of Yucaipa, CAFri, Jul 30, 3:52 PM PDT · 1893 days ago · 13 km deep · 97 km away
8. 1.823km WNW of Ludlow, CAFri, Jul 30, 6:18 AM PDT · 1893 days ago · 3 km deep · 33 km away
9. 2.014km ENE of Yucaipa, CAFri, Jul 30, 12:30 AM PDT · 1893 days ago · 8 km deep · 96 km away · felt by 1
10. 2.428km NNW of Yucca Valley, CAMon, Jul 26, 10:20 PM PDT · 1896 days ago · 3 km deep · 66 km away · felt by 1
11. 1.612km E of Yucaipa, CAMon, Jul 19, 1:11 PM PDT · 1904 days ago · 18 km deep · 99 km away
12. 1.817km SW of Ludlow, CAMon, Jul 19, 10:44 AM PDT · 1904 days ago · 4 km deep · 52 km away
13. 1.911km SSE of Big Bear Lake, CASun, Jul 18, 10:48 AM PDT · 1905 days ago · 7 km deep · 88 km away
14. 1.532km ENE of Johannesburg, CAFri, Jul 16, 4:40 PM PDT · 1907 days ago · 7 km deep · 81 km away
15. 2.123km WNW of Ludlow, CATue, Jul 13, 6:25 AM PDT · 1910 days ago · 3 km deep · 33 km away
16. 1.65km NNE of Running Springs, CATue, Jul 13, 5:17 AM PDT · 1910 days ago · 5 km deep · 83 km away
17. 2.45km NNE of Running Springs, CAMon, Jul 12, 12:11 PM PDT · 1911 days ago · 5 km deep · 83 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci39769191. Read Mon, Oct 5, 2026, 1:00 PM UTC.