M1.8 earthquake 23km WNW of Ludlow, CA

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Fri, Jul 30, 2021, 6:18 AM PDT

UTC

2021-07-30 13:18:46 UTC

Depth

3.1 km (2.0 mi), shallow

Epicenter

34.825° N, 116.379° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.10

Depth from

From location

Station coverage gap

69°

Stations used

30

• Yermo, CaliforniaPopulation 623. Forecast41 kmESE
• Barstow, CaliforniaPopulation 23,692. Forecast59 kmE
• Victorville, CaliforniaPopulation 122,225. Forecast89 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast191 kmENE

After

1. 1.511km ENE of Yucaipa, CAFri, Jul 30, 3:52 PM PDT · 1891 days ago · 13 km deep · 98 km away
2. 1.838km SSE of Fort Irwin, CAMon, Aug 2, 2:58 AM PDT · 1889 days ago · 3 km deep · 20 km away
3. 1.910km WSW of Morongo Valley, CAMon, Aug 2, 3:20 AM PDT · 1889 days ago · 13 km deep · 94 km away
4. 2.733km SW of Tecopa, CAMon, Aug 2, 6:44 PM PDT · 1888 days ago · 3 km deep · 96 km away
5. 1.540km SW of Ludlow, CAMon, Aug 2, 8:19 PM PDT · 1888 days ago · 1 km deep · 37 km away · felt by 1
6. 1.711km SSE of Big Bear Lake, CAWed, Aug 4, 8:06 AM PDT · 1887 days ago · 7 km deep · 88 km away
7. 2.79km NNW of Big Bear City, CAWed, Aug 4, 6:23 PM PDT · 1886 days ago · 2 km deep · 70 km away · felt by 9
8. 1.86km NW of Desert Hot Springs, CASun, Aug 8, 7:33 AM PDT · 1883 days ago · 10 km deep · 94 km away
9. 1.614km SW of Ludlow, CASun, Aug 8, 10:58 PM PDT · 1882 days ago · 3 km deep · 21 km away
10. 1.828km E of Barstow, CAMon, Aug 9, 8:44 PM PDT · 1881 days ago · 1 km deep · 33 km away
11. 1.926km N of Yucca Valley, CASun, Aug 15, 5:41 PM PDT · 1875 days ago · 3 km deep · 54 km away
12. 3.13km NNW of Yucca Valley, CAMon, Aug 16, 11:59 AM PDT · 1875 days ago · 4 km deep · 76 km away · felt by 44
13. 2.213km NNE of Cabazon, CAWed, Aug 18, 7:39 PM PDT · 1872 days ago · 10 km deep · 94 km away · felt by 1
14. 1.817km S of Big Bear City, CAThu, Aug 19, 12:02 AM PDT · 1872 days ago · 6 km deep · 89 km away
15. 2.09km S of Joshua Tree, CASat, Aug 21, 8:39 PM PDT · 1869 days ago · 7 km deep · 86 km away
16. 1.525km N of Yucca Valley, CASun, Aug 22, 4:04 PM PDT · 1868 days ago · 11 km deep · 55 km away
17. 1.813km W of Ludlow, CASat, Aug 28, 12:11 AM PDT · 1863 days ago · 6 km deep · 13 km away
18. 1.914km NE of Big Bear City, CAThu, Sep 2, 9:43 AM PDT · 1858 days ago · 3 km deep · 62 km away
19. 1.67km NW of Big Bear City, CAThu, Sep 2, 11:45 PM PDT · 1857 days ago · 9 km deep · 74 km away
20. 1.97km NW of Big Bear City, CAThu, Sep 2, 11:48 PM PDT · 1857 days ago · 9 km deep · 74 km away
21. 1.728km N of Yucca Valley, CASun, Sep 5, 9:53 PM PDT · 1854 days ago · 4 km deep · 52 km away
22. 2.03km ESE of Yucca Valley, CAMon, Sep 6, 2:18 AM PDT · 1854 days ago · 10 km deep · 80 km away
23. 1.63km SSE of Yucca Valley, CAThu, Sep 9, 2:32 PM PDT · 1850 days ago · 10 km deep · 82 km away
24. 1.64km S of Lucerne Valley, CASun, Sep 12, 2:53 AM PDT · 1848 days ago · 8 km deep · 71 km away
25. 1.54km ENE of Big Bear City, CAMon, Sep 13, 12:09 AM PDT · 1847 days ago · 8 km deep · 72 km away
26. 1.826km N of Yucca Valley, CAThu, Sep 16, 5:41 PM PDT · 1843 days ago · 5 km deep · 54 km away · felt by 1
27. 2.28km SSE of Big Bear City, CAThu, Sep 16, 6:52 PM PDT · 1843 days ago · 11 km deep · 81 km away
28. 1.713km SE of Big Bear City, CATue, Sep 21, 4:27 AM PDT · 1839 days ago · 0 km deep · 78 km away
29. 1.813km SE of Big Bear City, CATue, Sep 21, 10:07 AM PDT · 1839 days ago · 1 km deep · 78 km away
30. 2.212km NNE of Barstow, CAWed, Sep 22, 9:47 PM PDT · 1837 days ago · 4 km deep · 56 km away
31. 1.820km NNW of Barstow, CAFri, Sep 24, 11:42 AM PDT · 1836 days ago · 5 km deep · 69 km away
32. 1.813km NNE of Banning, CASat, Sep 25, 1:06 PM PDT · 1835 days ago · 14 km deep · 97 km away

Before

1. 2.014km ENE of Yucaipa, CAFri, Jul 30, 12:30 AM PDT · 1892 days ago · 8 km deep · 97 km away · felt by 1
2. 2.428km NNW of Yucca Valley, CAMon, Jul 26, 10:20 PM PDT · 1895 days ago · 3 km deep · 54 km away · felt by 1
3. 1.612km E of Yucaipa, CAMon, Jul 19, 1:11 PM PDT · 1903 days ago · 18 km deep · 99 km away
4. 1.817km SW of Ludlow, CAMon, Jul 19, 10:44 AM PDT · 1903 days ago · 4 km deep · 24 km away
5. 1.911km SSE of Big Bear Lake, CASun, Jul 18, 10:48 AM PDT · 1904 days ago · 7 km deep · 88 km away
6. 1.59km N of Cabazon, CASat, Jul 17, 7:30 AM PDT · 1905 days ago · 9 km deep · 100 km away
7. 2.13km SW of Morongo Valley, CATue, Jul 13, 5:13 PM PDT · 1908 days ago · 10 km deep · 91 km away
8. 2.123km WNW of Ludlow, CATue, Jul 13, 6:25 AM PDT · 1909 days ago · 3 km deep · 0 km away
9. 1.65km NNE of Running Springs, CATue, Jul 13, 5:17 AM PDT · 1909 days ago · 5 km deep · 91 km away
10. 2.45km NNE of Running Springs, CAMon, Jul 12, 12:11 PM PDT · 1910 days ago · 5 km deep · 92 km away
11. 1.813km S of Twentynine Palms, CAFri, Jul 9, 7:09 PM PDT · 1912 days ago · 12 km deep · 94 km away
12. 1.737km ENE of Lucerne Valley, CAFri, Jul 9, 7:09 PM PDT · 1912 days ago · 1 km deep · 40 km away
13. 1.824km SSW of Ludlow, CAThu, Jul 8, 6:00 AM PDT · 1914 days ago · 1 km deep · 34 km away
14. 1.77km NNE of Running Springs, CAThu, Jul 8, 4:22 AM PDT · 1914 days ago · 2 km deep · 89 km away
15. 2.07km N of Yucca Valley, CAWed, Jul 7, 3:47 PM PDT · 1914 days ago · 9 km deep · 72 km away · felt by 1
16. 1.640km NE of Big Bear City, CAWed, Jul 7, 2:07 PM PDT · 1914 days ago · 2 km deep · 41 km away
17. 1.833km S of Fort Irwin, CATue, Jul 6, 6:26 PM PDT · 1915 days ago · 3 km deep · 30 km away
18. 1.936km ENE of Lucerne Valley, CAMon, Jul 5, 5:27 PM PDT · 1916 days ago · 1 km deep · 40 km away
19. 2.813km W of Ludlow, CAMon, Jul 5, 4:01 PM PDT · 1916 days ago · 4 km deep · 14 km away · felt by 4
20. 2.05km N of Running Springs, CASat, Jul 3, 7:38 AM PDT · 1919 days ago · 4 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci39758247. Read Sun, Oct 4, 2026, 8:22 AM UTC.