M1.7 earthquake 20km SSW of Ludlow, CA

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Wed, Apr 7, 2021, 7:58 AM PDT

UTC

2021-04-07 14:58:10 UTC

Depth

3.0 km (1.8 mi), shallow

Epicenter

34.561° N, 116.254° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.21

Depth from

From location

Station coverage gap

69°

Stations used

21

• Joshua Tree, CaliforniaPopulation 7,414. Forecast48 kmN
• Twentynine Palms, CaliforniaPopulation 26,025. Forecast51 kmNNW
• Victorville, CaliforniaPopulation 122,225. Forecast95 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast191 kmENE

After

1. 2.422km NNE of Barstow, CAWed, Apr 7, 11:20 AM PDT · 2005 days ago · 3 km deep · 87 km away · felt by 2
2. 2.922km NNE of Barstow, CAWed, Apr 7, 1:41 PM PDT · 2005 days ago · 2 km deep · 88 km away · felt by 2
3. 1.84km NNW of Yucca Valley, CAWed, Apr 7, 2:22 PM PDT · 2005 days ago · 6 km deep · 49 km away
4. 1.74km NNW of Yucca Valley, CAWed, Apr 7, 2:33 PM PDT · 2005 days ago · 5 km deep · 49 km away
5. 1.810km NNE of Running Springs, CAWed, Apr 7, 3:08 PM PDT · 2005 days ago · 5 km deep · 81 km away
6. 1.68km E of Cabazon, CAWed, Apr 7, 4:52 PM PDT · 2005 days ago · 14 km deep · 82 km away
7. 1.527km N of Yucca Valley, CAWed, Apr 7, 6:08 PM PDT · 2005 days ago · 5 km deep · 29 km away
8. 1.67km NE of Banning, CAThu, Apr 8, 1:05 PM PDT · 2004 days ago · 9 km deep · 84 km away
9. 3.12km N of Cabazon, CAThu, Apr 8, 5:33 PM PDT · 2004 days ago · 15 km deep · 85 km away · felt by 68
10. 3.04km NNW of Yucca Valley, CAFri, Apr 9, 8:57 PM PDT · 2003 days ago · 6 km deep · 49 km away · felt by 94
11. 1.54km NNW of Yucca Valley, CASat, Apr 10, 12:46 AM PDT · 2003 days ago · 4 km deep · 49 km away
12. 1.826km N of Yucca Valley, CASun, Apr 11, 5:48 PM PDT · 2001 days ago · 9 km deep · 31 km away
13. 1.613km NNE of Thousand Palms, CASun, Apr 11, 6:30 PM PDT · 2001 days ago · 9 km deep · 71 km away
14. 3.515km NE of Indio, CATue, Apr 13, 2:35 PM PDT · 1999 days ago · 3 km deep · 85 km away · felt by 80
15. 2.615km NE of Indio, CATue, Apr 13, 3:05 PM PDT · 1999 days ago · 4 km deep · 85 km away · felt by 8
16. 1.78km ESE of Big Bear City, CASat, Apr 17, 3:34 AM PDT · 1996 days ago · 7 km deep · 60 km away
17. 1.618km NNE of Indio, CAMon, Apr 19, 12:49 PM PDT · 1993 days ago · 8 km deep · 77 km away
18. 1.94km SE of Yucaipa, CAWed, Apr 21, 6:46 PM PDT · 1991 days ago · 17 km deep · 93 km away
19. 1.713km ESE of Desert Hot Springs, CAThu, Apr 22, 2:22 AM PDT · 1991 days ago · 5 km deep · 70 km away
20. 1.616km NE of Indio, CAThu, Apr 22, 11:11 PM PDT · 1990 days ago · 1 km deep · 85 km away
21. 3.023km SSE of Fort Irwin, CAThu, Apr 22, 11:51 PM PDT · 1990 days ago · 2 km deep · 65 km away
22. 2.123km SSE of Fort Irwin, CAFri, Apr 23, 2:30 AM PDT · 1990 days ago · 2 km deep · 65 km away
23. 1.915km N of Yucca Valley, CAFri, Apr 23, 6:49 AM PDT · 1990 days ago · 3 km deep · 38 km away
24. 1.915km N of Yucca Valley, CAFri, Apr 23, 6:53 AM PDT · 1990 days ago · 3 km deep · 38 km away
25. 2.516km NE of Indio, CASat, Apr 24, 10:31 PM PDT · 1988 days ago · 2 km deep · 86 km away · felt by 1
26. 2.516km NE of Indio, CASat, Apr 24, 11:17 PM PDT · 1988 days ago · 2 km deep · 86 km away · felt by 1
27. 2.14km NE of Running Springs, CASun, Apr 25, 7:25 PM PDT · 1987 days ago · 2 km deep · 84 km away · felt by 3
28. 1.916km NE of Indio, CATue, Apr 27, 4:43 AM PDT · 1986 days ago · 2 km deep · 85 km away
29. 2.016km NE of Indio, CATue, Apr 27, 9:49 AM PDT · 1985 days ago · 2 km deep · 86 km away
30. 1.59km N of Banning, CATue, Apr 27, 11:41 PM PDT · 1985 days ago · 15 km deep · 84 km away
31. 1.59km S of Banning, CAWed, Apr 28, 11:13 AM PDT · 1984 days ago · 13 km deep · 99 km away
32. 2.210km NW of Fort Irwin, CAThu, Apr 29, 12:44 AM PDT · 1984 days ago · 8 km deep · 96 km away
33. 1.56km SW of Barstow, CAThu, Apr 29, 11:54 AM PDT · 1983 days ago · 7 km deep · 81 km away
34. 2.61km N of Yucaipa, CAFri, Apr 30, 2:35 PM PDT · 1982 days ago · 11 km deep · 93 km away · felt by 44
35. 1.75km N of Yucca Valley, CASat, May 1, 3:10 AM PDT · 1982 days ago · 6 km deep · 48 km away
36. 1.82km S of Cabazon, CATue, May 4, 11:14 AM PDT · 1978 days ago · 16 km deep · 88 km away
37. 2.85km WSW of Morongo Valley, CAWed, May 5, 3:14 PM PDT · 1977 days ago · 10 km deep · 68 km away · felt by 22
38. 1.917km N of Yucca Valley, CASat, May 8, 5:20 AM PDT · 1975 days ago · 3 km deep · 37 km away
39. 1.716km N of Yucca Valley, CASat, May 8, 10:00 AM PDT · 1974 days ago · 3 km deep · 37 km away
40. 2.217km N of Yucca Valley, CASat, May 8, 10:01 AM PDT · 1974 days ago · 2 km deep · 37 km away
41. 1.610km SSE of Yucca Valley, CASat, May 8, 6:41 PM PDT · 1974 days ago · 9 km deep · 60 km away
42. 1.916km NE of Thousand Palms, CASun, May 9, 7:47 AM PDT · 1974 days ago · 9 km deep · 70 km away
43. 1.67km E of Cabazon, CASun, May 9, 9:49 AM PDT · 1973 days ago · 14 km deep · 83 km away
44. 1.66km W of Big Bear Lake, CATue, May 11, 8:16 PM PDT · 1971 days ago · 10 km deep · 75 km away
45. 1.85km E of Yucaipa, CAWed, May 12, 10:40 AM PDT · 1970 days ago · 12 km deep · 89 km away
46. 1.69km SW of Morongo Valley, CAWed, May 12, 8:17 PM PDT · 1970 days ago · 18 km deep · 73 km away
47. 2.110km NNE of Banning, CAThu, May 13, 7:33 PM PDT · 1969 days ago · 12 km deep · 82 km away
48. 2.030km SE of Twentynine Palms, CAFri, May 14, 5:48 AM PDT · 1969 days ago · 5 km deep · 79 km away · felt by 1
49. 1.64km ENE of Big Bear City, CASat, May 15, 5:42 AM PDT · 1968 days ago · 7 km deep · 59 km away
50. 2.128km N of Yucca Valley, CASat, May 15, 10:49 PM PDT · 1967 days ago · 5 km deep · 29 km away
51. 1.56km N of Banning, CAMon, May 17, 12:38 PM PDT · 1965 days ago · 19 km deep · 86 km away
52. 2.628km ENE of Barstow, CATue, May 18, 2:31 AM PDT · 1965 days ago · 7 km deep · 62 km away · felt by 1
53. 1.839km NE of Big Bear City, CATue, May 18, 11:14 AM PDT · 1964 days ago · 3 km deep · 25 km away
54. 1.929km ENE of Lucerne Valley, CAThu, May 20, 4:04 AM PDT · 1963 days ago · 8 km deep · 40 km away
55. 1.615km N of Yucca Valley, CAThu, May 20, 5:24 AM PDT · 1963 days ago · 3 km deep · 38 km away
56. 1.910km ESE of Cabazon, CAMon, May 24, 3:54 PM PDT · 1958 days ago · 13 km deep · 86 km away
57. 1.85km S of Banning, CATue, May 25, 4:08 PM PDT · 1957 days ago · 14 km deep · 94 km away
58. 1.95km N of Yucca Valley, CAThu, May 27, 8:09 AM PDT · 1955 days ago · 6 km deep · 48 km away
59. 2.24km NNW of Yucca Valley, CAThu, May 27, 10:16 AM PDT · 1955 days ago · 6 km deep · 49 km away · felt by 2
60. 1.54km NNW of Yucca Valley, CAThu, May 27, 6:57 PM PDT · 1955 days ago · 4 km deep · 49 km away

The first 60 of 72.

Before

1. 2.07km E of Cabazon, CATue, Apr 6, 11:46 PM PDT · 2006 days ago · 14 km deep · 83 km away
2. 3.34km N of Beaumont, CASun, Apr 4, 2:14 PM PDT · 2008 days ago · 13 km deep · 94 km away · felt by 145
3. 1.54km N of Beaumont, CASun, Apr 4, 2:14 PM PDT · 2008 days ago · 14 km deep · 93 km away
4. 1.710km NNE of Running Springs, CASat, Apr 3, 7:41 PM PDT · 2009 days ago · 6 km deep · 81 km away
5. 2.115km NE of Barstow, CASat, Apr 3, 3:20 PM PDT · 2009 days ago · 2 km deep · 78 km away
6. 2.27km N of Lake Arrowhead, CAFri, Apr 2, 4:54 AM PDT · 2011 days ago · 7 km deep · 90 km away
7. 1.712km N of Banning, CAWed, Mar 31, 1:13 PM PDT · 2012 days ago · 13 km deep · 81 km away
8. 1.712km N of Banning, CAWed, Mar 31, 1:13 PM PDT · 2012 days ago · 13 km deep · 81 km away
9. 1.812km N of Banning, CAWed, Mar 31, 8:12 AM PDT · 2012 days ago · 12 km deep · 81 km away · felt by 1
10. 1.712km N of Banning, CAWed, Mar 31, 6:42 AM PDT · 2013 days ago · 13 km deep · 81 km away
11. 1.812km N of Banning, CAWed, Mar 31, 6:04 AM PDT · 2013 days ago · 13 km deep · 81 km away
12. 1.712km N of Banning, CAWed, Mar 31, 6:03 AM PDT · 2013 days ago · 12 km deep · 81 km away
13. 1.834km NE of Lucerne Valley, CAWed, Mar 31, 2:54 AM PDT · 2013 days ago · 4 km deep · 39 km away
14. 2.016km NE of Coachella, CASun, Mar 28, 5:25 AM PDT · 2016 days ago · 6 km deep · 88 km away
15. 1.616km N of Amboy, CASat, Mar 27, 2:23 AM PDT · 2017 days ago · 4 km deep · 49 km away
16. 1.69km S of Banning, CAFri, Mar 26, 7:57 PM PDT · 2017 days ago · 13 km deep · 98 km away · felt by 1
17. 1.510km E of Cabazon, CAFri, Mar 26, 11:52 AM PDT · 2017 days ago · 14 km deep · 83 km away
18. 1.99km N of Cabazon, CAWed, Mar 24, 11:55 AM PDT · 2019 days ago · 9 km deep · 80 km away
19. 1.84km SE of Calimesa, CATue, Mar 23, 7:34 AM PDT · 2021 days ago · 16 km deep · 97 km away
20. 1.916km NE of Coachella, CATue, Mar 23, 6:08 AM PDT · 2021 days ago · 7 km deep · 88 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci39841928. Read Sun, Oct 4, 2026, 2:20 AM UTC.