M1.5 earthquake 12km SW of Morongo Valley, CA

Magnitude

1.5 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Tue, Jan 21, 2003, 8:59 AM PST

UTC

2003-01-21 16:59:31 UTC

Depth

15.5 km (9.6 mi), shallow

Epicenter

33.981° N, 116.678° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 1.3 km in depth

Magnitude uncertainty

±0.20

Depth from

From location

Station coverage gap

114°

Stations used

20

• Morongo Valley, CaliforniaPopulation 3,552. Forecast12 kmSW
• Desert Hot Springs, CaliforniaPopulation 28,335. Forecast16 kmW
• Moreno Valley, CaliforniaPopulation 204,198. Forecast51 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast145 kmE

After

1. 1.810km N of Borrego Springs, CATue, Jan 21, 10:00 AM PST · 8658 days ago · 10 km deep · 76 km away
2. 1.78km SE of Valle Vista, CATue, Jan 21, 10:35 AM PST · 8658 days ago · 16 km deep · 33 km away
3. 1.616km SW of Ludlow, CATue, Jan 21, 10:46 AM PST · 8658 days ago · 6 km deep · 81 km away
4. 2.610km NNE of Cabazon, CATue, Jan 21, 6:29 PM PST · 8657 days ago · 21 km deep · 8 km away
5. 1.913km NW of Ludlow, CATue, Jan 21, 11:16 PM PST · 8657 days ago · 4 km deep · 99 km away
6. 2.114km ENE of Thousand Palms, CAWed, Jan 22, 4:37 AM PST · 8657 days ago · 11 km deep · 40 km away
7. 1.915km SSE of Big Bear Lake, CAWed, Jan 22, 6:54 AM PST · 8657 days ago · 6 km deep · 22 km away
8. 1.92km S of Loma Linda, CAWed, Jan 22, 9:13 AM PST · 8657 days ago · 17 km deep · 54 km away
9. 1.819km W of Ludlow, CAWed, Jan 22, 4:32 PM PST · 8656 days ago · 9 km deep · 84 km away
10. 1.522km ESE of Anza, CAWed, Jan 22, 7:23 PM PST · 8656 days ago · 16 km deep · 58 km away
11. 1.913km NNE of Ocotillo Wells, CAThu, Jan 23, 7:41 AM PST · 8656 days ago · 6 km deep · 99 km away
12. 1.89km N of Big Bear City, CaliforniaThu, Jan 23, 11:26 AM PST · 8656 days ago · -2 km deep · 43 km away
13. 1.53km SSW of Idyllwild, CAFri, Jan 24, 3:37 AM PST · 8655 days ago · 17 km deep · 30 km away
14. 1.622km SSW of Ludlow, CaliforniaFri, Jan 24, 10:19 AM PST · 8655 days ago · 5 km deep · 73 km away
15. 1.614km WSW of Ludlow, CaliforniaFri, Jan 24, 11:30 AM PST · 8655 days ago · 5 km deep · 84 km away
16. 2.118km SW of Ludlow, CASat, Jan 25, 5:03 AM PST · 8654 days ago · 4 km deep · 77 km away
17. 1.623km SSW of La Quinta, CASat, Jan 25, 3:26 PM PST · 8653 days ago · 15 km deep · 60 km away
18. 2.613km N of Ocotillo Wells, CASat, Jan 25, 6:50 PM PST · 8653 days ago · 13 km deep · 96 km away
19. 2.025km NE of Indio, CASat, Jan 25, 8:05 PM PST · 8653 days ago · 12 km deep · 61 km away
20. 1.56km E of Ontario, CASun, Jan 26, 12:38 AM PST · 8653 days ago · 10 km deep · 82 km away
21. 1.67km NNE of Moreno Valley, CaliforniaSun, Jan 26, 4:19 AM PST · 8653 days ago · 11 km deep · 49 km away
22. 1.79km N of Cabazon, CASun, Jan 26, 7:32 AM PST · 8653 days ago · 20 km deep · 9 km away
23. 1.63km N of Moreno Valley, CAMon, Jan 27, 2:37 AM PST · 8652 days ago · 12 km deep · 51 km away
24. 1.73km SW of Ludlow, CAMon, Jan 27, 4:33 AM PST · 8652 days ago · 9 km deep · 92 km away
25. 1.72km E of Aguanga, CAMon, Jan 27, 5:46 PM PST · 8651 days ago · 9 km deep · 62 km away
26. 1.82km WSW of Mentone, CAMon, Jan 27, 8:45 PM PST · 8651 days ago · 13 km deep · 45 km away
27. 1.914km NW of Ludlow, CAMon, Jan 27, 11:43 PM PST · 8651 days ago · 5 km deep · 100 km away
28. 1.86km N of Fontana, CATue, Jan 28, 12:29 AM PST · 8651 days ago · 9 km deep · 74 km away
29. 1.76km SSE of Idyllwild, CATue, Jan 28, 2:52 AM PST · 8651 days ago · 16 km deep · 33 km away
30. 1.620km WNW of Ludlow, CATue, Jan 28, 10:50 AM PST · 8651 days ago · 5 km deep · 93 km away
31. 2.32km SSE of Loma Linda, CATue, Jan 28, 11:56 AM PST · 8651 days ago · 18 km deep · 53 km away
32. 1.57km S of Idyllwild, CATue, Jan 28, 1:58 PM PST · 8651 days ago · 14 km deep · 34 km away
33. 1.72km SSE of Loma Linda, CATue, Jan 28, 4:30 PM PST · 8650 days ago · 17 km deep · 53 km away
34. 1.719km SSW of Ludlow, CAWed, Jan 29, 12:40 AM PST · 8650 days ago · 4 km deep · 76 km away
35. 1.620km ESE of Anza, CAWed, Jan 29, 2:47 AM PST · 8650 days ago · 12 km deep · 58 km away
36. 1.911km ENE of Aguanga, CAWed, Jan 29, 10:42 AM PST · 8650 days ago · 8 km deep · 56 km away
37. 1.75km NNW of Big Bear Lake, CAWed, Jan 29, 11:57 AM PST · 8650 days ago · 4 km deep · 42 km away
38. 1.614km ESE of Anza, CAThu, Jan 30, 12:42 AM PST · 8649 days ago · 12 km deep · 53 km away
39. 1.56km N of Fontana, CAThu, Jan 30, 1:34 PM PST · 8649 days ago · 9 km deep · 73 km away
40. 1.612km SSE of Borrego Springs, CAThu, Jan 30, 10:13 PM PST · 8648 days ago · 8 km deep · 97 km away
41. 1.814km SSW of Ludlow, CAFri, Jan 31, 10:51 AM PST · 8648 days ago · 4 km deep · 81 km away
42. 1.67km S of Redlands, CAFri, Jan 31, 6:46 PM PST · 8647 days ago · 16 km deep · 46 km away
43. 1.74km SSW of Idyllwild, CASat, Feb 1, 2:49 AM PST · 8647 days ago · 18 km deep · 31 km away
44. 3.316km ENE of Coachella, CASat, Feb 1, 9:26 AM PST · 8647 days ago · 11 km deep · 66 km away
45. 1.68km SSW of Redlands, CASat, Feb 1, 9:31 AM PST · 8647 days ago · 15 km deep · 48 km away
46. 1.810km SW of Idyllwild, CASun, Feb 2, 12:41 AM PST · 8646 days ago · 17 km deep · 35 km away
47. 1.610km NNE of Banning, CASun, Feb 2, 1:47 AM PST · 8646 days ago · 13 km deep · 14 km away
48. 1.65km SE of Loma Linda, CaliforniaSun, Feb 2, 2:55 PM PST · 8645 days ago · 17 km deep · 50 km away
49. 1.99km E of Big Bear City, CASun, Feb 2, 3:51 PM PST · 8645 days ago · 7 km deep · 30 km away
50. 1.719km ESE of Anza, CASun, Feb 2, 11:08 PM PST · 8645 days ago · 14 km deep · 56 km away
51. 1.822km SSW of La Quinta, CaliforniaSun, Feb 2, 11:08 PM PST · 8645 days ago · 16 km deep · 60 km away
52. 1.526km N of Yucca Valley, CASun, Feb 2, 11:59 PM PST · 8645 days ago · 2 km deep · 45 km away
53. 3.01km ENE of Loma Linda, CAMon, Feb 3, 12:42 AM PST · 8645 days ago · 15 km deep · 53 km away
54. 1.94km NNE of Moreno Valley, CaliforniaMon, Feb 3, 7:11 AM PST · 8645 days ago · 13 km deep · 49 km away
55. 1.613km NNE of Cabazon, CAMon, Feb 3, 11:08 AM PST · 8645 days ago · 15 km deep · 7 km away
56. 1.510km N of Running Springs, CAMon, Feb 3, 2:55 PM PST · 8644 days ago · 9 km deep · 52 km away
57. 1.75km NNE of Moreno Valley, CaliforniaMon, Feb 3, 3:35 PM PST · 8644 days ago · 13 km deep · 49 km away
58. 1.51km S of Loma Linda, CAMon, Feb 3, 7:48 PM PST · 8644 days ago · 17 km deep · 54 km away
59. 1.611km NE of Julian, CATue, Feb 4, 7:14 AM PST · 8644 days ago · 9 km deep · 95 km away
60. 1.712km W of Ludlow, CATue, Feb 4, 9:20 AM PST · 8644 days ago · 3 km deep · 88 km away

The first 60 of 188.

Before

1. 1.719km N of Borrego Springs, CATue, Jan 21, 8:43 AM PST · 8658 days ago · 11 km deep · 67 km away
2. 1.526km SSW of Ludlow, CATue, Jan 21, 2:46 AM PST · 8658 days ago · 7 km deep · 70 km away
3. 2.02km SSE of Loma Linda, CATue, Jan 21, 2:10 AM PST · 8658 days ago · 19 km deep · 53 km away
4. 1.526km SSW of Ludlow, CaliforniaMon, Jan 20, 4:52 PM PST · 8658 days ago · 4 km deep · 69 km away
5. 1.711km SSW of Lucerne Valley, CaliforniaMon, Jan 20, 10:36 AM PST · 8659 days ago · 0 km deep · 52 km away
6. 1.530km N of Yucca Valley, CaliforniaMon, Jan 20, 7:42 AM PST · 8659 days ago · 1 km deep · 48 km away
7. 1.64km N of Yucca Valley, CASun, Jan 19, 9:02 PM PST · 8659 days ago · 13 km deep · 30 km away
8. 1.87km SW of Idyllwild, CASun, Jan 19, 4:52 PM PST · 8659 days ago · 16 km deep · 33 km away
9. 2.27km N of Big Bear City, CASun, Jan 19, 2:01 PM PST · 8660 days ago · 3 km deep · 41 km away
10. 2.133km N of Joshua Tree, CASun, Jan 19, 11:02 AM PST · 8660 days ago · 7 km deep · 63 km away
11. 1.87km SSW of Borrego Springs, CASun, Jan 19, 7:34 AM PST · 8660 days ago · 12 km deep · 91 km away
12. 2.17km N of Big Bear City, CASun, Jan 19, 5:57 AM PST · 8660 days ago · 4 km deep · 41 km away
13. 2.49km WSW of Corona, CASat, Jan 18, 6:11 PM PST · 8660 days ago · 5 km deep · 91 km away
14. 1.612km W of Ludlow, CAFri, Jan 17, 4:12 PM PST · 8661 days ago · 2 km deep · 87 km away
15. 2.110km WSW of Corona, CAFri, Jan 17, 2:44 PM PST · 8661 days ago · 5 km deep · 92 km away
16. 1.518km WSW of Ludlow, CAFri, Jan 17, 11:27 AM PST · 8662 days ago · 3 km deep · 83 km away
17. 1.613km SSE of Big Bear Lake, CAFri, Jan 17, 10:15 AM PST · 8662 days ago · 7 km deep · 24 km away
18. 1.537km WSW of Ludlow, CAThu, Jan 16, 4:12 PM PST · 8662 days ago · 4 km deep · 68 km away
19. 1.67km N of Yucca Valley, CaliforniaThu, Jan 16, 11:20 AM PST · 8663 days ago · 10 km deep · 31 km away
20. 2.56km W of Lytle Creek, CaliforniaThu, Jan 16, 10:21 AM PST · 8663 days ago · 6 km deep · 87 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9881609. Read Mon, Oct 5, 2026, 9:38 AM UTC.