M1.5 earthquake 11km SW of Morongo Valley, CA

Magnitude

1.5 (mc), micro

Local time

Mon, Jul 27, 1981, 12:29 PM PDT

UTC

1981-07-27 19:29:38 UTC

Depth

15.7 km (9.7 mi), shallow

Epicenter

33.984° N, 116.667° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.8 km in depth

Depth from

From location

Station coverage gap

38°

Stations used

26

• Morongo Valley, CaliforniaPopulation 3,552. Forecast11 kmSW
• Desert Hot Springs, CaliforniaPopulation 28,335. Forecast15 kmW
• Moreno Valley, CaliforniaPopulation 204,198. Forecast52 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast146 kmE

After

1. 1.55km E of Palomar Observatory, CATue, Jul 28, 2:17 AM PDT · 16498 days ago · 3 km deep · 72 km away
2. 1.911km NE of Lake Arrowhead, CATue, Jul 28, 8:46 AM PDT · 16497 days ago · 1 km deep · 54 km away
3. 3.411km ENE of Julian, CAWed, Jul 29, 2:28 PM PDT · 16496 days ago · 10 km deep · 96 km away
4. 1.911km NE of Julian, CAWed, Jul 29, 4:11 PM PDT · 16496 days ago · 9 km deep · 94 km away
5. 1.610km NE of Aguanga, CAThu, Jul 30, 2:49 AM PDT · 16496 days ago · 3 km deep · 54 km away
6. 1.711km WSW of Anza, CAThu, Jul 30, 5:09 AM PDT · 16495 days ago · 1 km deep · 54 km away
7. 1.810km NE of Aguanga, CAThu, Jul 30, 9:58 AM PDT · 16495 days ago · 2 km deep · 55 km away
8. 1.510km WSW of Anza, CAThu, Jul 30, 11:03 AM PDT · 16495 days ago · 9 km deep · 53 km away
9. 1.734km NNE of North Shore, CASat, Aug 1, 1:55 AM PDT · 16494 days ago · 4 km deep · 85 km away
10. 1.622km NNW of Yucca Valley, CASat, Aug 1, 3:57 AM PDT · 16494 days ago · 1 km deep · 40 km away
11. 1.634km NNE of North Shore, CASun, Aug 2, 1:51 AM PDT · 16493 days ago · 1 km deep · 84 km away
12. 1.534km NNE of North Shore, CASun, Aug 2, 3:17 AM PDT · 16493 days ago · 4 km deep · 84 km away
13. 1.62km NW of Palomar Observatory, CASun, Aug 2, 8:36 PM PDT · 16492 days ago · 3 km deep · 71 km away
14. 1.825km NW of Desert Center, CATue, Aug 4, 3:39 AM PDT · 16491 days ago · 5 km deep · 98 km away
15. 2.522km N of Yucca Valley, CATue, Aug 4, 6:23 AM PDT · 16490 days ago · -1 km deep · 41 km away
16. 1.810km NNE of Borrego Springs, CATue, Aug 4, 8:59 AM PDT · 16490 days ago · 13 km deep · 77 km away
17. 1.72km WNW of Highland, CATue, Aug 4, 11:33 AM PDT · 16490 days ago · 3 km deep · 54 km away
18. 2.011km NNE of Julian, CATue, Aug 4, 3:41 PM PDT · 16490 days ago · 11 km deep · 91 km away
19. 1.626km NE of Thermal, CATue, Aug 4, 7:28 PM PDT · 16490 days ago · 0 km deep · 72 km away
20. 2.89km ENE of Aguanga, CAWed, Aug 5, 7:18 PM PDT · 16489 days ago · 3 km deep · 57 km away
21. 1.510km NNE of Julian, CAThu, Aug 6, 12:20 AM PDT · 16489 days ago · 15 km deep · 92 km away
22. 1.621km ESE of Anza, CAThu, Aug 6, 10:28 AM PDT · 16488 days ago · 6 km deep · 58 km away
23. 1.616km NE of Thousand Palms, CAFri, Aug 7, 7:45 AM PDT · 16487 days ago · 3 km deep · 38 km away
24. 1.56km NNE of Joshua Tree, CAFri, Aug 7, 9:52 AM PDT · 16487 days ago · -1 km deep · 41 km away
25. 1.56km NNE of Joshua Tree, CASat, Aug 8, 10:18 AM PDT · 16486 days ago · -1 km deep · 42 km away
26. 1.511km SW of Anza, CASun, Aug 9, 2:28 AM PDT · 16486 days ago · 5 km deep · 55 km away
27. 1.96km NE of Cabazon, CASun, Aug 9, 10:31 PM PDT · 16485 days ago · 5 km deep · 8 km away
28. 1.66km NE of Cabazon, CASun, Aug 9, 10:33 PM PDT · 16485 days ago · 14 km deep · 8 km away
29. 1.519km NE of Lucerne Valley, CAMon, Aug 10, 9:30 AM PDT · 16484 days ago · -1 km deep · 63 km away
30. 1.811km ENE of Julian, CATue, Aug 11, 3:28 AM PDT · 16484 days ago · 12 km deep · 97 km away
31. 2.86km ENE of Aguanga, CAWed, Aug 12, 10:09 PM PDT · 16482 days ago · 5 km deep · 60 km away
32. 1.634km NNE of North Shore, CAFri, Aug 14, 4:15 AM PDT · 16481 days ago · 3 km deep · 85 km away
33. 1.75km S of Idyllwild, CAFri, Aug 14, 11:50 AM PDT · 16480 days ago · 13 km deep · 33 km away
34. 1.825km NNW of Yucca Valley, CAFri, Aug 14, 1:09 PM PDT · 16480 days ago · 4 km deep · 38 km away
35. 1.68km NE of Aguanga, CAFri, Aug 14, 5:17 PM PDT · 16480 days ago · 4 km deep · 57 km away
36. 2.47km NNW of Anza, CAFri, Aug 14, 7:48 PM PDT · 16480 days ago · 14 km deep · 41 km away
37. 1.80km NW of Beaumont, CASat, Aug 15, 1:37 AM PDT · 16480 days ago · 14 km deep · 30 km away
38. 1.921km ESE of Anza, CASat, Aug 15, 7:48 AM PDT · 16479 days ago · 4 km deep · 60 km away
39. 1.735km NNE of North Shore, CASat, Aug 15, 9:46 AM PDT · 16479 days ago · 3 km deep · 85 km away
40. 2.410km NE of Aguanga, CASat, Aug 15, 4:12 PM PDT · 16479 days ago · 4 km deep · 55 km away
41. 1.73km ESE of Highland, CASat, Aug 15, 5:28 PM PDT · 16479 days ago · 6 km deep · 49 km away
42. 2.014km N of Borrego Springs, CASat, Aug 15, 5:40 PM PDT · 16479 days ago · 3 km deep · 72 km away
43. 1.64km ESE of Highland, CASat, Aug 15, 7:33 PM PDT · 16479 days ago · 7 km deep · 49 km away
44. 1.715km N of Borrego Springs, CASat, Aug 15, 8:02 PM PDT · 16479 days ago · 3 km deep · 71 km away
45. 2.44km SE of Highland, CASat, Aug 15, 10:53 PM PDT · 16479 days ago · 8 km deep · 49 km away
46. 1.84km ESE of Highland, CASat, Aug 15, 11:05 PM PDT · 16479 days ago · 7 km deep · 49 km away
47. 1.73km ESE of Highland, CASat, Aug 15, 11:57 PM PDT · 16479 days ago · 4 km deep · 50 km away
48. 1.53km ESE of Highland, CASun, Aug 16, 12:40 AM PDT · 16479 days ago · 8 km deep · 50 km away
49. 2.04km ESE of Highland, CASun, Aug 16, 1:33 AM PDT · 16479 days ago · 6 km deep · 48 km away
50. 2.34km ESE of Highland, CASun, Aug 16, 2:19 AM PDT · 16479 days ago · 7 km deep · 48 km away
51. 1.611km WSW of Anza, CASun, Aug 16, 3:59 AM PDT · 16479 days ago · 7 km deep · 54 km away
52. 2.94km SE of Highland, CASun, Aug 16, 4:23 AM PDT · 16478 days ago · 4 km deep · 49 km away
53. 1.53km ESE of Highland, CASun, Aug 16, 4:29 AM PDT · 16478 days ago · 4 km deep · 50 km away
54. 1.812km SSE of Anza, CASun, Aug 16, 3:44 PM PDT · 16478 days ago · 9 km deep · 58 km away
55. 1.84km S of Lake Henshaw, CASun, Aug 16, 6:05 PM PDT · 16478 days ago · 17 km deep · 87 km away
56. 2.59km S of La Quinta, CAMon, Aug 17, 3:05 AM PDT · 16478 days ago · 3 km deep · 55 km away
57. 1.84km SSE of Yucca Valley, CAMon, Aug 17, 9:35 AM PDT · 16477 days ago · 7 km deep · 25 km away
58. 1.515km N of Borrego Springs, CAMon, Aug 17, 9:49 AM PDT · 16477 days ago · 3 km deep · 71 km away
59. 1.715km N of Borrego Springs, CAMon, Aug 17, 10:51 AM PDT · 16477 days ago · 3 km deep · 71 km away
60. 2.110km NE of Cabazon, CAMon, Aug 17, 4:45 PM PDT · 16477 days ago · 12 km deep · 4 km away

The first 60 of 156.

Before

1. 2.811km SW of Morongo Valley, CAMon, Jul 27, 11:22 AM PDT · 16498 days ago · 14 km deep · 1 km away
2. 1.618km N of Borrego Springs, CAMon, Jul 27, 9:52 AM PDT · 16498 days ago · 11 km deep · 68 km away
3. 2.012km SSW of Idyllwild, CASun, Jul 26, 5:24 PM PDT · 16499 days ago · 12 km deep · 39 km away
4. 1.65km NE of Anza, CASun, Jul 26, 3:36 AM PDT · 16500 days ago · 13 km deep · 44 km away
5. 1.65km NE of Anza, CASat, Jul 25, 11:03 PM PDT · 16500 days ago · 13 km deep · 43 km away
6. 2.07km NE of Aguanga, CAFri, Jul 24, 11:28 PM PDT · 16501 days ago · 0 km deep · 58 km away
7. 2.68km ENE of Aguanga, CAFri, Jul 24, 11:24 PM PDT · 16501 days ago · 4 km deep · 58 km away
8. 1.710km NNE of Borrego Springs, CAFri, Jul 24, 4:16 PM PDT · 16501 days ago · 12 km deep · 77 km away
9. 1.610km NE of Aguanga, CAThu, Jul 23, 7:17 PM PDT · 16502 days ago · 1 km deep · 55 km away
10. 2.410km NE of Aguanga, CAThu, Jul 23, 1:31 PM PDT · 16502 days ago · 0 km deep · 55 km away
11. 1.86km WSW of Salton City, CAThu, Jul 23, 1:14 PM PDT · 16502 days ago · 2 km deep · 99 km away
12. 1.58km ENE of Indio, CAThu, Jul 23, 10:19 AM PDT · 16502 days ago · 4 km deep · 54 km away
13. 1.511km NE of Aguanga, CAWed, Jul 22, 6:04 PM PDT · 16503 days ago · 2 km deep · 54 km away
14. 1.511km NW of Julian, CAWed, Jul 22, 10:44 AM PDT · 16503 days ago · 17 km deep · 93 km away
15. 2.010km NE of Aguanga, CAWed, Jul 22, 9:03 AM PDT · 16503 days ago · 4 km deep · 55 km away
16. 1.710km ENE of Borrego Springs, CAWed, Jul 22, 4:08 AM PDT · 16504 days ago · 9 km deep · 84 km away
17. 1.511km NE of Aguanga, CATue, Jul 21, 6:42 PM PDT · 16504 days ago · 3 km deep · 54 km away
18. 1.631km SE of Twentynine Palms, CAMon, Jul 20, 7:30 PM PDT · 16505 days ago · 4 km deep · 75 km away
19. 1.72km ESE of Loma Linda, CASun, Jul 19, 9:04 PM PDT · 16506 days ago · 16 km deep · 53 km away
20. 1.511km NNW of Borrego Springs, CASun, Jul 19, 1:08 PM PDT · 16506 days ago · 3 km deep · 74 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci520175. Read Sun, Sep 27, 2026, 10:47 PM UTC.