M2.8 earthquake 14km W of Morongo Valley, CA

Magnitude

2.8 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Thu, Sep 10, 1981, 2:35 PM PDT

UTC

1981-09-10 21:35:31 UTC

Depth

8.7 km (5.4 mi), shallow

Epicenter

34.055° N, 116.736° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.06

Depth from

From location

Station coverage gap

42°

Stations used

53

• Morongo Valley, CaliforniaPopulation 3,552. Forecast14 kmW
• Banning, CaliforniaPopulation 30,945. Forecast19 kmNE
• Moreno Valley, CaliforniaPopulation 204,198. Forecast47 kmENE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast139 kmE

After

1. 1.63km ENE of Lake Arrowhead, CAFri, Sep 11, 3:19 AM PDT · 16458 days ago · 5 km deep · 45 km away
2. 2.05km NNE of San Bernardino, CAFri, Sep 11, 5:08 AM PDT · 16458 days ago · 0 km deep · 50 km away
3. 1.622km ESE of Anza, CAFri, Sep 11, 2:44 PM PDT · 16458 days ago · 5 km deep · 71 km away
4. 2.210km ENE of Aguanga, CAFri, Sep 11, 6:40 PM PDT · 16458 days ago · 3 km deep · 63 km away
5. 2.76km SE of Temecula, CASat, Sep 12, 4:40 AM PDT · 16457 days ago · 7 km deep · 75 km away
6. 3.54km NE of San Bernardino, CASat, Sep 12, 2:23 PM PDT · 16457 days ago · 8 km deep · 50 km away
7. 1.94km NE of San Bernardino, CASat, Sep 12, 3:50 PM PDT · 16457 days ago · 5 km deep · 49 km away
8. 1.54km NNE of San Bernardino, CASun, Sep 13, 2:43 AM PDT · 16456 days ago · 1 km deep · 51 km away
9. 1.53km NE of San Bernardino, CASun, Sep 13, 4:59 AM PDT · 16456 days ago · 2 km deep · 50 km away
10. 1.710km NNW of Anza, CASun, Sep 13, 6:54 AM PDT · 16456 days ago · 15 km deep · 46 km away
11. 2.94km NE of San Bernardino, CASun, Sep 13, 12:59 PM PDT · 16456 days ago · 2 km deep · 50 km away
12. 1.93km NE of San Bernardino, CASun, Sep 13, 2:45 PM PDT · 16456 days ago · 2 km deep · 50 km away
13. 2.44km NW of Redlands, CASun, Sep 13, 6:18 PM PDT · 16456 days ago · 8 km deep · 44 km away
14. 1.66km W of Desert Hot Springs, CASun, Sep 13, 8:47 PM PDT · 16456 days ago · 10 km deep · 19 km away
15. 2.44km NNE of San Bernardino, CAMon, Sep 14, 2:07 AM PDT · 16455 days ago · 3 km deep · 51 km away
16. 2.15km NNE of San Bernardino, CAMon, Sep 14, 2:11 AM PDT · 16455 days ago · 1 km deep · 50 km away
17. 2.56km SE of Temecula, CAMon, Sep 14, 2:54 AM PDT · 16455 days ago · 6 km deep · 75 km away
18. 1.54km SE of Temecula, CAMon, Sep 14, 4:15 AM PDT · 16455 days ago · 7 km deep · 75 km away
19. 1.64km NE of San Bernardino, CAMon, Sep 14, 9:03 AM PDT · 16455 days ago · 8 km deep · 50 km away
20. 1.94km NE of San Bernardino, CAMon, Sep 14, 11:10 AM PDT · 16455 days ago · 2 km deep · 50 km away
21. 2.64km NNE of San Bernardino, CAMon, Sep 14, 11:42 AM PDT · 16455 days ago · 5 km deep · 51 km away
22. 1.66km WNW of Lake Henshaw, CAMon, Sep 14, 4:11 PM PDT · 16455 days ago · 11 km deep · 88 km away
23. 2.06km SE of Temecula, CAMon, Sep 14, 4:58 PM PDT · 16455 days ago · 8 km deep · 76 km away
24. 1.89km E of Cabazon, CAMon, Sep 14, 5:28 PM PDT · 16455 days ago · 15 km deep · 15 km away
25. 2.54km NE of San Bernardino, CAMon, Sep 14, 6:54 PM PDT · 16455 days ago · 1 km deep · 50 km away
26. 1.522km SSW of La Quinta, CATue, Sep 15, 2:09 AM PDT · 16454 days ago · 7 km deep · 70 km away
27. 2.95km NE of San Bernardino, CAWed, Sep 16, 12:57 AM PDT · 16453 days ago · 4 km deep · 50 km away
28. 2.75km NNE of San Bernardino, CAWed, Sep 16, 12:57 AM PDT · 16453 days ago · 1 km deep · 51 km away
29. 2.15km NNE of San Bernardino, CAWed, Sep 16, 1:01 AM PDT · 16453 days ago · 4 km deep · 50 km away
30. 1.98km NE of San Jacinto, CAWed, Sep 16, 1:23 AM PDT · 16453 days ago · 12 km deep · 29 km away
31. 1.518km ENE of Thousand Palms, CAWed, Sep 16, 1:40 AM PDT · 16453 days ago · 6 km deep · 52 km away
32. 2.55km NE of San Bernardino, CAWed, Sep 16, 6:57 AM PDT · 16453 days ago · 1 km deep · 49 km away
33. 2.710km NE of Lake Arrowhead, CAWed, Sep 16, 1:32 PM PDT · 16453 days ago · 3 km deep · 45 km away
34. 1.96km WSW of Morongo Valley, CAWed, Sep 16, 11:57 PM PDT · 16452 days ago · 11 km deep · 9 km away
35. 1.922km SSE of Twentynine Palms, CAThu, Sep 17, 1:18 AM PDT · 16452 days ago · 2 km deep · 69 km away
36. 1.77km NNE of Cabazon, CASat, Sep 19, 11:26 AM PDT · 16450 days ago · 7 km deep · 9 km away
37. 1.520km ESE of Anza, CASat, Sep 19, 4:26 PM PDT · 16450 days ago · 20 km deep · 66 km away
38. 1.65km S of Idyllwild, CASat, Sep 19, 4:30 PM PDT · 16450 days ago · 16 km deep · 40 km away
39. 1.522km SSW of La Quinta, CASat, Sep 19, 8:37 PM PDT · 16450 days ago · 9 km deep · 69 km away
40. 1.518km NNW of Joshua Tree, CASun, Sep 20, 12:01 PM PDT · 16449 days ago · 9 km deep · 42 km away
41. 1.65km E of Borrego Springs, CASun, Sep 20, 6:00 PM PDT · 16449 days ago · 4 km deep · 96 km away
42. 1.611km NE of Aguanga, CAMon, Sep 21, 10:05 AM PDT · 16448 days ago · 3 km deep · 61 km away
43. 2.423km N of Yucca Valley, CAMon, Sep 21, 6:11 PM PDT · 16448 days ago · 0 km deep · 40 km away
44. 2.38km E of Yorba Linda, CATue, Sep 22, 8:53 PM PDT · 16447 days ago · 5 km deep · 93 km away
45. 1.536km NW of Desert Center, CAWed, Sep 23, 6:00 AM PDT · 16446 days ago · 8 km deep · 98 km away
46. 2.25km NNE of San Bernardino, CAThu, Sep 24, 9:19 PM PDT · 16445 days ago · 1 km deep · 50 km away
47. 3.310km NNE of Banning, CAFri, Sep 25, 7:13 AM PDT · 16444 days ago · 21 km deep · 11 km away
48. 1.518km NE of Coachella, CAFri, Sep 25, 9:22 AM PDT · 16444 days ago · 0 km deep · 71 km away
49. 1.513km SE of Anza, CAFri, Sep 25, 9:46 PM PDT · 16444 days ago · 8 km deep · 65 km away
50. 1.810km ENE of Aguanga, CASat, Sep 26, 6:04 AM PDT · 16443 days ago · 3 km deep · 63 km away
51. 1.610km NNE of Banning, CASat, Sep 26, 2:24 PM PDT · 16443 days ago · 19 km deep · 11 km away
52. 1.53km ENE of Muscoy, CASat, Sep 26, 6:15 PM PDT · 16443 days ago · 8 km deep · 55 km away
53. 2.010km NE of Aguanga, CASat, Sep 26, 7:01 PM PDT · 16443 days ago · 4 km deep · 62 km away
54. 1.66km NNW of Lytle Creek, CASat, Sep 26, 9:08 PM PDT · 16443 days ago · 14 km deep · 77 km away
55. 2.17km SE of Temecula, CAMon, Sep 28, 2:25 AM PDT · 16441 days ago · 8 km deep · 75 km away
56. 2.66km SE of Temecula, CAMon, Sep 28, 2:27 AM PDT · 16441 days ago · 7 km deep · 75 km away
57. 3.36km SE of Temecula, CAMon, Sep 28, 3:57 AM PDT · 16441 days ago · 7 km deep · 76 km away
58. 1.72km NW of Loma Linda, CAMon, Sep 28, 4:19 AM PDT · 16441 days ago · 16 km deep · 50 km away
59. 1.510km NE of Aguanga, CAMon, Sep 28, 11:31 AM PDT · 16441 days ago · 3 km deep · 62 km away
60. 1.722km SSE of Twentynine Palms, CAMon, Sep 28, 8:33 PM PDT · 16441 days ago · 7 km deep · 69 km away

The first 60 of 145.

Before

1. 2.53km NNE of Lytle Creek, CAThu, Sep 10, 2:19 PM PDT · 16459 days ago · 10 km deep · 73 km away
2. 1.522km N of Yucca Valley, CAThu, Sep 10, 8:36 AM PDT · 16459 days ago · -1 km deep · 38 km away
3. 1.53km NNE of Claremont, CAWed, Sep 9, 11:44 PM PDT · 16459 days ago · 3 km deep · 90 km away
4. 1.734km NNE of North Shore, CAWed, Sep 9, 7:50 PM PDT · 16460 days ago · 2 km deep · 93 km away
5. 1.934km NNE of North Shore, CAWed, Sep 9, 7:40 PM PDT · 16460 days ago · 4 km deep · 93 km away
6. 2.411km NE of Aguanga, CATue, Sep 8, 5:42 PM PDT · 16461 days ago · 4 km deep · 61 km away
7. 2.64km SSE of Loma Linda, CATue, Sep 8, 6:20 AM PDT · 16461 days ago · 14 km deep · 47 km away
8. 2.28km NNE of Cabazon, CAMon, Sep 7, 1:32 AM PDT · 16462 days ago · 6 km deep · 8 km away
9. 2.03km ENE of Colton, CASun, Sep 6, 4:23 AM PDT · 16463 days ago · 14 km deep · 51 km away
10. 1.525km N of Yucca Valley, CAFri, Sep 4, 12:27 AM PDT · 16465 days ago · 0 km deep · 41 km away
11. 1.716km SSW of Amboy, CAThu, Sep 3, 10:57 PM PDT · 16465 days ago · 5 km deep · 95 km away
12. 1.522km ESE of Anza, CAThu, Sep 3, 9:22 AM PDT · 16466 days ago · 10 km deep · 70 km away
13. 1.533km NNE of North Shore, CAWed, Sep 2, 10:30 PM PDT · 16467 days ago · 7 km deep · 93 km away
14. 1.54km E of Palomar Observatory, CAWed, Sep 2, 5:30 PM PDT · 16467 days ago · 6 km deep · 78 km away
15. 3.04km ESE of Palomar Observatory, CAWed, Sep 2, 4:50 PM PDT · 16467 days ago · 6 km deep · 80 km away
16. 1.716km N of Borrego Springs, CAWed, Sep 2, 8:55 AM PDT · 16467 days ago · 4 km deep · 80 km away
17. 1.59km NNW of Warner Springs, CAWed, Sep 2, 7:07 AM PDT · 16467 days ago · 9 km deep · 78 km away
18. 1.64km SW of Banning, CATue, Sep 1, 9:56 PM PDT · 16468 days ago · 12 km deep · 24 km away
19. 1.811km NE of Aguanga, CATue, Sep 1, 7:05 AM PDT · 16468 days ago · 4 km deep · 61 km away
20. 1.632km SE of Barstow, CAMon, Aug 31, 3:30 PM PDT · 16469 days ago · -1 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci522799. Read Sat, Oct 3, 2026, 5:25 PM UTC.