M2.6 earthquake 4km SSW of Calimesa, CA

Magnitude

2.6 (ml), micro

Local time

Sat, Mar 4, 1978, 1:12 AM PST

UTC

1978-03-04 09:12:16 UTC

Depth

15.3 km (9.5 mi), shallow

Epicenter

33.956° N, 117.069° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.28

Depth from

From location

Station coverage gap

41°

Stations used

44

• Calimesa, CaliforniaPopulation 8,542. Forecast5 kmS
• Beaumont, CaliforniaPopulation 43,811. Forecast9 kmWNW
• Moreno Valley, CaliforniaPopulation 204,198. Forecast15 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast109 kmE

After

1. 1.820km ESE of Anza, CAThu, Mar 23, 3:30 PM PST · 17715 days ago · 13 km deep · 76 km away
2. 1.913km SE of Anza, CASat, Mar 25, 2:04 AM PST · 17714 days ago · 9 km deep · 71 km away
3. 2.36km NNE of Rancho Cucamonga, CASat, Mar 25, 1:14 PM PST · 17713 days ago · 3 km deep · 51 km away
4. 1.72km S of Big Bear Lake, CASat, Mar 25, 2:50 PM PST · 17713 days ago · 5 km deep · 34 km away
5. 1.72km S of Big Bear Lake, CASat, Mar 25, 2:55 PM PST · 17713 days ago · 11 km deep · 33 km away
6. 1.52km SE of Big Bear Lake, CASat, Mar 25, 3:03 PM PST · 17713 days ago · 11 km deep · 34 km away
7. 1.913km N of Borrego Springs, CASun, Mar 26, 3:21 AM PST · 17712 days ago · 9 km deep · 90 km away
8. 1.66km ENE of Calimesa, CASun, Mar 26, 3:45 PM PST · 17712 days ago · 9 km deep · 9 km away
9. 1.74km NNE of Running Springs, CASun, Mar 26, 5:06 PM PST · 17712 days ago · 3 km deep · 32 km away
10. 1.718km N of Joshua Tree, CAMon, Mar 27, 5:08 PM PST · 17711 days ago · 6 km deep · 78 km away
11. 2.12km SSE of Big Bear Lake, CAMon, Mar 27, 7:38 PM PST · 17711 days ago · 5 km deep · 34 km away
12. 2.14km NE of Fontana, CATue, Mar 28, 5:00 AM PST · 17710 days ago · 4 km deep · 38 km away
13. 2.06km W of Desert Hot Springs, CATue, Mar 28, 5:05 PM PST · 17710 days ago · 6 km deep · 47 km away
14. 1.85km SW of Morongo Valley, CAWed, Mar 29, 12:11 AM PST · 17710 days ago · 13 km deep · 42 km away
15. 1.84km NE of Fontana, CAWed, Mar 29, 12:47 AM PST · 17710 days ago · 5 km deep · 38 km away
16. 1.612km NE of Joshua Tree, CAWed, Mar 29, 5:07 AM PST · 17709 days ago · 4 km deep · 83 km away
17. 1.639km SW of Ludlow, CAWed, Mar 29, 9:08 AM PST · 17709 days ago · 6 km deep · 81 km away
18. 2.520km ENE of Lucerne Valley, CAWed, Mar 29, 11:39 PM PST · 17709 days ago · 2 km deep · 69 km away
19. 2.013km W of Anza, CAThu, Mar 30, 5:52 AM PST · 17708 days ago · 8 km deep · 50 km away
20. 1.529km ENE of Big Bear City, CAThu, Mar 30, 11:44 AM PST · 17708 days ago · 0 km deep · 65 km away
21. 4.07km SW of Big Bear Lake, CASat, Apr 1, 2:52 AM PST · 17707 days ago · 11 km deep · 28 km away
22. 1.62km S of Big Bear Lake, CASat, Apr 1, 7:55 AM PST · 17706 days ago · 9 km deep · 34 km away
23. 1.611km SE of Anza, CASat, Apr 1, 3:54 PM PST · 17706 days ago · 10 km deep · 69 km away
24. 1.57km S of Chino, CASat, Apr 1, 6:22 PM PST · 17706 days ago · 10 km deep · 57 km away
25. 1.66km NE of Moreno Valley, CASun, Apr 2, 1:52 AM PST · 17706 days ago · 17 km deep · 10 km away
26. 1.84km SW of Redlands, CASun, Apr 2, 9:35 AM PST · 17705 days ago · 15 km deep · 15 km away
27. 1.810km NE of Lake Arrowhead, CASun, Apr 2, 10:42 AM PST · 17705 days ago · 6 km deep · 40 km away
28. 2.38km WNW of Twentynine Palms, CASun, Apr 2, 5:08 PM PST · 17705 days ago · 4 km deep · 87 km away
29. 2.08km NNE of Banning, CASun, Apr 2, 10:19 PM PST · 17705 days ago · 11 km deep · 21 km away
30. 2.512km E of Desert Hot Springs, CAMon, Apr 3, 8:19 AM PST · 17704 days ago · 5 km deep · 65 km away
31. 1.812km E of Desert Hot Springs, CAMon, Apr 3, 8:26 AM PST · 17704 days ago · 3 km deep · 65 km away
32. 1.52km NNW of Loma Linda, CAMon, Apr 3, 5:58 PM PST · 17704 days ago · 17 km deep · 22 km away
33. 1.62km S of Big Bear Lake, CATue, Apr 4, 12:24 AM PST · 17704 days ago · 6 km deep · 34 km away
34. 1.719km NW of Yucca Valley, CATue, Apr 4, 2:39 AM PST · 17704 days ago · 5 km deep · 54 km away
35. 1.64km NNE of Palomar Observatory, CATue, Apr 4, 5:53 AM PST · 17703 days ago · 9 km deep · 66 km away
36. 2.413km SE of Big Bear City, CATue, Apr 4, 10:24 AM PST · 17703 days ago · 3 km deep · 40 km away
37. 1.63km ENE of Colton, CATue, Apr 4, 11:15 AM PST · 17703 days ago · 15 km deep · 24 km away
38. 1.611km SE of Anza, CATue, Apr 4, 11:17 AM PST · 17703 days ago · 11 km deep · 69 km away
39. 1.911km SE of Anza, CATue, Apr 4, 5:38 PM PST · 17703 days ago · 8 km deep · 69 km away
40. 2.212km E of Desert Hot Springs, CATue, Apr 4, 9:56 PM PST · 17703 days ago · 5 km deep · 65 km away
41. 2.08km WSW of Beaumont, CATue, Apr 4, 10:15 PM PST · 17703 days ago · 13 km deep · 5 km away
42. 1.78km WNW of Lytle Creek, CAWed, Apr 5, 8:15 AM PST · 17702 days ago · 11 km deep · 59 km away
43. 2.22km NNE of Palomar Observatory, CAWed, Apr 5, 11:15 AM PST · 17702 days ago · 8 km deep · 67 km away
44. 1.82km NNW of Palomar Observatory, CAWed, Apr 5, 1:17 PM PST · 17702 days ago · 11 km deep · 67 km away
45. 1.77km SW of Big Bear Lake, CAThu, Apr 6, 7:31 PM PST · 17701 days ago · 10 km deep · 28 km away
46. 1.913km N of Banning, CAFri, Apr 7, 12:24 PM PST · 17700 days ago · 15 km deep · 21 km away
47. 1.64km NW of Rubidoux, CAFri, Apr 7, 2:06 PM PST · 17700 days ago · 1 km deep · 34 km away
48. 1.810km NE of Aguanga, CAFri, Apr 7, 10:43 PM PST · 17700 days ago · 6 km deep · 56 km away
49. 1.52km SE of Big Bear Lake, CASun, Apr 9, 2:12 AM PST · 17699 days ago · 15 km deep · 34 km away
50. 1.76km SW of Idyllwild, CASun, Apr 9, 2:47 PM PST · 17698 days ago · 17 km deep · 40 km away
51. 1.614km N of Warner Springs, CAMon, Apr 10, 5:10 PM PST · 17697 days ago · 15 km deep · 74 km away
52. 1.86km E of Calimesa, CAMon, Apr 10, 5:40 PM PST · 17697 days ago · 15 km deep · 7 km away
53. 1.56km WNW of Calimesa, CATue, Apr 11, 1:15 AM PST · 17697 days ago · 17 km deep · 7 km away
54. 1.65km S of Chino, CAWed, Apr 12, 12:37 AM PST · 17696 days ago · 5 km deep · 58 km away
55. 1.66km ESE of Running Springs, CAWed, Apr 12, 2:41 AM PST · 17696 days ago · 5 km deep · 25 km away
56. 1.622km NE of Lucerne Valley, CAWed, Apr 12, 4:57 AM PST · 17695 days ago · 1 km deep · 75 km away
57. 2.210km N of Victorville, CAWed, Apr 12, 2:49 PM PST · 17695 days ago · 3 km deep · 78 km away
58. 1.74km ESE of Yucaipa, CAThu, Apr 13, 2:00 AM PST · 17695 days ago · 17 km deep · 9 km away
59. 1.810km SE of Anza, CAThu, Apr 13, 4:05 AM PST · 17694 days ago · 11 km deep · 68 km away
60. 2.421km N of Morongo Valley, CAThu, Apr 13, 4:15 AM PST · 17694 days ago · 9 km deep · 52 km away

The first 60 of 156.

From the USGS Earthquake Hazards Program and its partner networks, event ci3337699. Read Tue, Sep 22, 2026, 10:33 PM UTC.