M2.5 earthquake 11km SE of Anza, CA

Magnitude

2.5 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Wed, Nov 22, 1978, 2:36 AM PST

UTC

1978-11-22 10:36:27 UTC

Depth

9.0 km (5.6 mi), shallow

Epicenter

33.472° N, 116.604° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 1.4 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

42°

Stations used

34

• Anza, CaliforniaPopulation 3,014. Forecast11 kmSE
• La Quinta, CaliforniaPopulation 40,476. Forecast35 kmSW
• Temecula, CaliforniaPopulation 110,003. Forecast51 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast99 kmNNE

After

1. 1.83km SSE of Highland, CAWed, Nov 22, 3:48 AM PST · 17484 days ago · 3 km deep · 89 km away
2. 2.310km SW of Lake Henshaw, CAWed, Nov 22, 12:10 PM PST · 17484 days ago · 13 km deep · 39 km away
3. 1.92km SSE of Loma Linda, CAWed, Nov 22, 2:53 PM PST · 17484 days ago · 17 km deep · 86 km away
4. 2.66km SSW of Banning, CAWed, Nov 22, 3:23 PM PST · 17484 days ago · 11 km deep · 52 km away
5. 1.811km NNE of Julian, CAWed, Nov 22, 9:30 PM PST · 17483 days ago · 16 km deep · 35 km away
6. 2.727km SE of Ocotillo Wells, CAThu, Nov 23, 6:06 AM PST · 17483 days ago · 6 km deep · 84 km away
7. 2.46km SE of Winchester, CAThu, Nov 23, 9:59 PM PST · 17482 days ago · 13 km deep · 46 km away
8. 2.16km WNW of Calimesa, CAFri, Nov 24, 3:18 AM PST · 17482 days ago · 16 km deep · 76 km away
9. 1.56km WNW of Calimesa, CAFri, Nov 24, 3:19 AM PST · 17482 days ago · 19 km deep · 76 km away
10. 2.16km WNW of Calimesa, CAFri, Nov 24, 3:19 AM PST · 17482 days ago · 14 km deep · 76 km away
11. 2.514km NW of Twentynine Palms, CASat, Nov 25, 1:33 AM PST · 17481 days ago · 6 km deep · 93 km away
12. 1.915km NNE of Thousand Palms, CASun, Nov 26, 6:02 AM PST · 17480 days ago · 5 km deep · 59 km away
13. 2.14km ENE of Yucaipa, CASun, Nov 26, 6:03 AM PST · 17480 days ago · 15 km deep · 74 km away
14. 1.610km N of Indio, CASun, Nov 26, 7:58 AM PST · 17480 days ago · 10 km deep · 53 km away
15. 2.36km W of Lake Henshaw, CASun, Nov 26, 8:06 AM PST · 17480 days ago · 13 km deep · 32 km away
16. 1.626km W of Westmorland, CASun, Nov 26, 9:32 AM PST · 17480 days ago · 8 km deep · 85 km away
17. 1.84km WSW of Big Bear Lake, CASun, Nov 26, 11:50 AM PST · 17480 days ago · 8 km deep · 89 km away
18. 1.815km WNW of Westmorland, CASun, Nov 26, 1:13 PM PST · 17480 days ago · 6 km deep · 89 km away
19. 2.29km NE of Desert Hot Springs, CASun, Nov 26, 6:19 PM PST · 17479 days ago · 10 km deep · 63 km away
20. 2.015km SE of Anza, CAMon, Nov 27, 9:14 PM PST · 17478 days ago · 13 km deep · 4 km away
21. 2.514km SSE of Anza, CAMon, Nov 27, 9:32 PM PST · 17478 days ago · 14 km deep · 3 km away
22. 2.69km NE of Desert Hot Springs, CATue, Nov 28, 3:53 PM PST · 17478 days ago · 0 km deep · 63 km away
23. 2.19km SW of Lake Henshaw, CAWed, Nov 29, 3:24 AM PST · 17477 days ago · 10 km deep · 39 km away
24. 2.19km W of Niland, CAThu, Nov 30, 2:09 AM PST · 17476 days ago · 4 km deep · 95 km away
25. 1.616km ESE of Anza, CAThu, Nov 30, 4:06 AM PST · 17476 days ago · 15 km deep · 9 km away
26. 1.811km W of Niland, CAThu, Nov 30, 9:43 AM PST · 17476 days ago · 5 km deep · 93 km away
27. 1.618km NW of Ocotillo, CAThu, Nov 30, 3:02 PM PST · 17476 days ago · 8 km deep · 82 km away
28. 3.023km ESE of Anza, CAThu, Nov 30, 6:29 PM PST · 17475 days ago · 11 km deep · 15 km away
29. 1.822km ESE of Anza, CAThu, Nov 30, 6:54 PM PST · 17475 days ago · 15 km deep · 14 km away
30. 1.621km ESE of Anza, CAFri, Dec 1, 12:18 AM PST · 17475 days ago · 9 km deep · 13 km away
31. 2.221km ESE of Anza, CAFri, Dec 1, 12:26 AM PST · 17475 days ago · 15 km deep · 14 km away
32. 1.87km WSW of Anza, CAFri, Dec 1, 9:25 AM PST · 17475 days ago · 6 km deep · 14 km away
33. 3.511km WNW of Garnet, CAFri, Dec 1, 3:20 PM PST · 17475 days ago · 18 km deep · 50 km away
34. 1.55km ENE of Ocotillo Wells, CAFri, Dec 1, 11:05 PM PST · 17474 days ago · 6 km deep · 59 km away
35. 2.31km ENE of Loma Linda, CASun, Dec 3, 2:53 AM PST · 17473 days ago · 17 km deep · 88 km away
36. 1.70km WNW of Beaumont, CASun, Dec 3, 10:38 AM PST · 17473 days ago · 18 km deep · 62 km away
37. 1.525km ESE of Twentynine Palms, CASun, Dec 3, 12:16 PM PST · 17473 days ago · 12 km deep · 98 km away
38. 1.81km NNW of Colton, CASun, Dec 3, 3:17 PM PST · 17473 days ago · 17 km deep · 94 km away
39. 2.211km E of Borrego Springs, CASun, Dec 3, 9:57 PM PST · 17472 days ago · 3 km deep · 41 km away
40. 2.04km SE of Loma Linda, CAMon, Dec 4, 3:06 AM PST · 17472 days ago · 15 km deep · 84 km away
41. 2.224km ENE of Pine Valley, CAMon, Dec 4, 4:20 AM PST · 17472 days ago · 14 km deep · 69 km away
42. 1.710km NE of Ocotillo Wells, CAMon, Dec 4, 4:21 PM PST · 17471 days ago · 6 km deep · 58 km away
43. 1.73km ENE of Big Bear City, CATue, Dec 5, 11:16 AM PST · 17471 days ago · 7 km deep · 91 km away
44. 1.826km WSW of Westmorland, CATue, Dec 5, 12:26 PM PST · 17471 days ago · 5 km deep · 86 km away
45. 2.34km W of Yucca Valley, CATue, Dec 5, 9:19 PM PST · 17470 days ago · 3 km deep · 73 km away
46. 1.913km ESE of Desert Hot Springs, CAWed, Dec 6, 10:40 AM PST · 17470 days ago · 5 km deep · 56 km away
47. 2.04km W of Yucca Valley, CAWed, Dec 6, 11:56 AM PST · 17470 days ago · 3 km deep · 72 km away
48. 2.34km W of Yucca Valley, CAWed, Dec 6, 11:59 AM PST · 17470 days ago · 3 km deep · 73 km away
49. 2.015km SE of Anza, CAThu, Dec 7, 1:55 AM PST · 17469 days ago · 13 km deep · 6 km away
50. 1.510km NW of Garnet, CAThu, Dec 7, 3:15 AM PST · 17469 days ago · 7 km deep · 54 km away
51. 1.626km WNW of Desert Center, CAThu, Dec 7, 4:03 AM PST · 17469 days ago · 1 km deep · 92 km away
52. 2.013km E of Desert Hot Springs, CAThu, Dec 7, 5:15 AM PST · 17469 days ago · 5 km deep · 56 km away
53. 1.524km ESE of Anza, CAThu, Dec 7, 10:20 AM PST · 17469 days ago · 13 km deep · 15 km away
54. 2.023km ESE of Anza, CAThu, Dec 7, 10:23 AM PST · 17469 days ago · 16 km deep · 15 km away
55. 1.810km S of Idyllwild, CAFri, Dec 8, 2:36 AM PST · 17468 days ago · 16 km deep · 23 km away
56. 1.524km ENE of Pine Valley, CAFri, Dec 8, 2:57 AM PST · 17468 days ago · 6 km deep · 65 km away
57. 1.523km SW of Westmorland, CAFri, Dec 8, 6:16 PM PST · 17467 days ago · 5 km deep · 95 km away
58. 2.08km E of Desert Hot Springs, CAFri, Dec 8, 7:00 PM PST · 17467 days ago · 5 km deep · 57 km away
59. 1.76km SSW of Idyllwild, CASat, Dec 9, 4:38 AM PST · 17467 days ago · 18 km deep · 28 km away
60. 2.424km WSW of Westmorland, CASun, Dec 10, 8:09 PM PST · 17465 days ago · 11 km deep · 90 km away

The first 60 of 169.

Before

1. 2.511km SE of Anza, CATue, Nov 21, 8:38 PM PST · 17484 days ago · 5 km deep · 0 km away
2. 1.616km NE of Thousand Palms, CATue, Nov 21, 8:33 PM PST · 17484 days ago · 5 km deep · 58 km away
3. 2.13km NNW of Palomar Observatory, CATue, Nov 21, 6:25 PM PST · 17484 days ago · 8 km deep · 28 km away
4. 1.619km NE of Thousand Palms, CATue, Nov 21, 1:57 PM PST · 17485 days ago · 8 km deep · 61 km away
5. 3.08km NE of Desert Hot Springs, CATue, Nov 21, 12:54 PM PST · 17485 days ago · 9 km deep · 62 km away
6. 2.010km NNE of Ocotillo Wells, CATue, Nov 21, 12:30 PM PST · 17485 days ago · 6 km deep · 56 km away
7. 1.518km ENE of Thousand Palms, CATue, Nov 21, 12:06 PM PST · 17485 days ago · 8 km deep · 59 km away
8. 1.711km NNE of Borrego Springs, CAMon, Nov 20, 5:34 PM PST · 17485 days ago · 14 km deep · 31 km away
9. 1.527km WNW of Desert Center, CAMon, Nov 20, 4:30 PM PST · 17485 days ago · 6 km deep · 92 km away
10. 3.412km SSW of Big Bear Lake, CAMon, Nov 20, 1:21 PM PST · 17486 days ago · 12 km deep · 83 km away
11. 1.512km SSW of Big Bear Lake, CAMon, Nov 20, 1:21 PM PST · 17486 days ago · 13 km deep · 83 km away
12. 2.06km NNE of Borrego Springs, CAMon, Nov 20, 8:22 AM PST · 17486 days ago · 15 km deep · 30 km away
13. 2.013km WNW of Calipatria, CAMon, Nov 20, 5:53 AM PST · 17486 days ago · 5 km deep · 96 km away
14. 2.012km WNW of Calipatria, CAMon, Nov 20, 5:46 AM PST · 17486 days ago · 5 km deep · 96 km away
15. 2.013km WNW of Calipatria, CAMon, Nov 20, 5:45 AM PST · 17486 days ago · 5 km deep · 96 km away
16. 1.511km WNW of Calipatria, CAMon, Nov 20, 4:56 AM PST · 17486 days ago · 5 km deep · 97 km away
17. 1.99km SW of Lake Henshaw, CAMon, Nov 20, 4:26 AM PST · 17486 days ago · 16 km deep · 39 km away
18. 1.912km WNW of Calipatria, CAMon, Nov 20, 4:15 AM PST · 17486 days ago · 5 km deep · 96 km away
19. 2.313km WNW of Calipatria, CAMon, Nov 20, 4:13 AM PST · 17486 days ago · 5 km deep · 96 km away
20. 1.712km WNW of Calipatria, CAMon, Nov 20, 3:10 AM PST · 17486 days ago · 6 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3314064. Read Mon, Oct 5, 2026, 11:38 AM UTC.