M2.3 earthquake 11km WSW of Anza, CA

Magnitude

2.3 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Thu, Oct 26, 1978, 5:52 AM PDT

UTC

1978-10-26 12:52:56 UTC

Depth

4.7 km (2.9 mi), shallow

Epicenter

33.516° N, 116.781° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.32

Depth from

From location

Station coverage gap

37°

Stations used

42

• Anza, CaliforniaPopulation 3,014. Forecast11 kmWSW
• Valle Vista, CaliforniaPopulation 14,578. Forecast28 kmSSE
• Temecula, CaliforniaPopulation 110,003. Forecast34 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast96 kmNNE

After

1. 2.79km NE of Running Springs, CAThu, Oct 26, 7:46 AM PDT · 17511 days ago · 6 km deep · 87 km away
2. 1.615km NW of Twentynine Palms, CAThu, Oct 26, 9:09 AM PDT · 17511 days ago · 12 km deep · 97 km away
3. 2.69km NE of Running Springs, CAThu, Oct 26, 10:43 AM PDT · 17511 days ago · 6 km deep · 87 km away
4. 1.68km NNE of Big Bear City, CAFri, Oct 27, 9:26 PM PDT · 17509 days ago · 11 km deep · 90 km away
5. 1.57km WNW of Twentynine Palms, CASat, Oct 28, 2:46 AM PDT · 17509 days ago · 8 km deep · 92 km away
6. 2.218km ESE of Anza, CASat, Oct 28, 12:15 PM PDT · 17509 days ago · 9 km deep · 28 km away
7. 1.723km ENE of Coachella, CASat, Oct 28, 3:05 PM PDT · 17509 days ago · 3 km deep · 82 km away
8. 1.73km E of Borrego Springs, CASat, Oct 28, 3:31 PM PDT · 17509 days ago · 13 km deep · 49 km away
9. 1.614km S of Anza, CASat, Oct 28, 8:15 PM PDT · 17509 days ago · 14 km deep · 12 km away
10. 1.98km W of Big Bear Lake, CASat, Oct 28, 10:23 PM PDT · 17508 days ago · 10 km deep · 82 km away
11. 1.614km NW of Twentynine Palms, CASun, Oct 29, 6:04 AM PST · 17508 days ago · 10 km deep · 96 km away
12. 2.04km ENE of Ocotillo Wells, CASun, Oct 29, 6:53 AM PST · 17508 days ago · 12 km deep · 75 km away
13. 1.97km SSE of Idyllwild, CASun, Oct 29, 11:54 AM PST · 17508 days ago · 17 km deep · 20 km away
14. 2.510km NE of Ocotillo Wells, CASun, Oct 29, 9:29 PM PST · 17507 days ago · 10 km deep · 74 km away
15. 2.310km SSW of Idyllwild, CAMon, Oct 30, 1:12 AM PST · 17507 days ago · 14 km deep · 16 km away
16. 2.42km NW of Loma Linda, CAMon, Oct 30, 3:21 AM PST · 17507 days ago · 17 km deep · 76 km away
17. 2.04km SW of Big Bear Lake, CAMon, Oct 30, 11:05 AM PST · 17507 days ago · 6 km deep · 80 km away
18. 1.812km NNE of Borrego Springs, CAMon, Oct 30, 3:02 PM PST · 17507 days ago · 9 km deep · 46 km away
19. 1.94km SW of Big Bear Lake, CAMon, Oct 30, 4:06 PM PST · 17507 days ago · 8 km deep · 80 km away
20. 1.820km ESE of Anza, CAMon, Oct 30, 5:00 PM PST · 17507 days ago · 9 km deep · 29 km away
21. 1.67km SSE of Idyllwild, CAMon, Oct 30, 6:35 PM PST · 17507 days ago · 17 km deep · 20 km away
22. 2.07km NNE of Yucca Valley, CATue, Oct 31, 4:14 AM PST · 17506 days ago · 4 km deep · 81 km away
23. 1.615km N of Borrego Springs, CATue, Oct 31, 11:39 AM PST · 17506 days ago · 10 km deep · 38 km away
24. 2.211km ESE of Julian, CATue, Oct 31, 1:57 PM PST · 17506 days ago · 15 km deep · 60 km away
25. 1.56km NE of Banning, CAWed, Nov 1, 7:01 AM PST · 17505 days ago · 22 km deep · 51 km away
26. 1.610km SW of Idyllwild, CAWed, Nov 1, 10:18 AM PST · 17505 days ago · 18 km deep · 18 km away
27. 2.211km NNE of Morongo Valley, CAWed, Nov 1, 7:36 PM PST · 17504 days ago · 10 km deep · 73 km away
28. 1.57km ENE of Anza, CAWed, Nov 1, 11:51 PM PST · 17504 days ago · 16 km deep · 17 km away
29. 1.84km W of Aguanga, CAThu, Nov 2, 2:41 AM PST · 17504 days ago · 7 km deep · 14 km away
30. 1.811km NNE of Lake Arrowhead, CAThu, Nov 2, 7:50 AM PST · 17504 days ago · 6 km deep · 97 km away
31. 2.424km ENE of Coachella, CAThu, Nov 2, 12:15 PM PST · 17504 days ago · 5 km deep · 82 km away
32. 1.86km NW of Fallbrook, CAThu, Nov 2, 12:58 PM PST · 17504 days ago · 4 km deep · 49 km away
33. 1.612km ENE of Borrego Springs, CAThu, Nov 2, 7:26 PM PST · 17503 days ago · 15 km deep · 56 km away
34. 1.811km NNE of Ocotillo Wells, CAFri, Nov 3, 12:35 AM PST · 17503 days ago · 9 km deep · 70 km away
35. 1.915km SE of Ocotillo Wells, CASat, Nov 4, 11:30 PM PST · 17501 days ago · 15 km deep · 88 km away
36. 1.515km SSE of Valle Vista, CASun, Nov 5, 8:44 AM PST · 17501 days ago · 13 km deep · 13 km away
37. 1.99km E of Yucaipa, CASun, Nov 5, 8:54 AM PST · 17501 days ago · 12 km deep · 58 km away
38. 1.95km N of Beaumont, CASun, Nov 5, 10:32 AM PST · 17501 days ago · 20 km deep · 54 km away
39. 1.912km S of Twentynine Palms, CATue, Nov 7, 1:15 AM PST · 17499 days ago · 2 km deep · 87 km away
40. 1.914km ESE of Anza, CATue, Nov 7, 6:40 AM PST · 17499 days ago · 13 km deep · 23 km away
41. 1.512km S of Twentynine Palms, CATue, Nov 7, 10:11 AM PST · 17499 days ago · 2 km deep · 87 km away
42. 1.620km ESE of Anza, CATue, Nov 7, 11:24 PM PST · 17498 days ago · 10 km deep · 29 km away
43. 1.64km NE of Joshua Tree, CAWed, Nov 8, 4:33 AM PST · 17498 days ago · 2 km deep · 85 km away
44. 1.515km SSW of Oasis, CAWed, Nov 8, 12:52 PM PST · 17498 days ago · 10 km deep · 58 km away
45. 2.614km N of Borrego Springs, CAWed, Nov 8, 9:06 PM PST · 17497 days ago · 6 km deep · 38 km away
46. 2.910km NE of Ocotillo Wells, CAThu, Nov 9, 3:00 PM PST · 17497 days ago · 15 km deep · 74 km away
47. 2.35km NE of Wildomar, CAFri, Nov 10, 1:04 AM PST · 17496 days ago · 8 km deep · 45 km away
48. 2.04km W of Aguanga, CAFri, Nov 10, 7:49 AM PST · 17496 days ago · 7 km deep · 14 km away
49. 1.69km SW of Idyllwild, CAFri, Nov 10, 8:01 AM PST · 17496 days ago · 17 km deep · 19 km away
50. 1.820km S of La Quinta, CAFri, Nov 10, 5:13 PM PST · 17496 days ago · 9 km deep · 43 km away
51. 1.94km SE of Garnet, CAFri, Nov 10, 10:31 PM PST · 17495 days ago · 3 km deep · 48 km away
52. 1.714km SE of Joshua Tree, CASat, Nov 11, 3:13 AM PST · 17495 days ago · 4 km deep · 77 km away
53. 1.823km ENE of Coachella, CASat, Nov 11, 8:42 AM PST · 17495 days ago · 4 km deep · 82 km away
54. 1.522km NE of Coachella, CASat, Nov 11, 9:10 PM PST · 17494 days ago · 10 km deep · 80 km away
55. 1.510km NNW of Ocotillo Wells, CASat, Nov 11, 9:18 PM PST · 17494 days ago · 4 km deep · 64 km away
56. 1.822km SE of Ocotillo Wells, CASun, Nov 12, 4:02 AM PST · 17494 days ago · 4 km deep · 96 km away
57. 1.95km E of Calimesa, CASun, Nov 12, 12:58 PM PST · 17494 days ago · 17 km deep · 56 km away
58. 1.711km NNE of Ocotillo Wells, CASun, Nov 12, 2:03 PM PST · 17494 days ago · 10 km deep · 71 km away
59. 1.817km SE of Anza, CAMon, Nov 13, 1:51 AM PST · 17493 days ago · 12 km deep · 25 km away
60. 1.710km SE of Valle Vista, CAMon, Nov 13, 4:51 AM PST · 17493 days ago · 15 km deep · 20 km away

The first 60 of 162.

Before

1. 2.14km ENE of Running Springs, CAThu, Oct 26, 3:17 AM PDT · 17511 days ago · 2 km deep · 83 km away
2. 2.54km ENE of Running Springs, CAThu, Oct 26, 3:15 AM PDT · 17511 days ago · 2 km deep · 83 km away
3. 2.413km SE of Anza, CAThu, Oct 26, 3:14 AM PDT · 17511 days ago · 11 km deep · 19 km away
4. 1.84km NE of Running Springs, CAWed, Oct 25, 7:44 PM PDT · 17512 days ago · 2 km deep · 84 km away
5. 1.63km NNE of Running Springs, CAWed, Oct 25, 7:06 PM PDT · 17512 days ago · 7 km deep · 84 km away
6. 1.515km ENE of Borrego Springs, CAWed, Oct 25, 10:08 AM PDT · 17512 days ago · 3 km deep · 57 km away
7. 3.014km NW of Twentynine Palms, CAWed, Oct 25, 5:38 AM PDT · 17512 days ago · 10 km deep · 97 km away
8. 1.518km N of Borrego Springs, CAWed, Oct 25, 2:00 AM PDT · 17512 days ago · 13 km deep · 38 km away
9. 2.22km ESE of Dana Point, CATue, Oct 24, 8:00 PM PDT · 17513 days ago · 12 km deep · 83 km away
10. 1.813km S of Twentynine Palms, CATue, Oct 24, 7:15 PM PDT · 17513 days ago · 2 km deep · 87 km away
11. 1.612km ENE of Borrego Springs, CATue, Oct 24, 3:53 PM PDT · 17513 days ago · 5 km deep · 55 km away
12. 1.926km ENE of Pine Valley, CATue, Oct 24, 1:55 AM PDT · 17513 days ago · 10 km deep · 86 km away
13. 2.010km SW of Idyllwild, CATue, Oct 24, 1:15 AM PDT · 17513 days ago · 17 km deep · 18 km away
14. 1.86km NNE of Yucca Valley, CAMon, Oct 23, 7:34 PM PDT · 17514 days ago · 4 km deep · 80 km away
15. 1.54km NNE of Running Springs, CAMon, Oct 23, 12:47 PM PDT · 17514 days ago · 5 km deep · 85 km away
16. 2.33km WNW of Cabazon, CAMon, Oct 23, 6:47 AM PDT · 17514 days ago · 7 km deep · 46 km away
17. 2.04km N of Muscoy, CAMon, Oct 23, 6:38 AM PDT · 17514 days ago · 13 km deep · 91 km away
18. 1.817km ESE of Anza, CAMon, Oct 23, 6:04 AM PDT · 17514 days ago · 16 km deep · 25 km away
19. 1.99km NNE of Indio, CAMon, Oct 23, 1:56 AM PDT · 17514 days ago · 5 km deep · 64 km away
20. 1.921km NE of Thermal, CAMon, Oct 23, 1:03 AM PDT · 17514 days ago · 3 km deep · 80 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3343196. Read Mon, Oct 5, 2026, 2:45 PM UTC.