M1.6 earthquake 8km NNW of Anza, CA

Magnitude

1.6 (mh), micro

Local time

Thu, Feb 12, 1981, 6:31 PM PST

UTC

1981-02-13 02:31:35 UTC

Depth

16.1 km (10.0 mi), shallow

Epicenter

33.620° N, 116.714° 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

±0.51

Depth from

From location

Station coverage gap

85°

Stations used

23

• Anza, CaliforniaPopulation 3,014. Forecast8 kmNNW
• Valle Vista, CaliforniaPopulation 14,578. Forecast22 kmSE
• Temecula, CaliforniaPopulation 110,003. Forecast43 kmENE
• San Diego, CaliforniaPopulation 1,404,452. Forecast109 kmNNE

After

1. 1.611km WSW of Anza, CASat, Feb 14, 6:30 PM PST · 16656 days ago · 9 km deep · 14 km away
2. 1.710km NE of Aguanga, CASun, Feb 15, 2:01 AM PST · 16656 days ago · 4 km deep · 15 km away
3. 2.210km S of Yucca Valley, CASun, Feb 15, 2:28 AM PST · 16656 days ago · 5 km deep · 53 km away
4. 1.910km NE of Desert Hot Springs, CASun, Feb 15, 6:15 AM PST · 16655 days ago · 6 km deep · 52 km away
5. 2.310km WSW of Anza, CAMon, Feb 16, 1:16 AM PST · 16655 days ago · 4 km deep · 14 km away
6. 1.611km WSW of Anza, CAMon, Feb 16, 1:17 AM PST · 16655 days ago · 5 km deep · 14 km away
7. 1.76km ENE of Running Springs, CAWed, Feb 18, 5:36 PM PST · 16652 days ago · 7 km deep · 74 km away
8. 2.818km NNE of Pine Valley, CAWed, Feb 18, 10:37 PM PST · 16652 days ago · 5 km deep · 78 km away
9. 1.64km SE of Lytle Creek, CAWed, Feb 18, 11:50 PM PST · 16652 days ago · 5 km deep · 97 km away
10. 1.78km NE of Aguanga, CAThu, Feb 19, 6:24 AM PST · 16651 days ago · 7 km deep · 17 km away
11. 1.87km SSE of Redlands, CAThu, Feb 19, 9:08 AM PST · 16651 days ago · 13 km deep · 59 km away
12. 1.810km S of Idyllwild, CAThu, Feb 19, 12:50 PM PST · 16651 days ago · 15 km deep · 3 km away
13. 1.98km NE of Aguanga, CAThu, Feb 19, 1:07 PM PST · 16651 days ago · 4 km deep · 16 km away
14. 1.826km SSE of Twentynine Palms, CAThu, Feb 19, 3:02 PM PST · 16651 days ago · -1 km deep · 81 km away
15. 1.514km SSE of Joshua Tree, CAThu, Feb 19, 9:26 PM PST · 16651 days ago · -1 km deep · 62 km away
16. 2.211km N of Yucca Valley, CAFri, Feb 20, 7:05 AM PST · 16650 days ago · -1 km deep · 71 km away
17. 2.317km NNE of Indio, CAFri, Feb 20, 6:20 PM PST · 16650 days ago · 4 km deep · 58 km away
18. 3.122km ESE of Anza, CASat, Feb 21, 7:09 AM PST · 16649 days ago · 5 km deep · 28 km away
19. 2.618km NNE of Pine Valley, CASat, Feb 21, 10:19 AM PST · 16649 days ago · 7 km deep · 78 km away
20. 1.618km NNE of Indio, CASat, Feb 21, 10:25 AM PST · 16649 days ago · 4 km deep · 59 km away
21. 2.99km NNE of Ocotillo Wells, CASat, Feb 21, 1:45 PM PST · 16649 days ago · 6 km deep · 74 km away
22. 3.410km SSW of Idyllwild, CASat, Feb 21, 2:56 PM PST · 16649 days ago · 11 km deep · 6 km away
23. 2.58km SSW of Idyllwild, CASat, Feb 21, 2:56 PM PST · 16649 days ago · 10 km deep · 6 km away
24. 2.18km SSW of Idyllwild, CASat, Feb 21, 2:58 PM PST · 16649 days ago · 14 km deep · 7 km away
25. 1.66km SSW of Salton City, CASat, Feb 21, 11:34 PM PST · 16649 days ago · 6 km deep · 80 km away
26. 2.56km SSW of Salton City, CASun, Feb 22, 12:50 AM PST · 16649 days ago · 13 km deep · 80 km away
27. 1.93km E of Colton, CASun, Feb 22, 4:10 PM PST · 16648 days ago · 16 km deep · 73 km away
28. 1.76km SE of Loma Linda, CAMon, Feb 23, 1:46 AM PST · 16648 days ago · 15 km deep · 64 km away
29. 2.52km ESE of Loma Linda, CAMon, Feb 23, 2:49 AM PST · 16648 days ago · 15 km deep · 67 km away
30. 1.510km NE of Aguanga, CAWed, Feb 25, 3:37 AM PST · 16645 days ago · 4 km deep · 15 km away
31. 1.722km NNW of Yucca Valley, CAThu, Feb 26, 1:10 AM PST · 16645 days ago · 2 km deep · 79 km away
32. 1.69km WNW of Twentynine Palms, CAThu, Feb 26, 8:44 AM PST · 16644 days ago · 8 km deep · 81 km away
33. 2.18km NE of Aguanga, CAThu, Feb 26, 4:25 PM PST · 16644 days ago · 3 km deep · 17 km away
34. 1.918km SSE of Joshua Tree, CAThu, Feb 26, 4:39 PM PST · 16644 days ago · 5 km deep · 57 km away
35. 1.911km NE of Trabuco Canyon, CAThu, Feb 26, 6:53 PM PST · 16644 days ago · 7 km deep · 74 km away
36. 1.72km SSE of Loma Linda, CAThu, Feb 26, 9:42 PM PST · 16644 days ago · 15 km deep · 68 km away
37. 1.518km S of Joshua Tree, CAFri, Feb 27, 3:02 AM PST · 16643 days ago · 2 km deep · 57 km away
38. 1.910km NE of Aguanga, CAFri, Feb 27, 4:47 AM PST · 16643 days ago · 5 km deep · 15 km away
39. 1.712km NE of Borrego Springs, CAFri, Feb 27, 5:15 AM PST · 16643 days ago · 9 km deep · 52 km away
40. 1.518km NNE of Indio, CAFri, Feb 27, 7:15 AM PST · 16643 days ago · 5 km deep · 59 km away
41. 1.520km ESE of Anza, CAFri, Feb 27, 7:19 AM PST · 16643 days ago · 8 km deep · 27 km away
42. 1.99km NE of Aguanga, CAFri, Feb 27, 11:18 AM PST · 16643 days ago · 6 km deep · 16 km away
43. 2.05km NE of Borrego Springs, CASat, Feb 28, 1:42 AM PST · 16643 days ago · 12 km deep · 50 km away
44. 1.612km NNE of Borrego Springs, CASat, Feb 28, 2:02 AM PST · 16643 days ago · 11 km deep · 48 km away
45. 1.69km NE of Aguanga, CASat, Feb 28, 8:22 AM PST · 16642 days ago · 3 km deep · 16 km away
46. 2.010km NE of Aguanga, CASat, Feb 28, 12:19 PM PST · 16642 days ago · 3 km deep · 15 km away
47. 1.79km NE of Foothill Ranch, CAMon, Mar 2, 12:55 AM PST · 16641 days ago · 5 km deep · 82 km away
48. 1.812km NNE of Trabuco Canyon, CAMon, Mar 2, 1:06 AM PST · 16641 days ago · 0 km deep · 76 km away
49. 2.411km NNE of Trabuco Canyon, CAMon, Mar 2, 1:26 AM PST · 16641 days ago · 3 km deep · 76 km away
50. 1.68km SW of Beaumont, CAMon, Mar 2, 3:07 PM PST · 16640 days ago · 15 km deep · 41 km away
51. 1.717km S of Borrego Springs, CAMon, Mar 2, 8:04 PM PST · 16640 days ago · 5 km deep · 65 km away
52. 1.77km SSE of Big Bear Lake, CAMon, Mar 2, 9:50 PM PST · 16640 days ago · 10 km deep · 64 km away
53. 1.69km NE of Aguanga, CATue, Mar 3, 1:23 AM PST · 16640 days ago · 4 km deep · 16 km away
54. 1.98km NE of Aguanga, CATue, Mar 3, 3:23 AM PST · 16639 days ago · 4 km deep · 17 km away
55. 1.67km NE of Aguanga, CATue, Mar 3, 2:39 PM PST · 16639 days ago · 10 km deep · 17 km away
56. 1.912km WSW of Morongo Valley, CATue, Mar 3, 8:17 PM PST · 16639 days ago · 15 km deep · 42 km away
57. 1.612km WSW of Morongo Valley, CATue, Mar 3, 9:51 PM PST · 16639 days ago · 15 km deep · 42 km away
58. 1.86km NNE of Beaumont, CAWed, Mar 4, 3:14 PM PST · 16638 days ago · 18 km deep · 46 km away
59. 1.64km W of Redlands, CAWed, Mar 4, 9:10 PM PST · 16638 days ago · 5 km deep · 68 km away
60. 1.99km SSW of Idyllwild, CAThu, Mar 5, 5:06 AM PST · 16637 days ago · 12 km deep · 6 km away

The first 60 of 185.

From the USGS Earthquake Hazards Program and its partner networks, event ci12160367. Read Tue, Sep 22, 2026, 10:23 PM UTC.