M1.6 earthquake 20km ESE of Anza, CA

Magnitude

1.6 (mh), micro

Local time

Wed, Feb 11, 1981, 4:24 AM PST

UTC

1981-02-11 12:24:53 UTC

Depth

5.6 km (3.5 mi), shallow

Epicenter

33.489° N, 116.475° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 2.0 km in depth

Magnitude uncertainty

±0.29

Depth from

From location

Station coverage gap

105°

Stations used

8

• Anza, CaliforniaPopulation 3,014. Forecast20 kmESE
• La Quinta, CaliforniaPopulation 40,476. Forecast25 kmSW
• Temecula, CaliforniaPopulation 110,003. Forecast62 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast107 kmNE

After

1. 2.58km SSW of Idyllwild, CASat, Feb 21, 2:56 PM PST · 16649 days ago · 10 km deep · 32 km away
2. 2.18km SSW of Idyllwild, CASat, Feb 21, 2:58 PM PST · 16649 days ago · 14 km deep · 33 km away
3. 1.66km SSW of Salton City, CASat, Feb 21, 11:34 PM PST · 16649 days ago · 6 km deep · 53 km away
4. 2.56km SSW of Salton City, CASun, Feb 22, 12:50 AM PST · 16649 days ago · 13 km deep · 54 km away
5. 1.93km E of Colton, CASun, Feb 22, 4:10 PM PST · 16648 days ago · 16 km deep · 99 km away
6. 1.85km NE of Westmorland, CASun, Feb 22, 7:35 PM PST · 16648 days ago · 12 km deep · 95 km away
7. 1.95km NE of Westmorland, CASun, Feb 22, 7:36 PM PST · 16648 days ago · 11 km deep · 96 km away
8. 1.76km SE of Loma Linda, CAMon, Feb 23, 1:46 AM PST · 16647 days ago · 15 km deep · 90 km away
9. 2.52km ESE of Loma Linda, CAMon, Feb 23, 2:49 AM PST · 16647 days ago · 15 km deep · 93 km away
10. 2.323km WSW of Westmorland, CATue, Feb 24, 10:14 PM PST · 16646 days ago · 10 km deep · 83 km away
11. 1.510km NE of Aguanga, CAWed, Feb 25, 3:37 AM PST · 16645 days ago · 4 km deep · 28 km away
12. 1.66km E of Westmorland, CAWed, Feb 25, 7:26 AM PST · 16645 days ago · 10 km deep · 99 km away
13. 1.722km NNW of Yucca Valley, CAThu, Feb 26, 1:10 AM PST · 16645 days ago · 2 km deep · 91 km away
14. 1.69km WNW of Twentynine Palms, CAThu, Feb 26, 8:44 AM PST · 16644 days ago · 8 km deep · 82 km away
15. 2.18km NE of Aguanga, CAThu, Feb 26, 4:25 PM PST · 16644 days ago · 3 km deep · 29 km away
16. 1.918km SSE of Joshua Tree, CAThu, Feb 26, 4:39 PM PST · 16644 days ago · 5 km deep · 57 km away
17. 1.911km NE of Trabuco Canyon, CAThu, Feb 26, 6:53 PM PST · 16644 days ago · 7 km deep · 99 km away
18. 2.322km W of Westmorland, CAThu, Feb 26, 7:54 PM PST · 16644 days ago · 11 km deep · 77 km away
19. 1.72km SSE of Loma Linda, CAThu, Feb 26, 9:42 PM PST · 16644 days ago · 15 km deep · 94 km away
20. 1.518km S of Joshua Tree, CAFri, Feb 27, 3:02 AM PST · 16643 days ago · 2 km deep · 57 km away
21. 2.68km N of Westmorland, CAFri, Feb 27, 4:17 AM PST · 16643 days ago · 14 km deep · 91 km away
22. 1.910km NE of Aguanga, CAFri, Feb 27, 4:47 AM PST · 16643 days ago · 5 km deep · 29 km away
23. 1.712km NE of Borrego Springs, CAFri, Feb 27, 5:15 AM PST · 16643 days ago · 9 km deep · 26 km away
24. 1.518km NNE of Indio, CAFri, Feb 27, 7:15 AM PST · 16643 days ago · 5 km deep · 52 km away
25. 1.520km ESE of Anza, CAFri, Feb 27, 7:19 AM PST · 16643 days ago · 8 km deep · 2 km away
26. 1.99km NE of Aguanga, CAFri, Feb 27, 11:18 AM PST · 16643 days ago · 6 km deep · 29 km away
27. 2.05km NE of Borrego Springs, CASat, Feb 28, 1:42 AM PST · 16642 days ago · 12 km deep · 25 km away
28. 1.612km NNE of Borrego Springs, CASat, Feb 28, 2:02 AM PST · 16642 days ago · 11 km deep · 21 km away
29. 1.69km NE of Aguanga, CASat, Feb 28, 8:22 AM PST · 16642 days ago · 3 km deep · 29 km away
30. 2.64km NNE of Westmorland, CASat, Feb 28, 11:51 AM PST · 16642 days ago · 10 km deep · 94 km away
31. 2.05km NE of Westmorland, CASat, Feb 28, 11:54 AM PST · 16642 days ago · 10 km deep · 94 km away
32. 1.95km NE of Westmorland, CASat, Feb 28, 12:15 PM PST · 16642 days ago · 10 km deep · 95 km away
33. 2.010km NE of Aguanga, CASat, Feb 28, 12:19 PM PST · 16642 days ago · 3 km deep · 28 km away
34. 1.68km SW of Beaumont, CAMon, Mar 2, 3:07 PM PST · 16640 days ago · 15 km deep · 67 km away
35. 1.717km S of Borrego Springs, CAMon, Mar 2, 8:04 PM PST · 16640 days ago · 5 km deep · 44 km away
36. 1.77km SSE of Big Bear Lake, CAMon, Mar 2, 9:50 PM PST · 16640 days ago · 10 km deep · 86 km away
37. 1.69km NE of Aguanga, CATue, Mar 3, 1:23 AM PST · 16640 days ago · 4 km deep · 29 km away
38. 1.98km NE of Aguanga, CATue, Mar 3, 3:23 AM PST · 16639 days ago · 4 km deep · 29 km away
39. 1.67km NE of Aguanga, CATue, Mar 3, 2:39 PM PST · 16639 days ago · 10 km deep · 31 km away
40. 1.912km WSW of Morongo Valley, CATue, Mar 3, 8:17 PM PST · 16639 days ago · 15 km deep · 60 km away
41. 1.612km WSW of Morongo Valley, CATue, Mar 3, 9:51 PM PST · 16639 days ago · 15 km deep · 60 km away
42. 2.215km WNW of Ocotillo, CATue, Mar 3, 11:57 PM PST · 16639 days ago · 14 km deep · 84 km away
43. 1.86km NNE of Beaumont, CAWed, Mar 4, 3:14 PM PST · 16638 days ago · 18 km deep · 71 km away
44. 1.64km W of Redlands, CAWed, Mar 4, 9:10 PM PST · 16638 days ago · 5 km deep · 94 km away
45. 1.99km SSW of Idyllwild, CAThu, Mar 5, 5:06 AM PST · 16637 days ago · 12 km deep · 33 km away
46. 1.69km SW of Beaumont, CAThu, Mar 5, 12:59 PM PST · 16637 days ago · 15 km deep · 68 km away
47. 1.77km SW of Salton City, CAFri, Mar 6, 2:58 PM PST · 16636 days ago · 5 km deep · 51 km away
48. 1.52km ENE of Banning, CAFri, Mar 6, 8:03 PM PST · 16636 days ago · 3 km deep · 60 km away
49. 1.82km NE of Banning, CAFri, Mar 6, 9:47 PM PST · 16636 days ago · 3 km deep · 61 km away
50. 2.010km NE of Aguanga, CAFri, Mar 6, 10:07 PM PST · 16636 days ago · 4 km deep · 28 km away
51. 2.02km SE of Garnet, CASat, Mar 7, 9:18 AM PST · 16635 days ago · 11 km deep · 45 km away
52. 2.05km NE of Westmorland, CASat, Mar 7, 5:57 PM PST · 16635 days ago · 10 km deep · 95 km away
53. 2.25km NNE of Westmorland, CASun, Mar 8, 3:11 AM PST · 16634 days ago · 10 km deep · 94 km away
54. 3.05km NNE of Westmorland, CASun, Mar 8, 3:11 AM PST · 16634 days ago · 10 km deep · 94 km away
55. 2.54km NE of Westmorland, CASun, Mar 8, 3:12 AM PST · 16634 days ago · 8 km deep · 95 km away
56. 3.55km NNE of Westmorland, CASun, Mar 8, 3:17 AM PST · 16634 days ago · 10 km deep · 94 km away
57. 2.511km NE of Aguanga, CASun, Mar 8, 3:17 AM PST · 16634 days ago · 5 km deep · 28 km away
58. 2.15km NE of Westmorland, CASun, Mar 8, 3:56 AM PST · 16634 days ago · 10 km deep · 96 km away
59. 1.610km WSW of Anza, CASun, Mar 8, 5:57 PM PST · 16634 days ago · -1 km deep · 28 km away
60. 2.410km NE of Aguanga, CASun, Mar 8, 7:37 PM PST · 16634 days ago · 5 km deep · 28 km away

The first 60 of 188.

From the USGS Earthquake Hazards Program and its partner networks, event ci12254619. Read Tue, Sep 22, 2026, 8:59 PM UTC.