M1.6 earthquake 13km SE of Anza, CA

Magnitude

1.6 (mh), micro

Local time

Sat, Mar 14, 1981, 10:03 AM PST

UTC

1981-03-14 18:03:28 UTC

Depth

8.7 km (5.4 mi), shallow

Epicenter

33.486° N, 116.566° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 1.4 km in depth

Magnitude uncertainty

±0.19

Depth from

From location

Station coverage gap

67°

Stations used

15

• Anza, CaliforniaPopulation 3,014. Forecast13 kmSE
• La Quinta, CaliforniaPopulation 40,476. Forecast31 kmSW
• Temecula, CaliforniaPopulation 110,003. Forecast54 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast102 kmNNE

After

1. 2.012km WSW of Niland, CAMon, Apr 27, 7:59 PM PDT · 16584 days ago · 10 km deep · 92 km away
2. 1.713km WSW of Niland, CAMon, Apr 27, 8:34 PM PDT · 16584 days ago · 9 km deep · 92 km away
3. 1.813km WSW of Niland, CAMon, Apr 27, 10:17 PM PDT · 16584 days ago · 11 km deep · 92 km away
4. 1.511km WNW of Calipatria, CAMon, Apr 27, 10:46 PM PDT · 16584 days ago · 12 km deep · 95 km away
5. 1.67km W of Westmorland, CAMon, Apr 27, 10:47 PM PDT · 16584 days ago · 11 km deep · 95 km away
6. 1.913km WSW of Niland, CAMon, Apr 27, 11:01 PM PDT · 16584 days ago · 11 km deep · 92 km away
7. 1.913km WSW of Niland, CAMon, Apr 27, 11:07 PM PDT · 16584 days ago · 13 km deep · 92 km away
8. 1.613km WNW of Calipatria, CAMon, Apr 27, 11:20 PM PDT · 16584 days ago · 8 km deep · 93 km away
9. 1.613km WSW of Niland, CAMon, Apr 27, 11:49 PM PDT · 16584 days ago · 9 km deep · 93 km away
10. 1.511km WNW of Calipatria, CATue, Apr 28, 12:34 AM PDT · 16584 days ago · 15 km deep · 94 km away
11. 1.913km WNW of Calipatria, CATue, Apr 28, 1:10 AM PDT · 16584 days ago · 10 km deep · 93 km away
12. 1.76km N of Westmorland, CATue, Apr 28, 1:15 AM PDT · 16584 days ago · 10 km deep · 99 km away
13. 1.613km WNW of Calipatria, CATue, Apr 28, 1:24 AM PDT · 16584 days ago · 11 km deep · 93 km away
14. 1.712km WNW of Calipatria, CATue, Apr 28, 1:26 AM PDT · 16584 days ago · 9 km deep · 94 km away
15. 1.514km WSW of Niland, CATue, Apr 28, 1:54 AM PDT · 16584 days ago · 8 km deep · 92 km away
16. 1.812km WSW of Niland, CATue, Apr 28, 2:17 AM PDT · 16584 days ago · 8 km deep · 92 km away
17. 1.58km WSW of Calipatria, CATue, Apr 28, 2:35 AM PDT · 16584 days ago · 8 km deep · 100 km away
18. 1.913km WSW of Niland, CATue, Apr 28, 3:25 AM PDT · 16584 days ago · 8 km deep · 92 km away
19. 1.812km WSW of Niland, CATue, Apr 28, 3:26 AM PDT · 16584 days ago · 6 km deep · 93 km away
20. 1.912km WSW of Niland, CATue, Apr 28, 3:35 AM PDT · 16584 days ago · 6 km deep · 92 km away
21. 1.612km WSW of Niland, CATue, Apr 28, 3:37 AM PDT · 16584 days ago · 5 km deep · 92 km away
22. 1.94km SSW of Niland, CATue, Apr 28, 5:44 AM PDT · 16584 days ago · 6 km deep · 100 km away
23. 1.813km WNW of Calipatria, CATue, Apr 28, 5:51 AM PDT · 16584 days ago · 5 km deep · 92 km away
24. 1.712km WSW of Niland, CATue, Apr 28, 5:53 AM PDT · 16584 days ago · 8 km deep · 92 km away
25. 1.85km NNW of Westmorland, CATue, Apr 28, 6:44 AM PDT · 16584 days ago · 4 km deep · 97 km away
26. 1.512km WSW of Niland, CATue, Apr 28, 6:54 AM PDT · 16584 days ago · 5 km deep · 93 km away
27. 2.44km WSW of Niland, CATue, Apr 28, 7:00 AM PDT · 16584 days ago · 3 km deep · 98 km away
28. 1.54km SW of Niland, CATue, Apr 28, 7:03 AM PDT · 16584 days ago · 4 km deep · 99 km away
29. 1.77km WSW of Westmorland, CATue, Apr 28, 7:13 AM PDT · 16584 days ago · 12 km deep · 96 km away
30. 2.14km SW of Niland, CATue, Apr 28, 7:16 AM PDT · 16584 days ago · 2 km deep · 100 km away
31. 2.15km WNW of Westmorland, CATue, Apr 28, 7:31 AM PDT · 16584 days ago · 5 km deep · 96 km away
32. 1.713km WNW of Calipatria, CATue, Apr 28, 7:44 AM PDT · 16584 days ago · 6 km deep · 93 km away
33. 1.912km WSW of Niland, CATue, Apr 28, 8:13 AM PDT · 16584 days ago · 9 km deep · 92 km away
34. 1.75km N of Westmorland, CATue, Apr 28, 9:26 AM PDT · 16583 days ago · 7 km deep · 98 km away
35. 1.513km WNW of Calipatria, CATue, Apr 28, 9:44 AM PDT · 16583 days ago · 5 km deep · 93 km away
36. 1.712km WNW of Calipatria, CATue, Apr 28, 9:57 AM PDT · 16583 days ago · 8 km deep · 93 km away
37. 1.711km WNW of Calipatria, CATue, Apr 28, 10:36 AM PDT · 16583 days ago · 10 km deep · 95 km away
38. 2.213km WSW of Niland, CATue, Apr 28, 10:59 AM PDT · 16583 days ago · 11 km deep · 92 km away
39. 2.07km W of Westmorland, CATue, Apr 28, 11:02 AM PDT · 16583 days ago · 10 km deep · 95 km away
40. 1.66km W of Westmorland, CATue, Apr 28, 11:21 AM PDT · 16583 days ago · 8 km deep · 96 km away
41. 1.84km SW of Niland, CATue, Apr 28, 11:32 AM PDT · 16583 days ago · 2 km deep · 99 km away
42. 1.94km SW of Niland, CATue, Apr 28, 11:44 AM PDT · 16583 days ago · 2 km deep · 99 km away
43. 1.712km SW of Westmorland, CATue, Apr 28, 11:50 AM PDT · 16583 days ago · 11 km deep · 96 km away
44. 1.57km WSW of Westmorland, CATue, Apr 28, 1:19 PM PDT · 16583 days ago · 5 km deep · 97 km away
45. 1.614km WSW of Niland, CATue, Apr 28, 1:26 PM PDT · 16583 days ago · 3 km deep · 91 km away
46. 1.76km N of Westmorland, CATue, Apr 28, 1:30 PM PDT · 16583 days ago · 9 km deep · 98 km away
47. 1.915km WSW of Niland, CATue, Apr 28, 2:58 PM PDT · 16583 days ago · 4 km deep · 90 km away
48. 1.58km NNE of Westmorland, CATue, Apr 28, 3:48 PM PDT · 16583 days ago · 11 km deep · 100 km away
49. 2.41km NNE of Loma Linda, CATue, Apr 28, 4:00 PM PDT · 16583 days ago · 11 km deep · 90 km away
50. 1.76km N of Westmorland, CATue, Apr 28, 5:51 PM PDT · 16583 days ago · 7 km deep · 98 km away
51. 1.56km W of Westmorland, CATue, Apr 28, 6:42 PM PDT · 16583 days ago · 9 km deep · 96 km away
52. 2.05km NNW of Westmorland, CATue, Apr 28, 7:25 PM PDT · 16583 days ago · 5 km deep · 98 km away
53. 1.76km W of Westmorland, CATue, Apr 28, 7:52 PM PDT · 16583 days ago · 9 km deep · 96 km away
54. 2.128km SSW of Ocotillo Wells, CATue, Apr 28, 8:08 PM PDT · 16583 days ago · 12 km deep · 71 km away
55. 1.613km WSW of Niland, CATue, Apr 28, 8:10 PM PDT · 16583 days ago · 6 km deep · 92 km away
56. 2.07km W of Westmorland, CATue, Apr 28, 8:54 PM PDT · 16583 days ago · 10 km deep · 95 km away
57. 1.710km WSW of Anza, CATue, Apr 28, 9:25 PM PDT · 16583 days ago · 3 km deep · 19 km away
58. 1.510km WSW of Anza, CATue, Apr 28, 9:25 PM PDT · 16583 days ago · 4 km deep · 19 km away
59. 1.512km SE of Anza, CATue, Apr 28, 9:30 PM PDT · 16583 days ago · 8 km deep · 3 km away
60. 2.36km WNW of Westmorland, CATue, Apr 28, 10:14 PM PDT · 16583 days ago · 12 km deep · 95 km away

The first 60 of 192.

From the USGS Earthquake Hazards Program and its partner networks, event ci527434. Read Wed, Sep 23, 2026, 3:21 AM UTC.