M1.8 earthquake 12km W of Anza, CA

Magnitude

1.8 (mc), micro

Local time

Mon, Mar 9, 1987, 10:57 PM PST

UTC

1987-03-10 06:57:15 UTC

Depth

3.5 km (2.1 mi), shallow

Epicenter

33.564° N, 116.797° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

113°

Stations used

0

• Anza, CaliforniaPopulation 3,014. Forecast11 kmW
• Valle Vista, CaliforniaPopulation 14,578. Forecast22 kmSSE
• Temecula, CaliforniaPopulation 110,003. Forecast33 kmENE
• San Diego, CaliforniaPopulation 1,404,452. Forecast100 kmNNE

After

1. 1.918km ESE of Anza, CAWed, Apr 8, 8:26 PM PDT · 14411 days ago · 12 km deep · 29 km away
2. 2.012km E of Ocotillo Wells, CAWed, Apr 8, 10:17 PM PDT · 14411 days ago · 10 km deep · 89 km away
3. 2.38km NE of Borrego Springs, CAThu, Apr 9, 2:25 AM PDT · 14411 days ago · 12 km deep · 52 km away
4. 2.211km WSW of Morongo Valley, CAThu, Apr 9, 5:02 AM PDT · 14411 days ago · 7 km deep · 51 km away
5. 1.89km SSW of Morongo Valley, CAThu, Apr 9, 5:30 AM PDT · 14411 days ago · 6 km deep · 48 km away
6. 1.98km SW of Idyllwild, CAThu, Apr 9, 9:58 AM PDT · 14411 days ago · 16 km deep · 13 km away
7. 2.214km NNE of Ocotillo Wells, CAThu, Apr 9, 11:44 AM PDT · 14411 days ago · 7 km deep · 73 km away
8. 1.913km NE of Julian, CAThu, Apr 9, 7:15 PM PDT · 14410 days ago · 8 km deep · 54 km away
9. 2.55km ENE of Yorba Linda, CAThu, Apr 9, 9:59 PM PDT · 14410 days ago · 3 km deep · 96 km away
10. 2.012km NNW of Borrego Springs, CAFri, Apr 10, 2:22 AM PDT · 14410 days ago · 12 km deep · 43 km away
11. 2.17km ENE of Cabazon, CAFri, Apr 10, 11:08 AM PDT · 14410 days ago · 0 km deep · 43 km away
12. 2.111km NNW of Cabazon, CAFri, Apr 10, 5:23 PM PDT · 14409 days ago · 11 km deep · 51 km away
13. 2.211km N of Cabazon, CAFri, Apr 10, 8:19 PM PDT · 14409 days ago · 11 km deep · 50 km away
14. 2.113km NE of Julian, CAFri, Apr 10, 9:07 PM PDT · 14409 days ago · 7 km deep · 54 km away
15. 2.56km NNW of Garnet, CASat, Apr 11, 3:53 AM PDT · 14409 days ago · 5 km deep · 47 km away
16. 1.88km S of Morongo Valley, CASat, Apr 11, 6:49 AM PDT · 14409 days ago · 8 km deep · 50 km away
17. 1.811km W of Anza, CASat, Apr 11, 8:12 AM PDT · 14409 days ago · 3 km deep · 1 km away
18. 2.38km N of Lake Henshaw, CASat, Apr 11, 11:11 AM PDT · 14409 days ago · 14 km deep · 28 km away
19. 2.26km SSE of Salton City, CASat, Apr 11, 6:14 PM PDT · 14408 days ago · 2 km deep · 87 km away
20. 2.010km N of Cabazon, CASat, Apr 11, 8:32 PM PDT · 14408 days ago · 10 km deep · 49 km away
21. 1.910km WSW of Anza, CASat, Apr 11, 9:56 PM PDT · 14408 days ago · 4 km deep · 5 km away
22. 2.217km SW of La Quinta, CASun, Apr 12, 1:10 AM PDT · 14408 days ago · 7 km deep · 35 km away
23. 1.93km W of Desert Hot Springs, CASun, Apr 12, 9:04 AM PDT · 14408 days ago · 6 km deep · 51 km away
24. 1.86km S of Morongo Valley, CASun, Apr 12, 9:29 AM PDT · 14408 days ago · 10 km deep · 51 km away
25. 2.413km NNE of Ocotillo Wells, CASun, Apr 12, 5:03 PM PDT · 14407 days ago · 11 km deep · 73 km away
26. 2.111km SSW of Morongo Valley, CASun, Apr 12, 5:17 PM PDT · 14407 days ago · 3 km deep · 46 km away
27. 2.24km WNW of Mira Loma, CAMon, Apr 13, 4:14 AM PDT · 14407 days ago · 8 km deep · 86 km away
28. 2.36km WSW of Idyllwild, CATue, Apr 14, 1:37 AM PDT · 14406 days ago · 15 km deep · 17 km away
29. 2.012km NNE of Borrego Springs, CATue, Apr 14, 3:13 AM PDT · 14406 days ago · 11 km deep · 48 km away
30. 1.98km NE of Cabazon, CATue, Apr 14, 4:25 AM PDT · 14406 days ago · 19 km deep · 46 km away
31. 1.96km SSW of Morongo Valley, CATue, Apr 14, 12:00 PM PDT · 14406 days ago · 10 km deep · 52 km away
32. 1.86km N of Moreno Valley, CATue, Apr 14, 1:22 PM PDT · 14406 days ago · 7 km deep · 60 km away
33. 2.419km E of Big Bear City, CATue, Apr 14, 2:04 PM PDT · 14406 days ago · 4 km deep · 76 km away
34. 2.527km SSW of Ocotillo Wells, CATue, Apr 14, 9:05 PM PDT · 14405 days ago · 11 km deep · 87 km away
35. 2.02km E of Muscoy, CATue, Apr 14, 9:10 PM PDT · 14405 days ago · 3 km deep · 82 km away
36. 2.027km NNW of Joshua Tree, CAWed, Apr 15, 4:17 AM PDT · 14405 days ago · 5 km deep · 98 km away
37. 2.15km SSE of Morongo Valley, CAWed, Apr 15, 6:36 AM PDT · 14405 days ago · 10 km deep · 54 km away
38. 1.912km NE of Julian, CAWed, Apr 15, 11:58 AM PDT · 14405 days ago · 5 km deep · 53 km away
39. 2.01km NNW of Colton, CAWed, Apr 15, 1:09 PM PDT · 14405 days ago · 16 km deep · 75 km away
40. 2.08km SSW of Morongo Valley, CAWed, Apr 15, 4:44 PM PDT · 14405 days ago · 5 km deep · 49 km away
41. 2.19km N of Borrego Springs, CAThu, Apr 16, 1:16 AM PDT · 14404 days ago · 10 km deep · 46 km away
42. 2.09km N of Borrego Springs, CAThu, Apr 16, 1:30 AM PDT · 14404 days ago · 10 km deep · 47 km away
43. 2.311km ESE of Anza, CAThu, Apr 16, 2:03 AM PDT · 14404 days ago · 13 km deep · 22 km away
44. 2.111km SE of Anza, CAThu, Apr 16, 2:29 AM PDT · 14404 days ago · 10 km deep · 21 km away
45. 1.813km NNE of Ocotillo Wells, CAThu, Apr 16, 3:24 AM PDT · 14404 days ago · 8 km deep · 74 km away
46. 2.623km N of Yucca Valley, CAThu, Apr 16, 4:58 AM PDT · 14404 days ago · 11 km deep · 90 km away
47. 2.024km N of Yucca Valley, CAThu, Apr 16, 5:23 AM PDT · 14404 days ago · 5 km deep · 91 km away
48. 2.22km SSE of Yorba Linda, CAThu, Apr 16, 8:35 AM PDT · 14404 days ago · 5 km deep · 99 km away
49. 2.06km ENE of Wildomar, CAThu, Apr 16, 6:03 PM PDT · 14403 days ago · 11 km deep · 39 km away
50. 2.517km S of Joshua Tree, CAThu, Apr 16, 11:20 PM PDT · 14403 days ago · 2 km deep · 66 km away
51. 1.97km SSW of Idyllwild, CAFri, Apr 17, 12:10 AM PDT · 14403 days ago · 14 km deep · 14 km away
52. 2.24km NNE of Fontana, CAFri, Apr 17, 8:25 AM PDT · 14403 days ago · 7 km deep · 86 km away
53. 2.09km SW of Morongo Valley, CAFri, Apr 17, 10:34 PM PDT · 14402 days ago · 6 km deep · 49 km away
54. 1.66km SSW of Morongo Valley, CASat, Apr 18, 1:04 AM PDT · 14402 days ago · 5 km deep · 51 km away
55. 1.98km WNW of Garnet, CASat, Apr 18, 1:46 AM PDT · 14402 days ago · 9 km deep · 42 km away
56. 2.013km NNE of Cabazon, CASat, Apr 18, 5:37 AM PDT · 14402 days ago · 10 km deep · 52 km away
57. 1.810km SW of Morongo Valley, CASat, Apr 18, 9:24 AM PDT · 14402 days ago · 6 km deep · 48 km away
58. 2.46km NNE of Cabazon, CASat, Apr 18, 1:48 PM PDT · 14402 days ago · 9 km deep · 45 km away
59. 2.020km E of Anza, CASat, Apr 18, 9:38 PM PDT · 14401 days ago · 6 km deep · 31 km away
60. 2.03km SW of Muscoy, CASun, Apr 19, 2:33 AM PDT · 14401 days ago · 14 km deep · 83 km away

The first 60 of 178.

From the USGS Earthquake Hazards Program and its partner networks, event ci718587. Read Tue, Sep 22, 2026, 11:20 AM UTC.