M1.9 earthquake 10km N of Anza, CA

Magnitude

1.9 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Thu, Jul 23, 1987, 8:33 PM PDT

UTC

1987-07-24 03:33:40 UTC

Depth

15.7 km (9.8 mi), shallow

Epicenter

33.642° N, 116.672° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

73°

Stations used

0

• Anza, CaliforniaPopulation 3,014. Forecast10 kmN
• Valle Vista, CaliforniaPopulation 14,578. Forecast24 kmESE
• Temecula, CaliforniaPopulation 110,003. Forecast47 kmENE
• San Diego, CaliforniaPopulation 1,404,452. Forecast113 kmNNE

After

1. 2.120km E of Julian, CAThu, Jul 23, 11:48 PM PDT · 14316 days ago · 4 km deep · 69 km away
2. 1.97km NNW of Garnet, CAFri, Jul 24, 3:31 AM PDT · 14315 days ago · 5 km deep · 36 km away
3. 1.96km NNW of Garnet, CAFri, Jul 24, 11:39 AM PDT · 14315 days ago · 5 km deep · 36 km away
4. 1.81km E of Colton, CASat, Jul 25, 8:54 AM PDT · 14314 days ago · 17 km deep · 75 km away
5. 2.113km N of Borrego Springs, CASat, Jul 25, 10:03 AM PDT · 14314 days ago · 10 km deep · 39 km away
6. 1.96km WSW of Borrego Springs, CASat, Jul 25, 5:15 PM PDT · 14314 days ago · 1 km deep · 49 km away
7. 2.56km W of Mira Loma, CASat, Jul 25, 8:35 PM PDT · 14314 days ago · 5 km deep · 93 km away
8. 1.511km W of Morongo Valley, CASun, Jul 26, 1:32 AM PDT · 14314 days ago · 10 km deep · 43 km away
9. 1.923km S of Twentynine Palms, CASun, Jul 26, 2:15 AM PDT · 14314 days ago · 2 km deep · 68 km away
10. 2.415km SSE of Anza, CASun, Jul 26, 5:37 AM PDT · 14313 days ago · 9 km deep · 24 km away
11. 2.04km SSW of Idyllwild, CASun, Jul 26, 8:29 AM PDT · 14313 days ago · 20 km deep · 10 km away
12. 2.03km WSW of Palomar Observatory, CASun, Jul 26, 8:51 AM PDT · 14313 days ago · 19 km deep · 39 km away
13. 2.111km N of Cabazon, CASun, Jul 26, 5:59 PM PDT · 14313 days ago · 10 km deep · 43 km away
14. 1.711km NW of Garnet, CAMon, Jul 27, 3:43 AM PDT · 14312 days ago · 3 km deep · 35 km away
15. 2.04km E of Banning, CAMon, Jul 27, 6:14 AM PDT · 14312 days ago · 6 km deep · 35 km away
16. 2.212km SW of Morongo Valley, CAMon, Jul 27, 7:20 AM PDT · 14312 days ago · 17 km deep · 36 km away
17. 2.616km NNE of Indio, CAMon, Jul 27, 1:21 PM PDT · 14312 days ago · 4 km deep · 52 km away
18. 2.422km ESE of Ocotillo Wells, CAMon, Jul 27, 5:38 PM PDT · 14312 days ago · 5 km deep · 96 km away
19. 2.610km SSE of Big Bear City, CAMon, Jul 27, 7:28 PM PDT · 14312 days ago · 12 km deep · 61 km away
20. 2.017km NNE of Indio, CAMon, Jul 27, 10:25 PM PDT · 14312 days ago · 4 km deep · 52 km away
21. 2.38km SSE of Redlands, CATue, Jul 28, 8:23 AM PDT · 14311 days ago · 14 km deep · 59 km away
22. 2.210km SSE of Ocotillo Wells, CATue, Jul 28, 8:42 AM PDT · 14311 days ago · 11 km deep · 85 km away
23. 2.323km ESE of Ocotillo Wells, CATue, Jul 28, 11:08 AM PDT · 14311 days ago · 6 km deep · 96 km away
24. 2.018km ESE of Anza, CATue, Jul 28, 4:54 PM PDT · 14311 days ago · 15 km deep · 24 km away
25. 2.018km ESE of Anza, CATue, Jul 28, 4:59 PM PDT · 14311 days ago · 15 km deep · 24 km away
26. 1.918km ESE of Anza, CATue, Jul 28, 5:05 PM PDT · 14311 days ago · 15 km deep · 24 km away
27. 2.36km S of Morongo Valley, CATue, Jul 28, 9:30 PM PDT · 14311 days ago · 10 km deep · 40 km away
28. 1.88km NNW of Cabazon, CAWed, Jul 29, 2:36 AM PDT · 14311 days ago · 19 km deep · 41 km away
29. 2.14km N of Aguanga, CAWed, Jul 29, 4:43 AM PDT · 14310 days ago · 7 km deep · 26 km away
30. 2.012km NNE of Ocotillo Wells, CAWed, Jul 29, 5:13 AM PDT · 14310 days ago · 8 km deep · 72 km away
31. 1.84km NE of Fontana, CAThu, Jul 30, 1:01 AM PDT · 14310 days ago · 8 km deep · 88 km away
32. 2.021km ENE of Pine Valley, CAThu, Jul 30, 3:12 AM PDT · 14309 days ago · 5 km deep · 85 km away
33. 2.012km NNE of Ocotillo Wells, CAThu, Jul 30, 4:43 AM PDT · 14309 days ago · 9 km deep · 71 km away
34. 2.23km ENE of Banning, CAThu, Jul 30, 12:04 PM PDT · 14309 days ago · 5 km deep · 36 km away
35. 2.23km WNW of Mead Valley, CAThu, Jul 30, 12:35 PM PDT · 14309 days ago · 16 km deep · 64 km away
36. 1.86km N of Desert Hot Springs, CAThu, Jul 30, 3:59 PM PDT · 14309 days ago · 11 km deep · 45 km away
37. 2.05km NNE of Ocotillo Wells, CAThu, Jul 30, 9:10 PM PDT · 14309 days ago · 10 km deep · 72 km away
38. 1.55km NNE of Fontana, CAThu, Jul 30, 9:28 PM PDT · 14309 days ago · 11 km deep · 90 km away
39. 2.04km S of Idyllwild, CAThu, Jul 30, 9:51 PM PDT · 14309 days ago · 17 km deep · 9 km away
40. 1.97km E of Ocotillo Wells, CAFri, Jul 31, 12:36 AM PDT · 14309 days ago · 9 km deep · 79 km away
41. 2.27km SSE of Redlands, CASat, Aug 1, 6:46 PM PDT · 14307 days ago · 17 km deep · 60 km away
42. 2.41km SSW of Loma Linda, CASun, Aug 2, 12:37 AM PDT · 14307 days ago · 16 km deep · 70 km away
43. 2.07km SW of Morongo Valley, CASun, Aug 2, 4:50 AM PDT · 14306 days ago · 9 km deep · 40 km away
44. 2.24km NNE of Fontana, CASun, Aug 2, 10:33 AM PDT · 14306 days ago · 3 km deep · 89 km away
45. 1.913km NNW of Joshua Tree, CASun, Aug 2, 9:04 PM PDT · 14306 days ago · 8 km deep · 73 km away
46. 1.913km NNW of Joshua Tree, CASun, Aug 2, 9:05 PM PDT · 14306 days ago · 5 km deep · 72 km away
47. 1.913km NNW of Joshua Tree, CASun, Aug 2, 9:29 PM PDT · 14306 days ago · 7 km deep · 73 km away
48. 2.013km NNW of Joshua Tree, CASun, Aug 2, 9:34 PM PDT · 14306 days ago · 8 km deep · 73 km away
49. 2.04km ENE of Banning, CAMon, Aug 3, 12:16 AM PDT · 14306 days ago · 5 km deep · 36 km away
50. 2.211km WNW of Garnet, CAMon, Aug 3, 3:39 AM PDT · 14305 days ago · 11 km deep · 34 km away
51. 2.310km SSE of Salton City, CAMon, Aug 3, 10:39 AM PDT · 14305 days ago · 4 km deep · 83 km away
52. 2.012km N of Borrego Springs, CAMon, Aug 3, 11:41 AM PDT · 14305 days ago · 10 km deep · 42 km away
53. 2.913km NNW of Joshua Tree, CAMon, Aug 3, 2:45 PM PDT · 14305 days ago · 9 km deep · 72 km away
54. 2.613km NNW of Joshua Tree, CAMon, Aug 3, 9:56 PM PDT · 14305 days ago · 9 km deep · 72 km away
55. 2.111km N of Cabazon, CATue, Aug 4, 8:20 AM PDT · 14304 days ago · 16 km deep · 43 km away
56. 1.99km WSW of Morongo Valley, CATue, Aug 4, 1:00 PM PDT · 14304 days ago · 8 km deep · 41 km away
57. 2.13km WNW of Borrego Springs, CATue, Aug 4, 3:59 PM PDT · 14304 days ago · 3 km deep · 48 km away
58. 2.26km WSW of Morongo Valley, CAWed, Aug 5, 12:12 AM PDT · 14304 days ago · 12 km deep · 44 km away
59. 2.07km NE of Running Springs, CAWed, Aug 5, 1:35 AM PDT · 14304 days ago · 8 km deep · 77 km away
60. 1.910km SW of Salton City, CAWed, Aug 5, 2:41 AM PDT · 14304 days ago · 5 km deep · 75 km away

The first 60 of 185.

Before

1. 2.14km NE of Fontana, CAThu, Jul 23, 3:50 PM PDT · 14316 days ago · 6 km deep · 88 km away
2. 2.220km E of Julian, CAThu, Jul 23, 12:02 PM PDT · 14316 days ago · 4 km deep · 70 km away
3. 2.419km E of Julian, CAThu, Jul 23, 11:40 AM PDT · 14316 days ago · 4 km deep · 70 km away
4. 2.010km WSW of Anza, CAThu, Jul 23, 11:23 AM PDT · 14316 days ago · 3 km deep · 16 km away
5. 2.117km NNE of Indio, CAThu, Jul 23, 12:18 AM PDT · 14317 days ago · 1 km deep · 53 km away
6. 2.09km SW of Morongo Valley, CAWed, Jul 22, 10:12 PM PDT · 14317 days ago · 9 km deep · 40 km away
7. 2.117km NNE of Indio, CAWed, Jul 22, 9:27 PM PDT · 14317 days ago · 4 km deep · 52 km away
8. 2.18km NW of Garnet, CAWed, Jul 22, 8:47 PM PDT · 14317 days ago · 11 km deep · 35 km away
9. 2.915km SE of Anza, CAWed, Jul 22, 3:54 PM PDT · 14317 days ago · 10 km deep · 23 km away
10. 1.86km SSW of Devore, CAWed, Jul 22, 9:56 AM PDT · 14317 days ago · 6 km deep · 92 km away
11. 2.45km W of Desert Hot Springs, CAWed, Jul 22, 7:51 AM PDT · 14317 days ago · 7 km deep · 37 km away
12. 2.35km N of Ocotillo Wells, CAWed, Jul 22, 3:06 AM PDT · 14317 days ago · 10 km deep · 71 km away
13. 1.816km NNE of Indio, CAWed, Jul 22, 12:20 AM PDT · 14318 days ago · 4 km deep · 52 km away
14. 2.515km N of Indio, CAWed, Jul 22, 12:01 AM PDT · 14318 days ago · 5 km deep · 50 km away
15. 1.816km N of Indio, CATue, Jul 21, 11:49 PM PDT · 14318 days ago · 4 km deep · 51 km away
16. 1.816km NNE of Indio, CATue, Jul 21, 11:49 PM PDT · 14318 days ago · 2 km deep · 52 km away
17. 2.016km N of Indio, CATue, Jul 21, 11:45 PM PDT · 14318 days ago · 4 km deep · 52 km away
18. 2.118km NNE of Indio, CATue, Jul 21, 11:33 PM PDT · 14318 days ago · 2 km deep · 53 km away
19. 1.916km NNE of Indio, CATue, Jul 21, 11:18 PM PDT · 14318 days ago · 4 km deep · 52 km away
20. 3.117km NNE of Indio, CATue, Jul 21, 11:06 PM PDT · 14318 days ago · 2 km deep · 52 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci726749. Read Fri, Oct 2, 2026, 9:25 PM UTC.