M1.5 earthquake 20km ESE of Anza, CA

Magnitude

1.5 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Sat, Sep 19, 1981, 4:26 PM PDT

UTC

1981-09-19 23:26:01 UTC

Depth

20.2 km (12.5 mi), shallow

Epicenter

33.506° N, 116.468° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.2 km horizontally, 2.8 km in depth

Depth from

From location

Station coverage gap

103°

Stations used

8

• Anza, CaliforniaPopulation 3,014. Forecast20 kmESE
• La Quinta, CaliforniaPopulation 40,476. Forecast23 kmSW
• Temecula, CaliforniaPopulation 110,003. Forecast63 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast109 kmNE

After

1. 1.65km S of Idyllwild, CASat, Sep 19, 4:30 PM PDT · 16451 days ago · 16 km deep · 32 km away
2. 1.611km SW of Westmorland, CASat, Sep 19, 7:49 PM PDT · 16451 days ago · 8 km deep · 93 km away
3. 1.522km SSW of La Quinta, CASat, Sep 19, 8:37 PM PDT · 16451 days ago · 9 km deep · 4 km away
4. 1.518km NNW of Joshua Tree, CASun, Sep 20, 12:01 PM PDT · 16450 days ago · 9 km deep · 87 km away
5. 1.65km E of Borrego Springs, CASun, Sep 20, 6:00 PM PDT · 16450 days ago · 4 km deep · 30 km away
6. 2.610km NNE of Ocotillo Wells, CAMon, Sep 21, 8:21 AM PDT · 16450 days ago · 9 km deep · 47 km away
7. 1.611km NE of Aguanga, CAMon, Sep 21, 10:05 AM PDT · 16450 days ago · 3 km deep · 29 km away
8. 2.423km N of Yucca Valley, CAMon, Sep 21, 6:11 PM PDT · 16449 days ago · 0 km deep · 91 km away
9. 1.615km E of Julian, CAMon, Sep 21, 9:30 PM PDT · 16449 days ago · 9 km deep · 49 km away
10. 1.910km NNE of Ocotillo Wells, CATue, Sep 22, 3:11 AM PDT · 16449 days ago · 11 km deep · 47 km away
11. 1.611km W of Calipatria, CATue, Sep 22, 10:16 PM PDT · 16448 days ago · 8 km deep · 88 km away
12. 1.711km NE of Julian, CATue, Sep 22, 10:44 PM PDT · 16448 days ago · 10 km deep · 41 km away
13. 1.536km NW of Desert Center, CAWed, Sep 23, 6:00 AM PDT · 16448 days ago · 8 km deep · 88 km away
14. 1.512km NE of Julian, CAWed, Sep 23, 2:47 PM PDT · 16447 days ago · 8 km deep · 41 km away
15. 1.523km SE of Ocotillo Wells, CAThu, Sep 24, 12:16 AM PDT · 16447 days ago · 10 km deep · 74 km away
16. 2.324km ESE of Julian, CAThu, Sep 24, 2:41 AM PDT · 16447 days ago · 6 km deep · 56 km away
17. 1.721km WSW of Westmorland, CAThu, Sep 24, 2:16 PM PDT · 16446 days ago · 8 km deep · 88 km away
18. 1.720km WSW of Westmorland, CAThu, Sep 24, 11:05 PM PDT · 16446 days ago · 5 km deep · 88 km away
19. 3.310km NNE of Banning, CAFri, Sep 25, 7:13 AM PDT · 16446 days ago · 21 km deep · 66 km away
20. 1.518km NE of Coachella, CAFri, Sep 25, 9:22 AM PDT · 16446 days ago · 0 km deep · 51 km away
21. 1.624km ENE of Pine Valley, CAFri, Sep 25, 6:58 PM PDT · 16445 days ago · 5 km deep · 65 km away
22. 1.513km SE of Anza, CAFri, Sep 25, 9:46 PM PDT · 16445 days ago · 8 km deep · 9 km away
23. 1.810km ENE of Aguanga, CASat, Sep 26, 6:04 AM PDT · 16445 days ago · 3 km deep · 29 km away
24. 2.09km SE of Julian, CASat, Sep 26, 11:54 AM PDT · 16444 days ago · 14 km deep · 54 km away
25. 1.610km NNE of Banning, CASat, Sep 26, 2:24 PM PDT · 16444 days ago · 19 km deep · 67 km away
26. 2.710km SE of Julian, CASat, Sep 26, 3:55 PM PDT · 16444 days ago · 14 km deep · 54 km away
27. 2.010km NE of Aguanga, CASat, Sep 26, 7:01 PM PDT · 16444 days ago · 4 km deep · 29 km away
28. 2.810km SW of Westmorland, CAMon, Sep 28, 2:20 AM PDT · 16443 days ago · 14 km deep · 91 km away
29. 2.17km SE of Temecula, CAMon, Sep 28, 2:25 AM PDT · 16443 days ago · 8 km deep · 59 km away
30. 2.66km SE of Temecula, CAMon, Sep 28, 2:27 AM PDT · 16443 days ago · 7 km deep · 59 km away
31. 3.36km SE of Temecula, CAMon, Sep 28, 3:57 AM PDT · 16443 days ago · 7 km deep · 60 km away
32. 1.72km NW of Loma Linda, CAMon, Sep 28, 4:19 AM PDT · 16443 days ago · 16 km deep · 97 km away
33. 1.56km WSW of Westmorland, CAMon, Sep 28, 10:43 AM PDT · 16443 days ago · 4 km deep · 90 km away
34. 1.510km NE of Aguanga, CAMon, Sep 28, 11:31 AM PDT · 16443 days ago · 3 km deep · 29 km away
35. 1.710km SW of Westmorland, CAMon, Sep 28, 3:12 PM PDT · 16442 days ago · 11 km deep · 92 km away
36. 1.722km SSE of Twentynine Palms, CAMon, Sep 28, 8:33 PM PDT · 16442 days ago · 7 km deep · 66 km away
37. 1.86km ESE of Moreno Valley, CATue, Sep 29, 10:41 AM PDT · 16442 days ago · 12 km deep · 78 km away
38. 1.96km ESE of Moreno Valley, CATue, Sep 29, 10:44 AM PDT · 16442 days ago · 12 km deep · 79 km away
39. 2.36km SE of Temecula, CATue, Sep 29, 12:19 PM PDT · 16441 days ago · 7 km deep · 59 km away
40. 1.821km E of Julian, CATue, Sep 29, 8:56 PM PDT · 16441 days ago · 9 km deep · 52 km away
41. 1.55km SSW of Salton City, CAWed, Sep 30, 1:17 AM PDT · 16441 days ago · 3 km deep · 53 km away
42. 1.86km SE of Temecula, CAWed, Sep 30, 2:10 AM PDT · 16441 days ago · 8 km deep · 59 km away
43. 2.222km ESE of Julian, CAThu, Oct 1, 6:41 AM PDT · 16440 days ago · 10 km deep · 53 km away
44. 2.26km SE of Temecula, CAFri, Oct 2, 1:54 AM PDT · 16439 days ago · 6 km deep · 59 km away
45. 1.52km SW of Aguanga, CASat, Oct 3, 10:23 AM PDT · 16438 days ago · 3 km deep · 39 km away
46. 2.112km SE of San Diego Country Estates, CASat, Oct 3, 11:48 AM PDT · 16437 days ago · 9 km deep · 66 km away
47. 1.68km WSW of Salton City, CASun, Oct 4, 6:58 PM PDT · 16436 days ago · 2 km deep · 49 km away
48. 1.75km S of Salton City, CAMon, Oct 5, 10:16 AM PDT · 16436 days ago · 4 km deep · 54 km away
49. 2.310km N of Westmorland, CAMon, Oct 5, 1:53 PM PDT · 16435 days ago · 13 km deep · 88 km away
50. 1.96km WNW of Desert Hot Springs, CAMon, Oct 5, 6:17 PM PDT · 16435 days ago · 7 km deep · 54 km away
51. 1.516km N of Joshua Tree, CATue, Oct 6, 12:40 AM PDT · 16435 days ago · 4 km deep · 86 km away
52. 1.620km NNW of Borrego Springs, CATue, Oct 6, 1:06 PM PDT · 16434 days ago · 12 km deep · 9 km away
53. 1.712km WSW of Westmorland, CATue, Oct 6, 2:39 PM PDT · 16434 days ago · 4 km deep · 90 km away
54. 1.56km NNE of Westmorland, CAWed, Oct 7, 2:19 PM PDT · 16433 days ago · 10 km deep · 94 km away
55. 2.52km ESE of Cabazon, CAWed, Oct 7, 5:12 PM PDT · 16433 days ago · 16 km deep · 53 km away
56. 1.58km ESE of Palomar Observatory, CAWed, Oct 7, 6:21 PM PDT · 16433 days ago · 2 km deep · 34 km away
57. 2.35km E of Calimesa, CAThu, Oct 8, 1:24 PM PDT · 16432 days ago · 13 km deep · 73 km away
58. 1.610km SE of Anza, CASat, Oct 10, 4:42 PM PDT · 16430 days ago · 9 km deep · 12 km away
59. 1.75km NNE of Cabazon, CASun, Oct 11, 12:41 AM PDT · 16430 days ago · 17 km deep · 57 km away
60. 1.911km WSW of Anza, CASun, Oct 11, 4:43 AM PDT · 16430 days ago · 4 km deep · 28 km away

The first 60 of 156.

Before

1. 1.511km SW of Westmorland, CASat, Sep 19, 3:57 PM PDT · 16451 days ago · 10 km deep · 92 km away
2. 1.55km SSW of Salton City, CASat, Sep 19, 12:05 PM PDT · 16451 days ago · 3 km deep · 53 km away
3. 1.77km NNE of Cabazon, CASat, Sep 19, 11:26 AM PDT · 16452 days ago · 7 km deep · 59 km away
4. 2.216km NNE of Pine Valley, CASat, Sep 19, 7:59 AM PDT · 16452 days ago · 9 km deep · 63 km away
5. 2.010km ESE of North Shore, CAThu, Sep 17, 10:35 PM PDT · 16453 days ago · 7 km deep · 59 km away
6. 1.55km ENE of Westmorland, CAThu, Sep 17, 10:47 AM PDT · 16454 days ago · 11 km deep · 98 km away
7. 1.922km SSE of Twentynine Palms, CAThu, Sep 17, 1:18 AM PDT · 16454 days ago · 2 km deep · 66 km away
8. 1.96km WSW of Morongo Valley, CAWed, Sep 16, 11:57 PM PDT · 16454 days ago · 11 km deep · 61 km away
9. 1.518km ENE of Thousand Palms, CAWed, Sep 16, 1:40 AM PDT · 16455 days ago · 6 km deep · 49 km away
10. 1.98km NE of San Jacinto, CAWed, Sep 16, 1:23 AM PDT · 16455 days ago · 12 km deep · 54 km away
11. 1.522km SSW of La Quinta, CATue, Sep 15, 2:09 AM PDT · 16456 days ago · 7 km deep · 5 km away
12. 1.89km E of Cabazon, CAMon, Sep 14, 5:28 PM PDT · 16456 days ago · 15 km deep · 51 km away
13. 2.06km SE of Temecula, CAMon, Sep 14, 4:58 PM PDT · 16456 days ago · 8 km deep · 60 km away
14. 1.66km WNW of Lake Henshaw, CAMon, Sep 14, 4:11 PM PDT · 16456 days ago · 11 km deep · 42 km away
15. 1.65km S of Salton City, CAMon, Sep 14, 11:35 AM PDT · 16457 days ago · 5 km deep · 55 km away
16. 1.54km SE of Temecula, CAMon, Sep 14, 4:15 AM PDT · 16457 days ago · 7 km deep · 61 km away
17. 2.56km SE of Temecula, CAMon, Sep 14, 2:54 AM PDT · 16457 days ago · 6 km deep · 59 km away
18. 1.66km W of Desert Hot Springs, CASun, Sep 13, 8:47 PM PDT · 16457 days ago · 10 km deep · 50 km away
19. 2.44km NW of Redlands, CASun, Sep 13, 6:18 PM PDT · 16457 days ago · 8 km deep · 94 km away
20. 2.911km NE of Ocotillo Wells, CASun, Sep 13, 8:53 AM PDT · 16458 days ago · 8 km deep · 49 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci523198. Read Mon, Oct 5, 2026, 6:14 AM UTC.