M1.5 earthquake 6km W of Anza, CA

Magnitude

1.5 (mh), micro

Local time

Wed, May 18, 1983, 4:44 PM PDT

UTC

1983-05-18 23:44:53 UTC

Depth

3.4 km (2.1 mi), shallow

Epicenter

33.564° N, 116.734° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.6 km in depth

Depth from

From location

Station coverage gap

75°

Stations used

12

• Anza, CaliforniaPopulation 3,014. Forecast6 kmW
• Valle Vista, CaliforniaPopulation 14,578. Forecast25 kmSE
• Temecula, CaliforniaPopulation 110,003. Forecast39 kmENE
• San Diego, CaliforniaPopulation 1,404,452. Forecast103 kmNNE

After

1. 1.516km SE of Anza, CAWed, May 18, 5:25 PM PDT · 15841 days ago · 10 km deep · 21 km away
2. 1.57km WSW of Big Bear Lake, CAThu, May 19, 1:34 AM PDT · 15840 days ago · 8 km deep · 76 km away
3. 3.15km S of Anza, CAThu, May 19, 4:05 AM PDT · 15840 days ago · 14 km deep · 8 km away
4. 1.59km ENE of Yucaipa, CAThu, May 19, 4:45 PM PDT · 15840 days ago · 15 km deep · 59 km away
5. 1.720km ESE of Anza, CAFri, May 20, 1:05 AM PDT · 15839 days ago · 6 km deep · 26 km away
6. 1.913km SE of Anza, CAFri, May 20, 3:58 AM PDT · 15839 days ago · 10 km deep · 18 km away
7. 1.726km SSW of Ocotillo Wells, CAFri, May 20, 11:34 AM PDT · 15839 days ago · 5 km deep · 82 km away
8. 2.25km SW of Idyllwild, CASat, May 21, 4:30 AM PDT · 15838 days ago · 16 km deep · 16 km away
9. 2.82km NW of Fontana, CASat, May 21, 10:44 AM PDT · 15838 days ago · 4 km deep · 92 km away
10. 2.22km NNW of Fontana, CASat, May 21, 11:58 AM PDT · 15838 days ago · 3 km deep · 92 km away
11. 1.51km ENE of Beaumont, CASat, May 21, 10:58 PM PDT · 15837 days ago · 13 km deep · 46 km away
12. 1.88km NNW of Borrego Springs, CAMon, May 23, 12:44 AM PDT · 15836 days ago · 11 km deep · 41 km away
13. 1.919km SW of La Quinta, CAMon, May 23, 6:57 AM PDT · 15836 days ago · 8 km deep · 27 km away
14. 2.00km N of Loma Linda, CAMon, May 23, 10:39 AM PDT · 15836 days ago · 15 km deep · 73 km away
15. 1.76km SW of Banning, CAMon, May 23, 2:24 PM PDT · 15836 days ago · 11 km deep · 39 km away
16. 3.116km NE of Coachella, CATue, May 24, 12:03 AM PDT · 15835 days ago · 4 km deep · 68 km away
17. 2.423km SSW of Ocotillo Wells, CATue, May 24, 6:08 AM PDT · 15835 days ago · 12 km deep · 84 km away
18. 1.623km SSW of Ocotillo Wells, CATue, May 24, 6:30 AM PDT · 15835 days ago · 5 km deep · 84 km away
19. 1.76km NE of Moreno Valley, CATue, May 24, 9:33 AM PDT · 15835 days ago · 15 km deep · 61 km away
20. 1.77km E of Running Springs, CATue, May 24, 3:56 PM PDT · 15835 days ago · 7 km deep · 77 km away
21. 2.14km SE of Garnet, CATue, May 24, 6:32 PM PDT · 15834 days ago · 8 km deep · 40 km away
22. 1.523km ESE of Anza, CATue, May 24, 7:48 PM PDT · 15834 days ago · 12 km deep · 29 km away
23. 1.623km ESE of Anza, CATue, May 24, 7:48 PM PDT · 15834 days ago · 14 km deep · 29 km away
24. 1.613km W of Morongo Valley, CATue, May 24, 9:07 PM PDT · 15834 days ago · 10 km deep · 52 km away
25. 1.82km N of Desert Hot Springs, CAWed, May 25, 12:41 AM PDT · 15834 days ago · 8 km deep · 51 km away
26. 1.511km NNE of Banning, CAWed, May 25, 4:29 AM PDT · 15834 days ago · 18 km deep · 51 km away
27. 1.76km E of Yucca Valley, CAWed, May 25, 3:28 PM PDT · 15834 days ago · -1 km deep · 69 km away
28. 1.58km ENE of Cabazon, CAWed, May 25, 5:27 PM PDT · 15834 days ago · 14 km deep · 44 km away
29. 2.21km SSE of San Jacinto, CAWed, May 25, 5:36 PM PDT · 15834 days ago · 12 km deep · 31 km away
30. 1.713km NNE of Cabazon, CAWed, May 25, 5:37 PM PDT · 15834 days ago · 9 km deep · 51 km away
31. 1.54km N of Moreno Valley, CAWed, May 25, 7:10 PM PDT · 15833 days ago · 12 km deep · 63 km away
32. 1.51km NNW of Loma Linda, CAWed, May 25, 10:11 PM PDT · 15833 days ago · 8 km deep · 74 km away
33. 2.220km ESE of Anza, CAThu, May 26, 2:37 AM PDT · 15833 days ago · 14 km deep · 25 km away
34. 3.720km ESE of Anza, CAThu, May 26, 9:30 AM PDT · 15833 days ago · 14 km deep · 26 km away
35. 2.313km NNE of Running Springs, CAThu, May 26, 11:35 AM PDT · 15833 days ago · 3 km deep · 88 km away
36. 3.69km NW of Anza, CAFri, May 27, 4:25 AM PDT · 15832 days ago · 16 km deep · 7 km away
37. 2.410km S of Idyllwild, CAFri, May 27, 4:26 AM PDT · 15832 days ago · 15 km deep · 10 km away
38. 1.810km S of Idyllwild, CAFri, May 27, 4:28 AM PDT · 15832 days ago · 14 km deep · 10 km away
39. 1.610km S of Idyllwild, CAFri, May 27, 4:29 AM PDT · 15832 days ago · 13 km deep · 10 km away
40. 1.59km S of Idyllwild, CAFri, May 27, 4:36 AM PDT · 15832 days ago · 15 km deep · 10 km away
41. 1.510km S of Idyllwild, CAFri, May 27, 4:44 AM PDT · 15832 days ago · 14 km deep · 9 km away
42. 1.620km ESE of Anza, CAFri, May 27, 9:52 AM PDT · 15832 days ago · 15 km deep · 26 km away
43. 1.53km SSW of Mentone, CAFri, May 27, 4:06 PM PDT · 15832 days ago · 13 km deep · 66 km away
44. 1.64km NNE of Ocotillo Wells, CAFri, May 27, 7:18 PM PDT · 15831 days ago · 9 km deep · 72 km away
45. 1.922km SSE of Twentynine Palms, CAFri, May 27, 8:51 PM PDT · 15831 days ago · 1 km deep · 82 km away
46. 2.35km SE of Loma Linda, CASat, May 28, 7:08 AM PDT · 15831 days ago · 13 km deep · 67 km away
47. 1.62km ESE of Anza, CASat, May 28, 5:57 PM PDT · 15831 days ago · 8 km deep · 7 km away
48. 1.618km SSW of Oasis, CASun, May 29, 12:29 AM PDT · 15830 days ago · 11 km deep · 57 km away
49. 1.86km W of Palm Springs, CASun, May 29, 5:37 AM PDT · 15830 days ago · 13 km deep · 31 km away
50. 1.716km N of Borrego Springs, CASun, May 29, 4:58 PM PDT · 15830 days ago · 4 km deep · 39 km away
51. 1.62km NNW of Moreno Valley, CAMon, May 30, 10:21 AM PDT · 15829 days ago · 10 km deep · 63 km away
52. 1.614km N of Ocotillo Wells, CATue, May 31, 4:01 AM PDT · 15828 days ago · 11 km deep · 66 km away
53. 2.59km NNE of Beaumont, CAWed, Jun 1, 1:39 AM PDT · 15827 days ago · 5 km deep · 53 km away
54. 1.611km NE of Borrego Springs, CAThu, Jun 2, 7:01 AM PDT · 15826 days ago · 3 km deep · 49 km away
55. 1.934km SE of Twentynine Palms, CAThu, Jun 2, 12:59 PM PDT · 15826 days ago · 8 km deep · 94 km away
56. 1.613km SSW of Big Bear Lake, CAThu, Jun 2, 8:28 PM PDT · 15825 days ago · 5 km deep · 68 km away
57. 2.45km NNW of Big Bear City, CAFri, Jun 3, 9:59 AM PDT · 15825 days ago · 4 km deep · 83 km away
58. 1.715km ENE of Borrego Springs, CAFri, Jun 3, 2:21 PM PDT · 15825 days ago · 3 km deep · 55 km away
59. 1.716km S of Joshua Tree, CAFri, Jun 3, 5:22 PM PDT · 15825 days ago · 8 km deep · 63 km away
60. 1.94km NE of Banning, CAFri, Jun 3, 9:51 PM PDT · 15824 days ago · 7 km deep · 44 km away

The first 60 of 173.

Before

1. 1.69km S of Yucca Valley, CAWed, May 18, 1:06 AM PDT · 15841 days ago · 9 km deep · 59 km away
2. 1.525km SW of Ocotillo Wells, CATue, May 17, 8:57 PM PDT · 15841 days ago · 5 km deep · 76 km away
3. 1.81km S of Loma Linda, CATue, May 17, 3:24 PM PDT · 15842 days ago · 17 km deep · 72 km away
4. 2.15km ENE of Banning, CATue, May 17, 3:40 AM PDT · 15842 days ago · 16 km deep · 43 km away
5. 1.510km NE of Aguanga, CAMon, May 16, 5:00 AM PDT · 15843 days ago · 7 km deep · 8 km away
6. 1.78km NNE of Borrego Springs, CAMon, May 16, 1:39 AM PDT · 15843 days ago · 12 km deep · 47 km away
7. 1.511km N of Borrego Springs, CASun, May 15, 8:19 PM PDT · 15843 days ago · 11 km deep · 40 km away
8. 1.810km W of Anza, CASun, May 15, 3:07 AM PDT · 15844 days ago · 2 km deep · 5 km away
9. 1.610km SW of Morongo Valley, CASun, May 15, 3:02 AM PDT · 15844 days ago · 10 km deep · 47 km away
10. 2.115km N of Yucca Valley, CASun, May 15, 1:07 AM PDT · 15844 days ago · 2 km deep · 80 km away
11. 2.78km E of Yucaipa, CASat, May 14, 10:41 PM PDT · 15844 days ago · 10 km deep · 56 km away
12. 1.912km NW of Ocotillo Wells, CASat, May 14, 7:26 PM PDT · 15844 days ago · 10 km deep · 61 km away
13. 1.910km NE of Big Bear City, CASat, May 14, 11:28 AM PDT · 15845 days ago · 2 km deep · 85 km away
14. 1.714km N of Cabazon, CASat, May 14, 9:19 AM PDT · 15845 days ago · 3 km deep · 54 km away
15. 1.62km SSW of Devore, CASat, May 14, 8:38 AM PDT · 15845 days ago · 3 km deep · 95 km away
16. 1.52km SSW of Devore, CASat, May 14, 7:32 AM PDT · 15845 days ago · 4 km deep · 95 km away
17. 1.613km SE of Anza, CASat, May 14, 4:36 AM PDT · 15845 days ago · 8 km deep · 18 km away
18. 1.610km W of Anza, CAFri, May 13, 8:20 PM PDT · 15845 days ago · 3 km deep · 4 km away
19. 1.518km SSW of Oasis, CAFri, May 13, 3:11 PM PDT · 15846 days ago · 9 km deep · 59 km away
20. 1.81km E of Anza, CAFri, May 13, 12:23 AM PDT · 15846 days ago · 8 km deep · 7 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci1108024. Read Wed, Sep 30, 2026, 12:52 PM UTC.