M1.7 earthquake 17km ESE of Anza, CA

Magnitude

1.7 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Thu, Sep 20, 1990, 2:44 AM PDT

UTC

1990-09-20 09:44:14 UTC

Depth

12.9 km (8.0 mi), shallow

Epicenter

33.503° N, 116.500° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 1.1 km in depth

Depth from

From location

Station coverage gap

54°

Stations used

17

• Anza, CaliforniaPopulation 3,014. Forecast17 kmESE
• La Quinta, CaliforniaPopulation 40,476. Forecast25 kmSW
• Temecula, CaliforniaPopulation 110,003. Forecast60 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast107 kmNE

After

1. 1.88km SSW of Idyllwild, CAThu, Sep 20, 10:46 AM PDT · 13162 days ago · 16 km deep · 29 km away
2. 1.512km SW of Salton City, CAFri, Sep 21, 6:02 AM PDT · 13162 days ago · 8 km deep · 52 km away
3. 1.66km SE of Bombay Beach, CAFri, Sep 21, 12:19 PM PDT · 13161 days ago · 3 km deep · 79 km away
4. 2.89km NNW of Borrego Springs, CAFri, Sep 21, 5:46 PM PDT · 13161 days ago · 7 km deep · 21 km away
5. 1.618km NNE of Indio, CAFri, Sep 21, 7:39 PM PDT · 13161 days ago · 6 km deep · 52 km away
6. 2.43km ENE of Palomar Observatory, CAFri, Sep 21, 11:10 PM PDT · 13161 days ago · 13 km deep · 35 km away
7. 2.04km NE of Ocotillo Wells, CASat, Sep 22, 5:31 PM PDT · 13160 days ago · 10 km deep · 52 km away
8. 1.84km NE of Ocotillo Wells, CASat, Sep 22, 5:32 PM PDT · 13160 days ago · 10 km deep · 52 km away
9. 2.814km NW of Morongo Valley, CASat, Sep 22, 5:58 PM PDT · 13160 days ago · 11 km deep · 74 km away
10. 1.76km SSW of Niland, CASat, Sep 22, 8:55 PM PDT · 13160 days ago · 3 km deep · 95 km away
11. 2.07km SW of Niland, CASun, Sep 23, 4:37 AM PDT · 13160 days ago · 1 km deep · 93 km away
12. 3.04km SSW of Anza, CASun, Sep 23, 2:12 PM PDT · 13159 days ago · 12 km deep · 18 km away
13. 2.62km SW of Redlands, CASun, Sep 23, 6:39 PM PDT · 13159 days ago · 16 km deep · 88 km away
14. 2.210km SE of Ocotillo Wells, CAMon, Sep 24, 6:40 AM PDT · 13159 days ago · 8 km deep · 63 km away
15. 1.714km NNE of Thousand Palms, CAMon, Sep 24, 6:52 AM PDT · 13159 days ago · 11 km deep · 50 km away
16. 1.98km N of Borrego Springs, CAMon, Sep 24, 9:55 PM PDT · 13158 days ago · 9 km deep · 23 km away
17. 2.26km SE of Loma Linda, CAMon, Sep 24, 11:13 PM PDT · 13158 days ago · 16 km deep · 87 km away
18. 1.912km ESE of Anza, CATue, Sep 25, 6:33 PM PDT · 13157 days ago · 14 km deep · 6 km away
19. 1.720km SW of La Quinta, CATue, Sep 25, 11:56 PM PDT · 13157 days ago · 9 km deep · 5 km away
20. 1.77km NNE of Borrego Springs, CAWed, Sep 26, 4:44 AM PDT · 13157 days ago · 10 km deep · 26 km away
21. 1.720km ENE of Pine Valley, CAWed, Sep 26, 10:10 AM PDT · 13157 days ago · 8 km deep · 67 km away
22. 1.66km W of Salton City, CAWed, Sep 26, 1:50 PM PDT · 13156 days ago · 4 km deep · 51 km away
23. 2.221km SW of La Quinta, CAWed, Sep 26, 4:05 PM PDT · 13156 days ago · 9 km deep · 5 km away
24. 1.922km SW of La Quinta, CAWed, Sep 26, 6:14 PM PDT · 13156 days ago · 9 km deep · 5 km away
25. 2.114km SW of Westmorland, CAWed, Sep 26, 8:13 PM PDT · 13156 days ago · 5 km deep · 93 km away
26. 1.814km SW of Westmorland, CAWed, Sep 26, 8:14 PM PDT · 13156 days ago · 6 km deep · 95 km away
27. 1.76km SE of Valle Vista, CAWed, Sep 26, 11:40 PM PDT · 13156 days ago · 16 km deep · 39 km away
28. 2.215km SW of Westmorland, CAThu, Sep 27, 5:01 PM PDT · 13155 days ago · 7 km deep · 94 km away
29. 2.05km SSW of Aguanga, CAFri, Sep 28, 6:54 AM PDT · 13155 days ago · 4 km deep · 37 km away
30. 1.821km SW of La Quinta, CAFri, Sep 28, 12:16 PM PDT · 13154 days ago · 10 km deep · 5 km away
31. 1.713km NNE of Borrego Springs, CAFri, Sep 28, 4:40 PM PDT · 13154 days ago · 12 km deep · 21 km away
32. 1.620km WSW of Westmorland, CAFri, Sep 28, 6:06 PM PDT · 13154 days ago · 1 km deep · 90 km away
33. 1.52km WSW of Idyllwild, CASat, Sep 29, 6:43 AM PDT · 13154 days ago · 16 km deep · 34 km away
34. 2.316km ESE of Anza, CASat, Sep 29, 7:06 AM PDT · 13154 days ago · 6 km deep · 1 km away
35. 1.820km SW of La Quinta, CASun, Sep 30, 6:24 PM PDT · 13152 days ago · 7 km deep · 6 km away
36. 1.510km SW of Salton City, CAMon, Oct 1, 6:15 AM PDT · 13152 days ago · 4 km deep · 54 km away
37. 2.017km NNE of Borrego Springs, CAMon, Oct 1, 4:28 PM PDT · 13151 days ago · 11 km deep · 24 km away
38. 1.818km W of Westmorland, CAMon, Oct 1, 9:34 PM PDT · 13151 days ago · 4 km deep · 83 km away
39. 1.69km SSW of Salton City, CATue, Oct 2, 7:51 AM PDT · 13151 days ago · 1 km deep · 55 km away
40. 1.58km N of Banning, CATue, Oct 2, 6:54 PM PDT · 13150 days ago · 14 km deep · 65 km away
41. 1.921km ESE of Anza, CAWed, Oct 3, 10:42 AM PDT · 13149 days ago · 10 km deep · 5 km away
42. 1.63km NW of Loma Linda, CAThu, Oct 4, 12:43 AM PDT · 13149 days ago · 18 km deep · 96 km away
43. 2.621km ENE of Pine Valley, CAThu, Oct 4, 3:01 AM PDT · 13149 days ago · 7 km deep · 66 km away
44. 2.621km ESE of Anza, CAThu, Oct 4, 7:36 PM PDT · 13148 days ago · 16 km deep · 4 km away
45. 2.29km NNW of Borrego Springs, CAFri, Oct 5, 1:41 AM PDT · 13148 days ago · 7 km deep · 21 km away
46. 2.09km NNW of Borrego Springs, CAFri, Oct 5, 1:42 AM PDT · 13148 days ago · 7 km deep · 21 km away
47. 1.73km NNW of Beaumont, CASat, Oct 6, 4:31 AM PDT · 13147 days ago · 15 km deep · 67 km away
48. 1.59km NNE of Julian, CASat, Oct 6, 6:13 AM PDT · 13147 days ago · 13 km deep · 39 km away
49. 1.76km SE of Loma Linda, CASat, Oct 6, 11:08 AM PDT · 13146 days ago · 16 km deep · 87 km away
50. 2.32km NE of Loma Linda, CASat, Oct 6, 5:22 PM PDT · 13146 days ago · 15 km deep · 93 km away
51. 2.311km NNE of Ocotillo Wells, CASat, Oct 6, 7:46 PM PDT · 13146 days ago · 9 km deep · 51 km away
52. 2.020km SW of La Quinta, CASat, Oct 6, 11:42 PM PDT · 13146 days ago · 9 km deep · 6 km away
53. 1.96km SW of Idyllwild, CASun, Oct 7, 12:14 AM PDT · 13146 days ago · 16 km deep · 34 km away
54. 1.520km W of Westmorland, CASun, Oct 7, 1:33 AM PDT · 13146 days ago · 3 km deep · 82 km away
55. 1.55km W of Salton City, CASun, Oct 7, 8:46 AM PDT · 13146 days ago · 6 km deep · 51 km away
56. 1.511km SSW of Anza, CASun, Oct 7, 11:44 AM PDT · 13145 days ago · 11 km deep · 20 km away
57. 2.210km NE of Cabazon, CASun, Oct 7, 8:04 PM PDT · 13145 days ago · 7 km deep · 57 km away
58. 2.213km WNW of Calipatria, CASun, Oct 7, 9:13 PM PDT · 13145 days ago · 1 km deep · 88 km away
59. 1.625km NE of Thermal, CASun, Oct 7, 10:05 PM PDT · 13145 days ago · 3 km deep · 61 km away
60. 2.220km NE of Pine Valley, CASun, Oct 7, 10:26 PM PDT · 13145 days ago · 6 km deep · 66 km away

The first 60 of 193.

Before

1. 2.314km SE of Anza, CAWed, Sep 19, 11:46 PM PDT · 13163 days ago · 11 km deep · 9 km away
2. 1.912km ESE of Borrego Springs, CAWed, Sep 19, 4:51 PM PDT · 13163 days ago · 5 km deep · 38 km away
3. 2.815km ENE of Borrego Springs, CAWed, Sep 19, 4:06 PM PDT · 13163 days ago · 10 km deep · 32 km away
4. 1.715km NE of Twentynine Palms, CAWed, Sep 19, 8:28 AM PDT · 13164 days ago · 5 km deep · 96 km away
5. 2.15km SW of Idyllwild, CAWed, Sep 19, 2:29 AM PDT · 13164 days ago · 15 km deep · 32 km away
6. 1.75km SE of Loma Linda, CATue, Sep 18, 3:19 PM PDT · 13164 days ago · 18 km deep · 88 km away
7. 1.86km NE of Joshua Tree, CATue, Sep 18, 9:34 AM PDT · 13165 days ago · 1 km deep · 78 km away
8. 1.66km E of Yucca Valley, CAMon, Sep 17, 10:55 PM PDT · 13165 days ago · 3 km deep · 69 km away
9. 1.520km W of Westmorland, CAMon, Sep 17, 9:11 PM PDT · 13165 days ago · 4 km deep · 83 km away
10. 2.410km SW of Niland, CAMon, Sep 17, 5:53 AM PDT · 13166 days ago · 1 km deep · 90 km away
11. 2.26km E of Yucca Valley, CASun, Sep 16, 7:23 AM PDT · 13167 days ago · 2 km deep · 69 km away
12. 2.613km NNE of Banning, CASat, Sep 15, 10:12 PM PDT · 13167 days ago · 20 km deep · 68 km away
13. 2.011km NE of Ocotillo Wells, CASat, Sep 15, 9:45 PM PDT · 13167 days ago · 7 km deep · 53 km away
14. 2.111km SW of Salton City, CASat, Sep 15, 2:50 AM PDT · 13168 days ago · 7 km deep · 51 km away
15. 1.732km SE of Twentynine Palms, CASat, Sep 15, 1:31 AM PDT · 13168 days ago · 5 km deep · 79 km away
16. 1.53km SSW of Ocotillo, CAFri, Sep 14, 2:28 PM PDT · 13168 days ago · 2 km deep · 100 km away
17. 1.59km NNW of Borrego Springs, CAThu, Sep 13, 8:59 AM PDT · 13170 days ago · 8 km deep · 21 km away
18. 1.910km WNW of Big Bear Lake, CAThu, Sep 13, 4:15 AM PDT · 13170 days ago · 5 km deep · 98 km away
19. 2.35km SSW of Redlands, CAWed, Sep 12, 4:27 PM PDT · 13170 days ago · 14 km deep · 86 km away
20. 2.120km NE of Pine Valley, CAWed, Sep 12, 1:03 PM PDT · 13170 days ago · 5 km deep · 66 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci2005103. Read Sun, Oct 4, 2026, 4:43 AM UTC.