M2.1 earthquake 22km ESE of Anza, CA

Magnitude

2.1 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Sat, Mar 31, 1984, 1:21 AM PST

UTC

1984-03-31 09:21:05 UTC

Depth

7.6 km (4.7 mi), shallow

Epicenter

33.499° N, 116.450° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

0°

Stations used

0

• Anza, CaliforniaPopulation 3,014. Forecast22 kmESE
• La Quinta, CaliforniaPopulation 40,476. Forecast22 kmSW
• Temecula, CaliforniaPopulation 110,003. Forecast65 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast110 kmNE

After

1. 2.315km SSE of Valle Vista, CASat, Mar 31, 2:37 AM PST · 15525 days ago · 15 km deep · 40 km away
2. 1.73km SSW of Idyllwild, CASat, Mar 31, 5:23 AM PST · 15524 days ago · 17 km deep · 35 km away
3. 2.627km ENE of Pine Valley, CASat, Mar 31, 11:45 AM PST · 15524 days ago · 6 km deep · 70 km away
4. 2.428km ENE of Pine Valley, CASat, Mar 31, 12:22 PM PST · 15524 days ago · 6 km deep · 70 km away
5. 2.327km ENE of Pine Valley, CASat, Mar 31, 2:14 PM PST · 15524 days ago · 6 km deep · 69 km away
6. 3.917km S of Borrego Springs, CASat, Mar 31, 11:17 PM PST · 15524 days ago · 10 km deep · 44 km away
7. 2.04km NNE of Big Bear City, CASun, Apr 1, 5:43 AM PST · 15523 days ago · -1 km deep · 96 km away
8. 1.926km ENE of Pine Valley, CASun, Apr 1, 5:55 AM PST · 15523 days ago · 10 km deep · 66 km away
9. 1.910km NNE of Joshua Tree, CASun, Apr 1, 5:52 PM PST · 15523 days ago · 8 km deep · 81 km away
10. 2.18km NE of Aguanga, CASun, Apr 1, 11:15 PM PST · 15523 days ago · 4 km deep · 33 km away
11. 1.916km NNE of Borrego Springs, CASun, Apr 1, 11:25 PM PST · 15523 days ago · 1 km deep · 16 km away
12. 1.716km S of Borrego Springs, CASun, Apr 1, 11:27 PM PST · 15523 days ago · 6 km deep · 43 km away
13. 2.19km NNE of Julian, CAMon, Apr 2, 2:09 AM PST · 15523 days ago · 14 km deep · 40 km away
14. 1.926km ENE of Pine Valley, CAMon, Apr 2, 2:53 AM PST · 15523 days ago · 6 km deep · 64 km away
15. 2.116km NNE of Borrego Springs, CAMon, Apr 2, 3:37 AM PST · 15523 days ago · 1 km deep · 16 km away
16. 1.920km NNE of Indio, CAMon, Apr 2, 4:25 AM PST · 15523 days ago · 4 km deep · 51 km away
17. 1.76km NNE of Big Bear City, CAMon, Apr 2, 12:46 PM PST · 15522 days ago · 2 km deep · 96 km away
18. 2.65km NNE of Anza, CAMon, Apr 2, 4:13 PM PST · 15522 days ago · 12 km deep · 21 km away
19. 1.64km WNW of Garnet, CAMon, Apr 2, 7:18 PM PST · 15522 days ago · 4 km deep · 48 km away
20. 1.810km SW of Morongo Valley, CAMon, Apr 2, 10:41 PM PST · 15522 days ago · 15 km deep · 57 km away
21. 1.98km ENE of Running Springs, CATue, Apr 3, 12:24 AM PST · 15522 days ago · 5 km deep · 99 km away
22. 1.628km ENE of Pine Valley, CATue, Apr 3, 5:48 AM PST · 15521 days ago · 6 km deep · 69 km away
23. 1.628km ENE of Pine Valley, CATue, Apr 3, 5:49 AM PST · 15521 days ago · 6 km deep · 70 km away
24. 1.919km N of Borrego Springs, CATue, Apr 3, 6:26 AM PST · 15521 days ago · 10 km deep · 9 km away
25. 1.816km NNE of Borrego Springs, CATue, Apr 3, 7:18 AM PST · 15521 days ago · 1 km deep · 15 km away
26. 1.85km S of Borrego Springs, CATue, Apr 3, 10:46 PM PST · 15521 days ago · 11 km deep · 33 km away
27. 1.910km WNW of Twentynine Palms, CATue, Apr 3, 11:24 PM PST · 15521 days ago · 8 km deep · 78 km away
28. 1.815km SW of Oasis, CAWed, Apr 4, 1:07 AM PST · 15521 days ago · 5 km deep · 23 km away
29. 1.512km NE of Indio, CAWed, Apr 4, 1:24 AM PST · 15521 days ago · 2 km deep · 45 km away
30. 2.76km ESE of Julian, CAWed, Apr 4, 1:59 AM PST · 15521 days ago · 16 km deep · 50 km away
31. 2.227km ENE of Pine Valley, CAWed, Apr 4, 2:29 AM PST · 15521 days ago · 6 km deep · 70 km away
32. 1.832km SE of Twentynine Palms, CAWed, Apr 4, 9:49 AM PST · 15520 days ago · -1 km deep · 73 km away
33. 1.633km SE of Twentynine Palms, CAWed, Apr 4, 9:49 AM PST · 15520 days ago · 2 km deep · 72 km away
34. 1.67km SSW of Borrego Springs, CAWed, Apr 4, 4:40 PM PST · 15520 days ago · 12 km deep · 35 km away
35. 2.14km NE of Banning, CAWed, Apr 4, 6:36 PM PST · 15520 days ago · 20 km deep · 62 km away
36. 1.512km W of Anza, CAThu, Apr 5, 2:39 AM PST · 15520 days ago · 3 km deep · 33 km away
37. 1.610km ENE of Desert Hot Springs, CAThu, Apr 5, 3:54 AM PST · 15520 days ago · 5 km deep · 55 km away
38. 2.19km WSW of Aguanga, CAThu, Apr 5, 7:08 AM PST · 15519 days ago · 12 km deep · 48 km away
39. 1.710km ENE of Desert Hot Springs, CAThu, Apr 5, 10:02 AM PST · 15519 days ago · 4 km deep · 55 km away
40. 2.310km ENE of Desert Hot Springs, CAThu, Apr 5, 10:03 AM PST · 15519 days ago · 2 km deep · 55 km away
41. 1.910km ENE of Desert Hot Springs, CAThu, Apr 5, 10:19 AM PST · 15519 days ago · 3 km deep · 54 km away
42. 1.72km NE of Anza, CAThu, Apr 5, 1:45 PM PST · 15519 days ago · 10 km deep · 21 km away
43. 1.713km E of Borrego Springs, CAThu, Apr 5, 2:12 PM PST · 15519 days ago · 8 km deep · 34 km away
44. 1.95km SSE of Idyllwild, CAThu, Apr 5, 4:57 PM PST · 15519 days ago · 14 km deep · 33 km away
45. 1.811km NE of Ocotillo Wells, CAThu, Apr 5, 5:00 PM PST · 15519 days ago · 8 km deep · 49 km away
46. 2.45km SW of Idyllwild, CAThu, Apr 5, 5:18 PM PST · 15519 days ago · 14 km deep · 37 km away
47. 1.94km N of Banning, CAThu, Apr 5, 5:52 PM PST · 15519 days ago · 20 km deep · 65 km away
48. 2.25km WSW of Idyllwild, CAThu, Apr 5, 6:40 PM PST · 15519 days ago · 13 km deep · 38 km away
49. 2.07km S of Redlands, CAThu, Apr 5, 10:02 PM PST · 15519 days ago · 14 km deep · 88 km away
50. 1.75km SW of Idyllwild, CAFri, Apr 6, 9:50 AM PST · 15518 days ago · 15 km deep · 38 km away
51. 2.127km ENE of Pine Valley, CAFri, Apr 6, 3:07 PM PST · 15518 days ago · 6 km deep · 70 km away
52. 2.45km NNE of Cabazon, CAFri, Apr 6, 4:24 PM PST · 15518 days ago · 18 km deep · 59 km away
53. 2.42km WSW of Borrego Springs, CAFri, Apr 6, 4:42 PM PST · 15518 days ago · 3 km deep · 28 km away
54. 1.82km W of Borrego Springs, CAFri, Apr 6, 5:44 PM PST · 15518 days ago · 3 km deep · 28 km away
55. 1.96km N of Moreno Valley, CASat, Apr 7, 12:54 AM PST · 15518 days ago · 12 km deep · 90 km away
56. 2.16km SW of Idyllwild, CASat, Apr 7, 6:20 AM PST · 15517 days ago · 14 km deep · 38 km away
57. 1.923km ESE of Anza, CASat, Apr 7, 9:55 AM PST · 15517 days ago · 10 km deep · 2 km away
58. 1.517km ESE of Anza, CASat, Apr 7, 10:17 AM PST · 15517 days ago · 12 km deep · 7 km away
59. 1.828km NNW of Joshua Tree, CASat, Apr 7, 5:33 PM PST · 15517 days ago · -2 km deep · 96 km away
60. 1.920km N of Joshua Tree, CASat, Apr 7, 6:43 PM PST · 15517 days ago · 8 km deep · 91 km away

The first 60 of 189.

Before

1. 2.011km WSW of Anza, CASat, Mar 31, 1:07 AM PST · 15525 days ago · 3 km deep · 32 km away
2. 1.811km WNW of Ocotillo Wells, CAFri, Mar 30, 9:46 PM PST · 15525 days ago · 10 km deep · 40 km away
3. 1.811km SSW of Ocotillo Wells, CAFri, Mar 30, 9:34 PM PST · 15525 days ago · 6 km deep · 54 km away
4. 1.918km N of Borrego Springs, CAFri, Mar 30, 8:28 PM PST · 15525 days ago · 13 km deep · 10 km away
5. 2.212km E of Desert Hot Springs, CAFri, Mar 30, 7:20 PM PST · 15525 days ago · 7 km deep · 54 km away
6. 2.326km SSW of Ocotillo Wells, CAFri, Mar 30, 5:48 PM PST · 15525 days ago · 6 km deep · 63 km away
7. 1.822km ESE of Anza, CAFri, Mar 30, 5:16 PM PST · 15525 days ago · 5 km deep · 0 km away
8. 2.021km ESE of Anza, CAFri, Mar 30, 3:54 PM PST · 15525 days ago · 5 km deep · 1 km away
9. 1.916km NE of Thousand Palms, CAFri, Mar 30, 7:26 AM PST · 15525 days ago · 0 km deep · 49 km away
10. 1.81km SE of Big Bear Lake, CAFri, Mar 30, 1:08 AM PST · 15526 days ago · 10 km deep · 92 km away
11. 1.811km WNW of Morongo Valley, CAThu, Mar 29, 6:11 PM PST · 15526 days ago · 11 km deep · 68 km away
12. 2.310km SSW of Borrego Springs, CAThu, Mar 29, 5:58 PM PST · 15526 days ago · 12 km deep · 36 km away
13. 2.410km SSW of Borrego Springs, CAThu, Mar 29, 5:57 PM PST · 15526 days ago · 12 km deep · 36 km away
14. 2.23km SSW of Idyllwild, CAThu, Mar 29, 3:45 PM PST · 15526 days ago · 16 km deep · 35 km away
15. 2.44km SSE of Lake Henshaw, CAThu, Mar 29, 12:59 PM PST · 15526 days ago · 5 km deep · 42 km away
16. 2.19km NE of Aguanga, CAThu, Mar 29, 8:20 AM PST · 15526 days ago · 4 km deep · 32 km away
17. 1.54km NNW of Cabazon, CAThu, Mar 29, 8:16 AM PST · 15526 days ago · 15 km deep · 60 km away
18. 1.618km ENE of Thousand Palms, CAThu, Mar 29, 7:44 AM PST · 15526 days ago · 4 km deep · 50 km away
19. 2.54km SSE of Lake Henshaw, CAThu, Mar 29, 7:06 AM PST · 15526 days ago · 6 km deep · 43 km away
20. 1.60km WNW of Loma Linda, CAThu, Mar 29, 7:02 AM PST · 15526 days ago · 11 km deep · 97 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci35331. Read Fri, Oct 2, 2026, 12:52 AM UTC.