M1.9 earthquake 8km N of Pala, CA

Magnitude

1.9 (mh), micro

Local time

Mon, Mar 20, 1978, 11:29 PM PST

UTC

1978-03-21 07:29:14 UTC

Depth

8.5 km (5.3 mi), shallow

Epicenter

33.437° N, 117.066° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 3.1 km in depth

Magnitude uncertainty

±0.12

Depth from

From location

Station coverage gap

121°

Stations used

15

• Rainbow, CaliforniaPopulation 1,832. Forecast8 kmENE
• Temecula, CaliforniaPopulation 110,003. Forecast10 kmSE
• San Diego, CaliforniaPopulation 1,404,452. Forecast81 kmN

After

1. 2.413km SE of Big Bear City, CATue, Apr 4, 10:24 AM PST · 17703 days ago · 3 km deep · 88 km away
2. 1.63km ENE of Colton, CATue, Apr 4, 11:15 AM PST · 17703 days ago · 15 km deep · 75 km away
3. 1.611km SE of Anza, CATue, Apr 4, 11:17 AM PST · 17703 days ago · 11 km deep · 44 km away
4. 1.911km SE of Anza, CATue, Apr 4, 5:38 PM PST · 17703 days ago · 8 km deep · 43 km away
5. 2.212km E of Desert Hot Springs, CATue, Apr 4, 9:56 PM PST · 17703 days ago · 5 km deep · 89 km away
6. 2.08km WSW of Beaumont, CATue, Apr 4, 10:15 PM PST · 17703 days ago · 13 km deep · 53 km away
7. 1.63km NNE of Ocotillo Wells, CAWed, Apr 5, 5:44 AM PST · 17702 days ago · 11 km deep · 93 km away
8. 2.22km NNE of Palomar Observatory, CAWed, Apr 5, 11:15 AM PST · 17702 days ago · 8 km deep · 20 km away
9. 1.82km NNW of Palomar Observatory, CAWed, Apr 5, 1:17 PM PST · 17702 days ago · 11 km deep · 19 km away
10. 1.77km SW of Big Bear Lake, CAThu, Apr 6, 7:31 PM PST · 17701 days ago · 10 km deep · 85 km away
11. 1.913km N of Banning, CAFri, Apr 7, 12:24 PM PST · 17700 days ago · 15 km deep · 70 km away
12. 1.64km NW of Rubidoux, CAFri, Apr 7, 2:06 PM PST · 17700 days ago · 1 km deep · 74 km away
13. 1.810km NE of Aguanga, CAFri, Apr 7, 10:43 PM PST · 17700 days ago · 6 km deep · 26 km away
14. 1.52km SE of Big Bear Lake, CASun, Apr 9, 2:12 AM PST · 17699 days ago · 15 km deep · 90 km away
15. 1.76km SW of Idyllwild, CASun, Apr 9, 2:47 PM PST · 17698 days ago · 17 km deep · 41 km away
16. 1.510km W of Pine Valley, CAMon, Apr 10, 9:34 AM PST · 17697 days ago · 6 km deep · 80 km away
17. 1.614km N of Warner Springs, CAMon, Apr 10, 5:10 PM PST · 17697 days ago · 15 km deep · 42 km away
18. 1.86km E of Calimesa, CAMon, Apr 10, 5:40 PM PST · 17697 days ago · 15 km deep · 61 km away
19. 1.527km ENE of Pine Valley, CAMon, Apr 10, 8:20 PM PST · 17697 days ago · 6 km deep · 98 km away
20. 1.56km WNW of Calimesa, CATue, Apr 11, 1:15 AM PST · 17697 days ago · 17 km deep · 64 km away
21. 1.817km W of Salton City, CATue, Apr 11, 9:24 PM PST · 17696 days ago · 0 km deep · 88 km away
22. 1.65km S of Chino, CAWed, Apr 12, 12:37 AM PST · 17696 days ago · 5 km deep · 83 km away
23. 1.66km ESE of Running Springs, CAWed, Apr 12, 2:41 AM PST · 17696 days ago · 5 km deep · 83 km away
24. 1.74km ESE of Yucaipa, CAThu, Apr 13, 2:00 AM PST · 17695 days ago · 17 km deep · 65 km away
25. 1.810km SE of Anza, CAThu, Apr 13, 4:05 AM PST · 17694 days ago · 11 km deep · 43 km away
26. 2.421km N of Morongo Valley, CAThu, Apr 13, 4:15 AM PST · 17694 days ago · 9 km deep · 98 km away
27. 2.08km S of Calimesa, CAThu, Apr 13, 1:14 PM PST · 17694 days ago · 14 km deep · 53 km away
28. 2.04km NNE of Running Springs, CAThu, Apr 13, 7:23 PM PST · 17694 days ago · 4 km deep · 90 km away
29. 1.88km SE of Ocotillo Wells, CAFri, Apr 14, 12:39 AM PST · 17694 days ago · 6 km deep · 100 km away
30. 1.75km SSE of Mentone, CAFri, Apr 14, 1:41 AM PST · 17694 days ago · 19 km deep · 66 km away
31. 1.914km SE of Anza, CAFri, Apr 14, 3:40 AM PST · 17693 days ago · 12 km deep · 46 km away
32. 1.63km WSW of San Bernardino, CAFri, Apr 14, 6:22 AM PST · 17693 days ago · 18 km deep · 79 km away
33. 2.44km NNE of Running Springs, CAFri, Apr 14, 7:40 AM PST · 17693 days ago · 3 km deep · 89 km away
34. 2.34km E of Seal Beach, CAFri, Apr 14, 8:19 AM PST · 17693 days ago · 10 km deep · 98 km away
35. 2.04km NNE of Running Springs, CAFri, Apr 14, 1:49 PM PST · 17693 days ago · 4 km deep · 89 km away
36. 1.612km N of Borrego Springs, CAFri, Apr 14, 3:05 PM PST · 17693 days ago · 6 km deep · 65 km away
37. 1.94km NNE of Running Springs, CAFri, Apr 14, 4:19 PM PST · 17693 days ago · 4 km deep · 90 km away
38. 1.94km NNE of Running Springs, CAFri, Apr 14, 7:44 PM PST · 17693 days ago · 3 km deep · 90 km away
39. 1.74km NNE of Running Springs, CAFri, Apr 14, 8:21 PM PST · 17693 days ago · 4 km deep · 90 km away
40. 1.74km NNE of Running Springs, CAFri, Apr 14, 10:48 PM PST · 17693 days ago · 3 km deep · 90 km away
41. 1.74km NNE of Running Springs, CAFri, Apr 14, 11:08 PM PST · 17693 days ago · 5 km deep · 90 km away
42. 1.84km NNE of Running Springs, CASat, Apr 15, 12:51 AM PST · 17693 days ago · 3 km deep · 89 km away
43. 1.74km NE of Running Springs, CASat, Apr 15, 11:06 AM PST · 17692 days ago · 3 km deep · 89 km away
44. 1.927km ENE of Pine Valley, CASat, Apr 15, 10:18 PM PST · 17692 days ago · 12 km deep · 93 km away
45. 1.62km SSE of Loma Linda, CASun, Apr 16, 12:46 AM PST · 17692 days ago · 7 km deep · 68 km away
46. 1.710km SE of Anza, CASun, Apr 16, 12:47 AM PST · 17692 days ago · 10 km deep · 44 km away
47. 1.56km SSW of Chino, CASun, Apr 16, 3:09 AM PST · 17691 days ago · 9 km deep · 83 km away
48. 2.84km NNE of Running Springs, CASun, Apr 16, 4:21 PM PST · 17691 days ago · 3 km deep · 89 km away
49. 1.710km NNE of Lake Arrowhead, CASun, Apr 16, 6:52 PM PST · 17691 days ago · 5 km deep · 99 km away
50. 2.510km SW of Morongo Valley, CASun, Apr 16, 11:36 PM PST · 17691 days ago · 9 km deep · 72 km away
51. 2.17km W of Muscoy, CAMon, Apr 17, 3:07 AM PST · 17690 days ago · 2 km deep · 87 km away
52. 1.914km ESE of Anza, CAMon, Apr 17, 5:32 AM PST · 17690 days ago · 13 km deep · 49 km away
53. 1.715km ESE of Anza, CAMon, Apr 17, 5:33 AM PST · 17690 days ago · 14 km deep · 51 km away
54. 1.94km NNE of Running Springs, CAMon, Apr 17, 5:48 AM PST · 17690 days ago · 3 km deep · 89 km away
55. 1.77km SW of Big Bear Lake, CAMon, Apr 17, 12:31 PM PST · 17690 days ago · 12 km deep · 85 km away
56. 1.76km NNW of Big Bear Lake, CAMon, Apr 17, 3:34 PM PST · 17690 days ago · 2 km deep · 96 km away
57. 1.713km E of Desert Hot Springs, CATue, Apr 18, 2:00 AM PST · 17690 days ago · 6 km deep · 87 km away
58. 1.914km E of Desert Hot Springs, CATue, Apr 18, 9:19 AM PST · 17689 days ago · 4 km deep · 88 km away
59. 1.613km E of Desert Hot Springs, CATue, Apr 18, 10:15 AM PST · 17689 days ago · 5 km deep · 87 km away
60. 2.211km N of Banning, CATue, Apr 18, 1:36 PM PST · 17689 days ago · 20 km deep · 68 km away

The first 60 of 183.

From the USGS Earthquake Hazards Program and its partner networks, event ci3338238. Read Tue, Sep 22, 2026, 10:34 PM UTC.