M2.2 earthquake 24km ENE of Pine Valley, CA

Magnitude

2.2 (mh), micro

Local time

Mon, Dec 4, 1978, 4:20 AM PST

UTC

1978-12-04 12:20:34 UTC

Depth

14.3 km (8.9 mi), shallow

Epicenter

32.907° N, 116.291° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 1.2 km in depth

Magnitude uncertainty

±0.33

Depth from

From location

Station coverage gap

86°

Stations used

21

• Pine Valley, CaliforniaPopulation 1,510. Forecast24 kmENE
• Alpine, CaliforniaPopulation 14,236. Forecast45 kmE
• El Cajon, CaliforniaPopulation 103,679. Forecast64 kmENE
• Tijuana, MexicoPopulation 1,922,523. Forecast80 kmNE

After

1. 1.710km NE of Ocotillo Wells, CAMon, Dec 4, 4:21 PM PST · 17467 days ago · 6 km deep · 40 km away
2. 1.826km WSW of Westmorland, CATue, Dec 5, 12:26 PM PST · 17466 days ago · 5 km deep · 38 km away
3. 1.73km NNW of El Centro, CAWed, Dec 6, 6:31 PM PST · 17465 days ago · 10 km deep · 68 km away
4. 2.015km SE of Anza, CAThu, Dec 7, 1:55 AM PST · 17465 days ago · 13 km deep · 68 km away
5. 1.524km ESE of Anza, CAThu, Dec 7, 10:20 AM PST · 17464 days ago · 13 km deep · 65 km away
6. 2.023km ESE of Anza, CAThu, Dec 7, 10:23 AM PST · 17464 days ago · 16 km deep · 65 km away
7. 2.68km SSW of Holtville, CAThu, Dec 7, 2:13 PM PST · 17464 days ago · 10 km deep · 83 km away
8. 2.38km SW of Holtville, CAThu, Dec 7, 6:02 PM PST · 17464 days ago · 10 km deep · 82 km away
9. 1.98km SSW of Holtville, CAThu, Dec 7, 6:08 PM PST · 17464 days ago · 10 km deep · 85 km away
10. 1.78km SSW of Holtville, CAThu, Dec 7, 6:23 PM PST · 17464 days ago · 10 km deep · 83 km away
11. 1.78km SSW of Holtville, CAThu, Dec 7, 6:42 PM PST · 17464 days ago · 10 km deep · 84 km away
12. 1.58km SSW of Holtville, CAThu, Dec 7, 7:36 PM PST · 17464 days ago · 10 km deep · 84 km away
13. 1.88km SSW of Holtville, CAThu, Dec 7, 11:02 PM PST · 17464 days ago · 10 km deep · 85 km away
14. 2.78km SSW of Holtville, CAFri, Dec 8, 12:38 AM PST · 17464 days ago · 10 km deep · 83 km away
15. 2.38km SW of Holtville, CAFri, Dec 8, 12:42 AM PST · 17464 days ago · 10 km deep · 82 km away
16. 2.68km SSW of Holtville, CAFri, Dec 8, 12:47 AM PST · 17464 days ago · 10 km deep · 83 km away
17. 1.810km S of Idyllwild, CAFri, Dec 8, 2:36 AM PST · 17464 days ago · 16 km deep · 92 km away
18. 1.524km ENE of Pine Valley, CAFri, Dec 8, 2:57 AM PST · 17464 days ago · 6 km deep · 4 km away
19. 1.88km SSW of Holtville, CAFri, Dec 8, 8:19 AM PST · 17463 days ago · 10 km deep · 83 km away
20. 1.97km SW of Holtville, CAFri, Dec 8, 8:23 AM PST · 17463 days ago · 10 km deep · 82 km away
21. 1.523km SW of Westmorland, CAFri, Dec 8, 6:16 PM PST · 17463 days ago · 5 km deep · 43 km away
22. 2.58km SSW of Holtville, CAFri, Dec 8, 6:17 PM PST · 17463 days ago · 10 km deep · 83 km away
23. 1.76km SSW of Idyllwild, CASat, Dec 9, 4:38 AM PST · 17462 days ago · 18 km deep · 97 km away
24. 1.612km NNW of Progreso, B.C., MXSat, Dec 9, 8:41 PM PST · 17462 days ago · 5 km deep · 66 km away
25. 2.424km WSW of Westmorland, CASun, Dec 10, 8:09 PM PST · 17461 days ago · 11 km deep · 41 km away
26. 1.64km NNW of Brawley, CASun, Dec 10, 8:21 PM PST · 17461 days ago · 6 km deep · 70 km away
27. 2.15km NNW of Brawley, CASun, Dec 10, 8:44 PM PST · 17461 days ago · 10 km deep · 70 km away
28. 1.95km NNW of Brawley, CASun, Dec 10, 9:49 PM PST · 17461 days ago · 10 km deep · 69 km away
29. 1.75km NNW of Brawley, CASun, Dec 10, 10:08 PM PST · 17461 days ago · 7 km deep · 70 km away
30. 1.922km NE of Pine Valley, CATue, Dec 12, 4:07 AM PST · 17459 days ago · 6 km deep · 5 km away
31. 2.05km NNW of Brawley, CATue, Dec 12, 5:05 AM PST · 17459 days ago · 8 km deep · 70 km away
32. 1.517km ENE of Borrego Springs, CATue, Dec 12, 5:10 AM PST · 17459 days ago · 12 km deep · 48 km away
33. 1.94km NNW of Brawley, CATue, Dec 12, 6:34 AM PST · 17459 days ago · 9 km deep · 70 km away
34. 1.86km N of Brawley, CATue, Dec 12, 10:21 AM PST · 17459 days ago · 8 km deep · 71 km away
35. 1.86km N of Brawley, CATue, Dec 12, 10:22 AM PST · 17459 days ago · 8 km deep · 71 km away
36. 1.94km NNW of Brawley, CATue, Dec 12, 10:27 AM PST · 17459 days ago · 9 km deep · 70 km away
37. 2.04km NNW of Brawley, CATue, Dec 12, 10:51 AM PST · 17459 days ago · 10 km deep · 70 km away
38. 2.612km SW of Westmorland, CAWed, Dec 13, 2:14 AM PST · 17459 days ago · 10 km deep · 55 km away
39. 1.76km SW of Idyllwild, CAWed, Dec 13, 2:46 PM PST · 17458 days ago · 16 km deep · 98 km away
40. 1.96km E of Westmorland, CAThu, Dec 14, 1:31 AM PST · 17458 days ago · 9 km deep · 70 km away
41. 1.811km N of Borrego Springs, CAThu, Dec 14, 6:43 AM PST · 17457 days ago · 14 km deep · 50 km away
42. 1.73km NE of Heber, CAFri, Dec 15, 6:02 AM PST · 17456 days ago · 6 km deep · 75 km away
43. 1.71km SSE of Brawley, CAFri, Dec 15, 7:19 PM PST · 17456 days ago · 10 km deep · 72 km away
44. 1.618km SSW of Ocotillo Wells, CASat, Dec 16, 1:04 AM PST · 17456 days ago · 6 km deep · 13 km away
45. 1.522km SW of Westmorland, CASat, Dec 16, 5:47 AM PST · 17455 days ago · 7 km deep · 45 km away
46. 1.710km NE of Coachella, CASun, Dec 17, 6:14 AM PST · 17454 days ago · 4 km deep · 94 km away
47. 1.610km NE of Coachella, CASun, Dec 17, 7:30 AM PST · 17454 days ago · 6 km deep · 94 km away
48. 2.510km NE of Coachella, CASun, Dec 17, 7:56 AM PST · 17454 days ago · 6 km deep · 95 km away
49. 1.710km WSW of Anza, CAMon, Dec 18, 2:50 PM PST · 17453 days ago · 7 km deep · 82 km away
50. 1.821km SW of Westmorland, CAMon, Dec 18, 6:48 PM PST · 17453 days ago · 8 km deep · 46 km away
51. 1.65km NW of Brawley, CAMon, Dec 18, 10:53 PM PST · 17453 days ago · 8 km deep · 68 km away
52. 2.09km NNE of Indio, CATue, Dec 19, 8:06 PM PST · 17452 days ago · 4 km deep · 99 km away
53. 2.06km W of Brawley, CATue, Dec 19, 10:13 PM PST · 17452 days ago · 8 km deep · 66 km away
54. 2.321km NNE of Ocotillo, CAWed, Dec 20, 8:19 AM PST · 17451 days ago · 9 km deep · 38 km away
55. 1.622km NNE of Ocotillo, CAWed, Dec 20, 8:19 AM PST · 17451 days ago · 8 km deep · 39 km away
56. 2.05km ENE of Westmorland, CAThu, Dec 21, 12:28 AM PST · 17451 days ago · 10 km deep · 69 km away
57. 1.65km ESE of Palomar Observatory, CASat, Dec 23, 2:39 PM PST · 17448 days ago · 17 km deep · 69 km away
58. 1.827km SE of Ocotillo Wells, CASat, Dec 23, 5:16 PM PST · 17448 days ago · 15 km deep · 36 km away
59. 1.712km NW of Progreso, B.C., MXSun, Dec 24, 6:02 AM PST · 17447 days ago · 16 km deep · 64 km away
60. 1.715km W of Imperial, CASun, Dec 24, 11:36 PM PST · 17447 days ago · 10 km deep · 53 km away

The first 60 of 173.

Before

1. 2.211km E of Borrego Springs, CASun, Dec 3, 9:57 PM PST · 17468 days ago · 3 km deep · 38 km away
2. 1.61km WNW of Brawley, CASun, Dec 3, 11:54 AM PST · 17468 days ago · 10 km deep · 70 km away
3. 1.55km ENE of Ocotillo Wells, CAFri, Dec 1, 11:05 PM PST · 17470 days ago · 6 km deep · 34 km away
4. 2.26km NE of Puebla, B.C., MXFri, Dec 1, 8:47 PM PST · 17470 days ago · 10 km deep · 97 km away
5. 1.56km ENE of Westmorland, CAFri, Dec 1, 8:37 PM PST · 17470 days ago · 10 km deep · 71 km away
6. 1.87km WSW of Anza, CAFri, Dec 1, 9:25 AM PST · 17470 days ago · 6 km deep · 81 km away
7. 2.221km ESE of Anza, CAFri, Dec 1, 12:26 AM PST · 17471 days ago · 15 km deep · 66 km away
8. 1.621km ESE of Anza, CAFri, Dec 1, 12:18 AM PST · 17471 days ago · 9 km deep · 66 km away
9. 1.822km ESE of Anza, CAThu, Nov 30, 6:54 PM PST · 17471 days ago · 15 km deep · 66 km away
10. 3.023km ESE of Anza, CAThu, Nov 30, 6:29 PM PST · 17471 days ago · 11 km deep · 64 km away
11. 1.618km NW of Ocotillo, CAThu, Nov 30, 3:02 PM PST · 17471 days ago · 8 km deep · 17 km away
12. 1.811km W of Niland, CAThu, Nov 30, 9:43 AM PST · 17471 days ago · 5 km deep · 72 km away
13. 1.616km ESE of Anza, CAThu, Nov 30, 4:06 AM PST · 17471 days ago · 15 km deep · 69 km away
14. 2.19km W of Niland, CAThu, Nov 30, 2:09 AM PST · 17472 days ago · 4 km deep · 74 km away
15. 2.04km NW of Brawley, CAWed, Nov 29, 8:51 PM PST · 17472 days ago · 5 km deep · 68 km away
16. 1.64km WNW of Brawley, CAWed, Nov 29, 8:48 PM PST · 17472 days ago · 5 km deep · 68 km away
17. 2.19km SW of Lake Henshaw, CAWed, Nov 29, 3:24 AM PST · 17472 days ago · 10 km deep · 59 km away
18. 2.32km S of Ocotillo, CATue, Nov 28, 10:14 PM PST · 17473 days ago · 13 km deep · 35 km away
19. 2.514km SSE of Anza, CAMon, Nov 27, 9:32 PM PST · 17474 days ago · 14 km deep · 66 km away
20. 2.015km SE of Anza, CAMon, Nov 27, 9:14 PM PST · 17474 days ago · 13 km deep · 66 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3343849. Read Wed, Sep 30, 2026, 10:31 PM UTC.