M1.8 earthquake 12km NNW of Delta, B.C., MX

Magnitude

1.8 (mh), micro

Local time

Sun, Apr 5, 1981, 6:25 AM PST

UTC

1981-04-05 14:25:28 UTC

Depth

6.0 km (3.7 mi), shallow

Epicenter

32.458° N, 115.236° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.6 km horizontally, 31.6 km in depth

Depth from

Operator assigned

Station coverage gap

224°, poorly surrounded by stations

Stations used

7

• Puebla, MexicoPopulation 15,168. Forecast16 kmSE
• Mexicali, MexicoPopulation 1,032,686. Forecast28 kmSE

After

1. 1.66km SSW of Niland, CASun, Apr 5, 4:00 PM PST · 16613 days ago · 5 km deep · 86 km away
2. 1.61km S of Niland, CASun, Apr 5, 5:54 PM PST · 16613 days ago · 2 km deep · 90 km away
3. 1.63km S of Niland, CASun, Apr 5, 6:49 PM PST · 16613 days ago · 8 km deep · 88 km away
4. 1.63km SSW of Niland, CASun, Apr 5, 7:55 PM PST · 16613 days ago · 5 km deep · 89 km away
5. 2.33km SW of Niland, CASun, Apr 5, 7:59 PM PST · 16613 days ago · 11 km deep · 90 km away
6. 1.63km SSW of Niland, CASun, Apr 5, 8:07 PM PST · 16613 days ago · 5 km deep · 88 km away
7. 1.63km SSW of Niland, CASun, Apr 5, 8:24 PM PST · 16613 days ago · 2 km deep · 88 km away
8. 1.821km SE of Ocotillo, CAFri, Apr 10, 7:08 PM PST · 16608 days ago · 8 km deep · 59 km away
9. 2.280km SW of Alberto Oviedo Mota, B.C., MXSat, Apr 11, 2:39 PM PST · 16608 days ago · 6 km deep · 98 km away
10. 1.68km SW of Holtville, CAThu, Apr 16, 11:08 AM PST · 16603 days ago · 10 km deep · 39 km away
11. 2.015km SE of Ocotillo Wells, CAFri, Apr 17, 9:11 AM PST · 16602 days ago · 4 km deep · 98 km away
12. 1.87km SW of Holtville, CAFri, Apr 17, 7:17 PM PST · 16601 days ago · 10 km deep · 39 km away
13. 2.07km SW of Holtville, CASat, Apr 18, 9:04 AM PST · 16601 days ago · 10 km deep · 39 km away
14. 1.58km SW of Holtville, CASat, Apr 18, 10:12 AM PST · 16601 days ago · 10 km deep · 39 km away
15. 2.16km WSW of Brawley, CASun, Apr 19, 11:32 PM PST · 16599 days ago · 10 km deep · 65 km away
16. 1.94km WSW of Progreso, B.C., MXMon, Apr 20, 12:31 AM PST · 16599 days ago · 10 km deep · 38 km away
17. 1.67km SW of Holtville, CAMon, Apr 20, 3:32 AM PST · 16599 days ago · 10 km deep · 38 km away
18. 1.98km SW of Holtville, CAMon, Apr 20, 3:33 AM PST · 16599 days ago · 10 km deep · 37 km away
19. 1.96km N of Westmorland, CAMon, Apr 20, 10:43 AM PST · 16599 days ago · 9 km deep · 80 km away
20. 1.56km N of Westmorland, CAMon, Apr 20, 10:49 AM PST · 16599 days ago · 10 km deep · 79 km away
21. 1.86km N of Westmorland, CAMon, Apr 20, 11:24 AM PST · 16599 days ago · 9 km deep · 79 km away
22. 2.07km N of Westmorland, CAMon, Apr 20, 12:41 PM PST · 16599 days ago · 12 km deep · 81 km away
23. 2.27km WSW of Holtville, CAMon, Apr 20, 3:18 PM PST · 16599 days ago · 10 km deep · 42 km away
24. 1.57km SW of Holtville, CAMon, Apr 20, 3:44 PM PST · 16598 days ago · 17 km deep · 38 km away
25. 1.67km SSW of Holtville, CAMon, Apr 20, 7:27 PM PST · 16598 days ago · 10 km deep · 37 km away
26. 1.87km N of Westmorland, CATue, Apr 21, 1:30 AM PST · 16598 days ago · 10 km deep · 80 km away
27. 1.67km N of Westmorland, CATue, Apr 21, 2:00 AM PST · 16598 days ago · 10 km deep · 80 km away
28. 1.98km SW of Holtville, CATue, Apr 21, 2:08 AM PST · 16598 days ago · 10 km deep · 38 km away
29. 1.66km SW of Holtville, CATue, Apr 21, 2:14 AM PST · 16598 days ago · 10 km deep · 40 km away
30. 1.813km NNW of Delta, B.C., MXTue, Apr 21, 3:25 AM PST · 16598 days ago · 6 km deep · 3 km away
31. 1.58km SSW of Holtville, CATue, Apr 21, 3:35 AM PST · 16598 days ago · 10 km deep · 37 km away
32. 1.87km N of Westmorland, CATue, Apr 21, 5:11 AM PST · 16598 days ago · 10 km deep · 80 km away
33. 1.96km N of Westmorland, CATue, Apr 21, 10:02 AM PST · 16598 days ago · 10 km deep · 80 km away
34. 1.57km N of Westmorland, CATue, Apr 21, 3:04 PM PST · 16598 days ago · 6 km deep · 80 km away
35. 1.56km N of Westmorland, CATue, Apr 21, 3:56 PM PST · 16597 days ago · 10 km deep · 79 km away
36. 1.58km NNW of Westmorland, CATue, Apr 21, 6:05 PM PST · 16597 days ago · 7 km deep · 81 km away
37. 2.07km N of Westmorland, CATue, Apr 21, 9:55 PM PST · 16597 days ago · 8 km deep · 81 km away
38. 3.58km NNW of Westmorland, CATue, Apr 21, 10:28 PM PST · 16597 days ago · 10 km deep · 81 km away
39. 2.07km N of Westmorland, CATue, Apr 21, 10:31 PM PST · 16597 days ago · 7 km deep · 80 km away
40. 2.07km N of Westmorland, CATue, Apr 21, 10:39 PM PST · 16597 days ago · 9 km deep · 80 km away
41. 2.07km N of Westmorland, CATue, Apr 21, 10:39 PM PST · 16597 days ago · 8 km deep · 80 km away
42. 2.88km N of Westmorland, CATue, Apr 21, 10:39 PM PST · 16597 days ago · 10 km deep · 81 km away
43. 1.77km N of Westmorland, CATue, Apr 21, 10:51 PM PST · 16597 days ago · 10 km deep · 80 km away
44. 1.77km N of Westmorland, CATue, Apr 21, 11:04 PM PST · 16597 days ago · 8 km deep · 80 km away
45. 1.87km N of Westmorland, CATue, Apr 21, 11:55 PM PST · 16597 days ago · 8 km deep · 80 km away
46. 1.67km N of Westmorland, CAWed, Apr 22, 4:06 AM PST · 16597 days ago · 9 km deep · 80 km away
47. 1.67km N of Westmorland, CAWed, Apr 22, 4:26 AM PST · 16597 days ago · 9 km deep · 80 km away
48. 2.58km N of Westmorland, CAWed, Apr 22, 4:41 AM PST · 16597 days ago · 10 km deep · 81 km away
49. 2.18km N of Westmorland, CAWed, Apr 22, 5:03 AM PST · 16597 days ago · 10 km deep · 81 km away
50. 2.07km N of Westmorland, CAWed, Apr 22, 5:05 AM PST · 16597 days ago · 10 km deep · 80 km away
51. 1.67km N of Westmorland, CAWed, Apr 22, 5:32 AM PST · 16597 days ago · 8 km deep · 80 km away
52. 1.88km N of Westmorland, CAWed, Apr 22, 6:23 AM PST · 16597 days ago · 9 km deep · 81 km away
53. 1.56km N of Westmorland, CAWed, Apr 22, 6:49 AM PST · 16597 days ago · 8 km deep · 79 km away
54. 1.57km N of Westmorland, CAWed, Apr 22, 10:34 AM PST · 16597 days ago · 10 km deep · 81 km away
55. 3.06km SW of El Centro, CAWed, Apr 22, 10:15 PM PST · 16596 days ago · 10 km deep · 47 km away
56. 1.79km N of Progreso, B.C., MXThu, Apr 23, 10:23 AM PST · 16596 days ago · 10 km deep · 40 km away
57. 1.68km N of Westmorland, CAThu, Apr 23, 6:19 PM PST · 16595 days ago · 8 km deep · 81 km away
58. 2.78km N of Westmorland, CAThu, Apr 23, 6:58 PM PST · 16595 days ago · 10 km deep · 81 km away
59. 1.97km N of Westmorland, CAThu, Apr 23, 9:53 PM PST · 16595 days ago · 7 km deep · 80 km away
60. 1.76km N of Westmorland, CAThu, Apr 23, 11:32 PM PST · 16595 days ago · 7 km deep · 80 km away

The first 60 of 200.

Before

1. 1.61km WNW of Niland, CASun, Apr 5, 4:13 AM PST · 16614 days ago · 3 km deep · 92 km away
2. 1.87km E of Puebla, B.C., MXSat, Apr 4, 10:16 PM PST · 16614 days ago · 10 km deep · 14 km away
3. 2.34km WSW of Brawley, CAWed, Apr 1, 2:53 AM PST · 16618 days ago · 10 km deep · 64 km away
4. 1.713km W of Niland, CAWed, Apr 1, 12:14 AM PST · 16618 days ago · 5 km deep · 95 km away
5. 1.710km SSW of Ocotillo, CATue, Mar 31, 9:19 PM PST · 16618 days ago · 9 km deep · 80 km away
6. 2.310km NE of Mexicali, B.C., MXTue, Mar 31, 4:42 AM PST · 16619 days ago · 5 km deep · 33 km away
7. 1.65km SW of Holtville, CATue, Mar 31, 4:38 AM PST · 16619 days ago · 5 km deep · 40 km away
8. 2.35km WSW of Holtville, CATue, Mar 31, 4:12 AM PST · 16619 days ago · 5 km deep · 41 km away
9. 2.339km W of Alberto Oviedo Mota, B.C., MXMon, Mar 30, 11:21 AM PST · 16620 days ago · 5 km deep · 46 km away
10. 2.09km SE of Ocotillo, CASun, Mar 29, 8:12 PM PST · 16620 days ago · 10 km deep · 70 km away
11. 2.47km SW of Holtville, CASat, Mar 28, 3:59 AM PST · 16622 days ago · 16 km deep · 38 km away
12. 2.530km W of Alberto Oviedo Mota, B.C., MXWed, Mar 25, 6:54 PM PST · 16624 days ago · 0 km deep · 38 km away
13. 2.012km NNE of Delta, B.C., MXMon, Mar 23, 9:16 AM PST · 16627 days ago · 11 km deep · 7 km away
14. 1.511km NNE of Delta, B.C., MXMon, Mar 23, 7:24 AM PST · 16627 days ago · 6 km deep · 8 km away
15. 1.58km SSW of Holtville, CAMon, Mar 23, 7:10 AM PST · 16627 days ago · 10 km deep · 36 km away
16. 2.138km W of Alberto Oviedo Mota, B.C., MXSun, Mar 22, 8:13 AM PST · 16628 days ago · 5 km deep · 44 km away
17. 1.88km W of Imperial, CASat, Mar 21, 5:55 PM PST · 16628 days ago · 10 km deep · 58 km away
18. 2.04km ENE of Delta, B.C., MXFri, Mar 20, 8:27 PM PST · 16629 days ago · 6 km deep · 12 km away
19. 1.89km WNW of Calipatria, CAWed, Mar 18, 12:22 PM PST · 16632 days ago · 12 km deep · 84 km away
20. 1.817km NNW of Ocotillo, CAWed, Mar 18, 8:56 AM PST · 16632 days ago · 2 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci513924. Read Wed, Sep 30, 2026, 11:06 AM UTC.