M2.0 earthquake 4km ENE of Delta, B.C., MX

Magnitude

2.0 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Fri, Mar 20, 1981, 8:27 PM PST

UTC

1981-03-21 04:27:28 UTC

Depth

5.8 km (3.6 mi), shallow

Epicenter

32.368° N, 115.158° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.0 km horizontally, 31.6 km in depth

Depth from

Operator assigned

Station coverage gap

73°

Stations used

5

• Ciudad Guadalupe Victoria, MexicoPopulation 17,119. Forecast10 kmNNW
• San Luis Río Colorado, MexicoPopulation 176,685. Forecast38 kmWSW
• Mexicali, MexicoPopulation 1,032,686. Forecast40 kmSE

After

1. 1.88km W of Imperial, CASat, Mar 21, 5:55 PM PST · 16630 days ago · 10 km deep · 70 km away
2. 2.138km W of Alberto Oviedo Mota, B.C., MXSun, Mar 22, 8:13 AM PST · 16629 days ago · 5 km deep · 44 km away
3. 1.58km SSW of Holtville, CAMon, Mar 23, 7:10 AM PST · 16628 days ago · 10 km deep · 48 km away
4. 1.511km NNE of Delta, B.C., MXMon, Mar 23, 7:24 AM PST · 16628 days ago · 6 km deep · 9 km away
5. 2.012km NNE of Delta, B.C., MXMon, Mar 23, 9:16 AM PST · 16628 days ago · 11 km deep · 10 km away
6. 2.530km W of Alberto Oviedo Mota, B.C., MXWed, Mar 25, 6:54 PM PST · 16626 days ago · 0 km deep · 37 km away
7. 2.47km SW of Holtville, CASat, Mar 28, 3:59 AM PST · 16623 days ago · 16 km deep · 51 km away
8. 2.09km SE of Ocotillo, CASun, Mar 29, 8:12 PM PST · 16622 days ago · 10 km deep · 80 km away
9. 2.339km W of Alberto Oviedo Mota, B.C., MXMon, Mar 30, 11:21 AM PST · 16621 days ago · 5 km deep · 45 km away
10. 2.35km WSW of Holtville, CATue, Mar 31, 4:12 AM PST · 16620 days ago · 5 km deep · 53 km away
11. 1.65km SW of Holtville, CATue, Mar 31, 4:38 AM PST · 16620 days ago · 5 km deep · 53 km away
12. 2.310km NE of Mexicali, B.C., MXTue, Mar 31, 4:42 AM PST · 16620 days ago · 5 km deep · 45 km away
13. 1.710km SSW of Ocotillo, CATue, Mar 31, 9:19 PM PST · 16620 days ago · 9 km deep · 90 km away
14. 2.34km WSW of Brawley, CAWed, Apr 1, 2:53 AM PST · 16620 days ago · 10 km deep · 77 km away
15. 1.87km E of Puebla, B.C., MXSat, Apr 4, 10:16 PM PST · 16616 days ago · 10 km deep · 26 km away
16. 1.812km NNW of Delta, B.C., MXSun, Apr 5, 6:25 AM PST · 16615 days ago · 6 km deep · 12 km away
17. 1.66km SSW of Niland, CASun, Apr 5, 4:00 PM PST · 16615 days ago · 5 km deep · 98 km away
18. 1.63km S of Niland, CASun, Apr 5, 6:49 PM PST · 16615 days ago · 8 km deep · 100 km away
19. 1.63km SSW of Niland, CASun, Apr 5, 8:24 PM PST · 16615 days ago · 2 km deep · 100 km away
20. 1.821km SE of Ocotillo, CAFri, Apr 10, 7:08 PM PST · 16610 days ago · 8 km deep · 69 km away
21. 2.280km SW of Alberto Oviedo Mota, B.C., MXSat, Apr 11, 2:39 PM PST · 16609 days ago · 6 km deep · 93 km away
22. 1.68km SW of Holtville, CAThu, Apr 16, 11:08 AM PST · 16604 days ago · 10 km deep · 51 km away
23. 1.87km SW of Holtville, CAFri, Apr 17, 7:17 PM PST · 16603 days ago · 10 km deep · 51 km away
24. 2.07km SW of Holtville, CASat, Apr 18, 9:04 AM PST · 16602 days ago · 10 km deep · 52 km away
25. 1.58km SW of Holtville, CASat, Apr 18, 10:12 AM PST · 16602 days ago · 10 km deep · 51 km away
26. 2.16km WSW of Brawley, CASun, Apr 19, 11:32 PM PST · 16601 days ago · 10 km deep · 77 km away
27. 1.94km WSW of Progreso, B.C., MXMon, Apr 20, 12:31 AM PST · 16601 days ago · 10 km deep · 49 km away
28. 1.67km SW of Holtville, CAMon, Apr 20, 3:32 AM PST · 16600 days ago · 10 km deep · 51 km away
29. 1.98km SW of Holtville, CAMon, Apr 20, 3:33 AM PST · 16600 days ago · 10 km deep · 50 km away
30. 1.96km N of Westmorland, CAMon, Apr 20, 10:43 AM PST · 16600 days ago · 9 km deep · 92 km away
31. 1.56km N of Westmorland, CAMon, Apr 20, 10:49 AM PST · 16600 days ago · 10 km deep · 92 km away
32. 1.86km N of Westmorland, CAMon, Apr 20, 11:24 AM PST · 16600 days ago · 9 km deep · 92 km away
33. 2.07km N of Westmorland, CAMon, Apr 20, 12:41 PM PST · 16600 days ago · 12 km deep · 93 km away
34. 2.27km WSW of Holtville, CAMon, Apr 20, 3:18 PM PST · 16600 days ago · 10 km deep · 54 km away
35. 1.57km SW of Holtville, CAMon, Apr 20, 3:44 PM PST · 16600 days ago · 17 km deep · 50 km away
36. 1.67km SSW of Holtville, CAMon, Apr 20, 7:27 PM PST · 16600 days ago · 10 km deep · 49 km away
37. 1.87km N of Westmorland, CATue, Apr 21, 1:30 AM PST · 16600 days ago · 10 km deep · 92 km away
38. 1.67km N of Westmorland, CATue, Apr 21, 2:00 AM PST · 16600 days ago · 10 km deep · 93 km away
39. 1.98km SW of Holtville, CATue, Apr 21, 2:08 AM PST · 16600 days ago · 10 km deep · 50 km away
40. 1.66km SW of Holtville, CATue, Apr 21, 2:14 AM PST · 16600 days ago · 10 km deep · 52 km away
41. 1.813km NNW of Delta, B.C., MXTue, Apr 21, 3:25 AM PST · 16599 days ago · 6 km deep · 14 km away
42. 1.58km SSW of Holtville, CATue, Apr 21, 3:35 AM PST · 16599 days ago · 10 km deep · 50 km away
43. 1.87km N of Westmorland, CATue, Apr 21, 5:11 AM PST · 16599 days ago · 10 km deep · 93 km away
44. 1.96km N of Westmorland, CATue, Apr 21, 10:02 AM PST · 16599 days ago · 10 km deep · 92 km away
45. 1.57km N of Westmorland, CATue, Apr 21, 3:04 PM PST · 16599 days ago · 6 km deep · 92 km away
46. 1.56km N of Westmorland, CATue, Apr 21, 3:56 PM PST · 16599 days ago · 10 km deep · 92 km away
47. 1.58km NNW of Westmorland, CATue, Apr 21, 6:05 PM PST · 16599 days ago · 7 km deep · 94 km away
48. 2.07km N of Westmorland, CATue, Apr 21, 9:55 PM PST · 16599 days ago · 8 km deep · 93 km away
49. 3.58km NNW of Westmorland, CATue, Apr 21, 10:28 PM PST · 16599 days ago · 10 km deep · 93 km away
50. 2.07km N of Westmorland, CATue, Apr 21, 10:31 PM PST · 16599 days ago · 7 km deep · 93 km away
51. 2.07km N of Westmorland, CATue, Apr 21, 10:39 PM PST · 16599 days ago · 9 km deep · 93 km away
52. 2.07km N of Westmorland, CATue, Apr 21, 10:39 PM PST · 16599 days ago · 8 km deep · 92 km away
53. 2.88km N of Westmorland, CATue, Apr 21, 10:39 PM PST · 16599 days ago · 10 km deep · 93 km away
54. 1.77km N of Westmorland, CATue, Apr 21, 10:51 PM PST · 16599 days ago · 10 km deep · 93 km away
55. 1.77km N of Westmorland, CATue, Apr 21, 11:04 PM PST · 16599 days ago · 8 km deep · 93 km away
56. 1.87km N of Westmorland, CATue, Apr 21, 11:55 PM PST · 16599 days ago · 8 km deep · 93 km away
57. 1.67km N of Westmorland, CAWed, Apr 22, 4:06 AM PST · 16598 days ago · 9 km deep · 92 km away
58. 1.67km N of Westmorland, CAWed, Apr 22, 4:26 AM PST · 16598 days ago · 9 km deep · 92 km away
59. 2.58km N of Westmorland, CAWed, Apr 22, 4:41 AM PST · 16598 days ago · 10 km deep · 93 km away
60. 2.18km N of Westmorland, CAWed, Apr 22, 5:03 AM PST · 16598 days ago · 10 km deep · 93 km away

The first 60 of 200.

Before

1. 1.89km WNW of Calipatria, CAWed, Mar 18, 12:22 PM PST · 16633 days ago · 12 km deep · 96 km away
2. 1.626km WSW of Westmorland, CATue, Mar 17, 8:58 PM PST · 16634 days ago · 9 km deep · 95 km away
3. 2.227km WSW of Westmorland, CATue, Mar 17, 8:52 PM PST · 16634 days ago · 7 km deep · 97 km away
4. 3.235 km WSW of Golfo de Santa Clara, MexicoMon, Mar 16, 11:17 AM PST · 16635 days ago · 9 km deep · 94 km away
5. 3.14 km SW of Rancho Mesa Verde, ArizonaSun, Mar 15, 11:12 PM MST · 16636 days ago · 5 km deep · 50 km away
6. 2.63km SW of Fortuna Foothills, AZSun, Mar 15, 9:12 PM MST · 16636 days ago · 6 km deep · 74 km away
7. 2.79km S of San Luis Rio Colorado, Son., MXSun, Mar 15, 9:01 PM GMT-7 · 16636 days ago · 6 km deep · 35 km away
8. 2.831km SSE of Estacion Coahuila, B.C., MXSat, Mar 14, 5:31 PM PST · 16637 days ago · 6 km deep · 55 km away
9. 1.67km NE of Imperial, CASat, Mar 14, 3:03 PM PST · 16637 days ago · 10 km deep · 68 km away
10. 2.053km SSW of Progreso, B.C., MXSat, Mar 14, 2:23 PM PST · 16637 days ago · 6 km deep · 66 km away
11. 2.155km SSW of Progreso, B.C., MXSat, Mar 14, 10:18 AM PST · 16637 days ago · 6 km deep · 68 km away
12. 1.54km ENE of Westmorland, CASat, Mar 14, 1:07 AM PST · 16638 days ago · 6 km deep · 86 km away
13. 1.55km SSW of Niland, CAThu, Mar 12, 8:27 PM PST · 16639 days ago · 1 km deep · 100 km away
14. 1.79km WNW of Calipatria, CAThu, Mar 12, 7:53 PM PST · 16639 days ago · 6 km deep · 98 km away
15. 1.715km E of Niland, CAThu, Mar 12, 12:47 AM PST · 16640 days ago · 4 km deep · 99 km away
16. 2.44km SSW of Niland, CAWed, Mar 11, 7:58 PM PST · 16640 days ago · 9 km deep · 100 km away
17. 2.08km SW of Holtville, CATue, Mar 10, 12:33 AM PST · 16642 days ago · 10 km deep · 50 km away
18. 1.78km N of Westmorland, CAMon, Mar 9, 2:31 PM PST · 16642 days ago · 8 km deep · 93 km away
19. 2.012km NNW of Delta, B.C., MXSun, Mar 8, 5:03 AM PST · 16643 days ago · 5 km deep · 12 km away
20. 2.15km NE of Westmorland, CASun, Mar 8, 3:56 AM PST · 16643 days ago · 10 km deep · 87 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci12262315. Read Thu, Oct 1, 2026, 10:47 PM UTC.