M1.8 earthquake 14km NNW of Delta, B.C., MX

Magnitude

1.8 (mh), micro

Local time

Tue, Dec 1, 1981, 7:00 PM PST

UTC

1981-12-02 03:00:17 UTC

Depth

5.8 km (3.6 mi), shallow

Epicenter

32.476° N, 115.238° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.5 km horizontally, 31.6 km in depth

Depth from

Operator assigned

Station coverage gap

204°, poorly surrounded by stations

Stations used

12

• Puebla, MexicoPopulation 15,168. Forecast15 kmSE
• Mexicali, MexicoPopulation 1,032,686. Forecast26 kmSE

After

1. 1.63km WNW of Brawley, CAWed, Dec 2, 7:04 AM PST · 16365 days ago · 10 km deep · 65 km away
2. 1.711km W of Calipatria, CASat, Dec 5, 3:13 PM PST · 16362 days ago · 11 km deep · 83 km away
3. 1.59km SE of Bombay Beach, CAWed, Dec 9, 9:17 PM PST · 16357 days ago · 5 km deep · 99 km away
4. 1.954km SSW of Progreso, B.C., MXThu, Dec 10, 4:10 AM PST · 16357 days ago · 6 km deep · 66 km away
5. 1.66km WSW of Westmorland, CASun, Dec 13, 8:19 AM PST · 16354 days ago · 8 km deep · 73 km away
6. 3.475km SSW of Alberto Oviedo Mota, B.C., MXWed, Dec 16, 2:27 AM PST · 16351 days ago · 6 km deep · 99 km away
7. 2.469km ENE of Maneadero, B.C., MXWed, Dec 16, 1:53 PM PST · 16351 days ago · 6 km deep · 89 km away
8. 3.070km ENE of Maneadero, B.C., MXThu, Dec 17, 4:10 AM PST · 16350 days ago · 6 km deep · 88 km away
9. 2.110km WSW of Imperial, CAFri, Dec 18, 3:40 PM PST · 16349 days ago · 15 km deep · 56 km away
10. 2.311km SW of Puebla, B.C., MXSat, Dec 19, 4:29 AM PST · 16348 days ago · 6 km deep · 19 km away
11. 1.62km E of Progreso, B.C., MXSun, Dec 20, 12:57 PM PST · 16347 days ago · 10 km deep · 33 km away
12. 2.571km ENE of Maneadero, B.C., MXMon, Dec 21, 2:19 AM PST · 16346 days ago · 6 km deep · 88 km away
13. 1.611km SE of Bombay Beach, CAWed, Dec 23, 1:54 AM PST · 16344 days ago · 2 km deep · 97 km away
14. 1.811km WNW of Westmorland, CAThu, Dec 24, 2:22 PM PST · 16343 days ago · 7 km deep · 80 km away
15. 1.725km WSW of Westmorland, CASat, Dec 26, 2:40 PM PST · 16341 days ago · 8 km deep · 82 km away
16. 1.76km NE of Imperial, CASun, Dec 27, 11:53 PM PST · 16339 days ago · 15 km deep · 53 km away
17. 1.812km NW of Delta, B.C., MXTue, Dec 29, 9:36 AM PST · 16338 days ago · 6 km deep · 9 km away
18. 1.820km W of Progreso, B.C., MXTue, Dec 29, 6:03 PM PST · 16337 days ago · 5 km deep · 54 km away
19. 1.821km W of Progreso, B.C., MXTue, Dec 29, 6:05 PM PST · 16337 days ago · 4 km deep · 55 km away
20. 1.948km ENE of Ensenada, B.C., MXWed, Dec 30, 5:40 PM PST · 16336 days ago · 6 km deep · 99 km away
21. 1.75km ENE of Heber, CAThu, Dec 31, 5:06 PM PST · 16335 days ago · 6 km deep · 39 km away
22. 2.112km WSW of Ocotillo, CAFri, Jan 1, 12:17 PM PST · 16335 days ago · 5 km deep · 87 km away
23. 3.040km NNW of Los Algodones, B.C., MXSat, Jan 2, 9:02 PM MST · 16333 days ago · 6 km deep · 75 km away
24. 1.69km N of Westmorland, CATue, Jan 5, 11:04 PM PST · 16330 days ago · 6 km deep · 80 km away
25. 2.811km SSE of Alberto Oviedo Mota, B.C., MXWed, Jan 13, 11:15 AM PST · 16323 days ago · 6 km deep · 39 km away
26. 1.68km SW of Holtville, CAWed, Jan 13, 3:58 PM PST · 16323 days ago · 10 km deep · 36 km away
27. 2.650km SSW of Progreso, B.C., MXThu, Jan 14, 9:56 AM PST · 16322 days ago · 6 km deep · 61 km away
28. 1.818km SE of Salton City, CAFri, Jan 15, 9:00 AM PST · 16321 days ago · 6 km deep · 96 km away
29. 2.922km WSW of Westmorland, CASun, Jan 17, 2:04 AM PST · 16319 days ago · 7 km deep · 75 km away
30. 2.921km WSW of Westmorland, CASun, Jan 17, 2:04 AM PST · 16319 days ago · 9 km deep · 75 km away
31. 2.18km SW of Holtville, CASun, Jan 17, 6:22 PM PST · 16318 days ago · 8 km deep · 38 km away
32. 2.847km SSW of Progreso, B.C., MXMon, Jan 18, 9:04 AM PST · 16318 days ago · 6 km deep · 59 km away
33. 2.249km SSW of Progreso, B.C., MXMon, Jan 18, 7:59 PM PST · 16317 days ago · 6 km deep · 61 km away
34. 2.448km SSW of Progreso, B.C., MXTue, Jan 19, 3:25 PM PST · 16317 days ago · 6 km deep · 59 km away
35. 1.926km WSW of Westmorland, CASat, Jan 23, 3:53 AM PST · 16313 days ago · 5 km deep · 84 km away
36. 2.569km ENE of Maneadero, B.C., MXSat, Jan 23, 10:45 AM PST · 16313 days ago · 6 km deep · 89 km away
37. 2.770km WSW of Alberto Oviedo Mota, B.C., MXMon, Jan 25, 12:08 AM PST · 16311 days ago · 6 km deep · 83 km away
38. 3.674km E of Maneadero, B.C., MXMon, Jan 25, 11:04 AM PST · 16311 days ago · 6 km deep · 89 km away
39. 2.09km SW of Holtville, CAThu, Jan 28, 9:23 AM PST · 16308 days ago · 13 km deep · 36 km away
40. 2.028km ESE of Campo, CASat, Jan 30, 1:57 PM PST · 16306 days ago · 6 km deep · 92 km away

Before

1. 1.611km W of Calipatria, CATue, Dec 1, 5:47 PM PST · 16365 days ago · 10 km deep · 82 km away
2. 1.68km W of Calipatria, CATue, Dec 1, 10:14 AM PST · 16366 days ago · 10 km deep · 80 km away
3. 1.710km W of Calipatria, CATue, Dec 1, 7:23 AM PST · 16366 days ago · 10 km deep · 81 km away
4. 1.811km W of Calipatria, CATue, Dec 1, 4:28 AM PST · 16366 days ago · 11 km deep · 82 km away
5. 1.511km W of Calipatria, CAMon, Nov 30, 11:04 PM PST · 16366 days ago · 9 km deep · 82 km away
6. 2.812km N of Westmorland, CAMon, Nov 30, 7:14 PM PST · 16366 days ago · 14 km deep · 83 km away
7. 2.211km WNW of Calipatria, CAMon, Nov 30, 3:38 PM PST · 16367 days ago · 10 km deep · 83 km away
8. 1.614km WSW of Westmorland, CAMon, Nov 30, 2:15 AM PST · 16367 days ago · 5 km deep · 75 km away
9. 2.08km SSE of Bombay Beach, CASun, Nov 29, 12:00 PM PST · 16368 days ago · 4 km deep · 100 km away
10. 2.021km W of Alberto Oviedo Mota, B.C., MXSun, Nov 29, 9:46 AM PST · 16368 days ago · 6 km deep · 32 km away
11. 1.712km SSE of Puebla, B.C., MXSat, Nov 28, 9:36 AM PST · 16369 days ago · 6 km deep · 7 km away
12. 1.75km WSW of Imperial, CASat, Nov 28, 8:32 AM PST · 16369 days ago · 12 km deep · 53 km away
13. 1.61km WSW of El Centro, CAThu, Nov 26, 11:23 PM PST · 16370 days ago · 16 km deep · 47 km away
14. 3.362km WSW of Alberto Oviedo Mota, B.C., MXThu, Nov 26, 5:25 PM PST · 16370 days ago · 6 km deep · 72 km away
15. 1.55km NNW of Brawley, CAThu, Nov 26, 12:08 PM PST · 16371 days ago · 10 km deep · 68 km away
16. 3.458km ENE of Ensenada, B.C., MXWed, Nov 25, 7:16 AM PST · 16372 days ago · 6 km deep · 88 km away
17. 2.474km SSW of Alberto Oviedo Mota, B.C., MXTue, Nov 24, 2:02 AM PST · 16373 days ago · 6 km deep · 97 km away
18. 1.78km ENE of Puebla, B.C., MXFri, Nov 20, 6:30 AM PST · 16377 days ago · 11 km deep · 12 km away
19. 2.354km SSW of Progreso, B.C., MXFri, Nov 20, 6:26 AM PST · 16377 days ago · 6 km deep · 66 km away
20. 2.664km ENE of Maneadero, B.C., MXThu, Nov 19, 10:04 PM PST · 16377 days ago · 6 km deep · 90 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci102500. Read Tue, Sep 22, 2026, 12:08 PM UTC.