M3.3 earthquake 6km SSE of Ensenada, B.C., MX

Magnitude

3.3 (ml), minor

Local time

Tue, Jul 28, 1981, 12:18 PM PDT

UTC

1981-07-28 19:18:39 UTC

Depth

5.6 km (3.5 mi), shallow

Epicenter

31.825° N, 116.589° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.0 km horizontally, 31.6 km in depth

Magnitude uncertainty

±0.11

Depth from

Operator assigned

Station coverage gap

236°, poorly surrounded by stations

Stations used

39

• Ensenada, MexicoPopulation 443,807. Forecast5 kmSSE
• Tijuana, MexicoPopulation 1,922,523. Forecast85 kmSSE

After

1. 2.026km NNE of Ensenada, B.C., MXThu, Jul 30, 12:49 AM PDT · 16498 days ago · 6 km deep · 30 km away
2. 2.330km NNE of Ensenada, B.C., MXThu, Jul 30, 12:56 AM PDT · 16498 days ago · 6 km deep · 34 km away
3. 2.268km ENE of Maneadero, B.C., MXThu, Jul 30, 2:51 PM PDT · 16497 days ago · 6 km deep · 68 km away
4. 2.036km NE of Ensenada, B.C., MXSat, Aug 1, 4:21 AM PDT · 16496 days ago · 6 km deep · 38 km away
5. 2.435km NE of Ensenada, B.C., MXSat, Aug 1, 4:32 AM PDT · 16496 days ago · 6 km deep · 37 km away
6. 2.34km SSE of Ensenada, B.C., MXTue, Aug 4, 5:02 AM PDT · 16493 days ago · 6 km deep · 2 km away
7. 2.575km ESE of Maneadero, B.C., MXTue, Aug 4, 6:36 AM PDT · 16492 days ago · 5 km deep · 81 km away
8. 3.036km NE of Ensenada, B.C., MXTue, Aug 4, 12:15 PM PDT · 16492 days ago · 6 km deep · 37 km away
9. 2.28km SSE of Ensenada, B.C., MXTue, Aug 4, 10:42 PM PDT · 16492 days ago · 6 km deep · 3 km away
10. 2.310km SSW of Ensenada, B.C., MXTue, Aug 4, 10:57 PM PDT · 16492 days ago · 6 km deep · 7 km away
11. 1.935km ENE of Ensenada, B.C., MXSun, Aug 9, 11:18 AM PDT · 16487 days ago · 6 km deep · 36 km away
12. 2.316km ESE of Campo, CAWed, Aug 12, 8:59 AM PDT · 16484 days ago · 2 km deep · 85 km away
13. 2.452km E of Maneadero, B.C., MXThu, Aug 13, 12:26 PM PDT · 16483 days ago · 5 km deep · 54 km away
14. 2.146km E of Maneadero, B.C., MXSat, Aug 15, 8:39 AM PDT · 16481 days ago · 5 km deep · 50 km away
15. 2.547km WSW of Primo Tapia, B.C., MXSun, Aug 16, 8:32 AM PDT · 16480 days ago · 6 km deep · 72 km away
16. 1.617km ESE of Campo, CAMon, Aug 17, 10:42 PM PDT · 16479 days ago · 7 km deep · 84 km away
17. 2.465km E of Maneadero, B.C., MXTue, Aug 18, 5:12 AM PDT · 16479 days ago · 6 km deep · 66 km away
18. 1.835km NE of Ensenada, B.C., MXThu, Aug 20, 1:48 PM PDT · 16476 days ago · 6 km deep · 37 km away
19. 2.227km ENE of Maneadero, B.C., MXMon, Aug 24, 12:50 AM PDT · 16473 days ago · 5 km deep · 28 km away
20. 1.931km ENE of Ensenada, B.C., MXMon, Aug 24, 5:45 AM PDT · 16472 days ago · 6 km deep · 30 km away
21. 1.947km ENE of Maneadero, B.C., MXMon, Aug 24, 11:20 PM PDT · 16472 days ago · 6 km deep · 46 km away
22. 2.387km SSW of Alberto Oviedo Mota, B.C., MXTue, Aug 25, 1:25 PM PDT · 16471 days ago · 6 km deep · 92 km away
23. 1.933km ENE of Ensenada, B.C., MXTue, Aug 25, 4:41 PM PDT · 16471 days ago · 6 km deep · 31 km away
24. 2.378km ESE of Maneadero, B.C., MXTue, Aug 25, 10:25 PM PDT · 16471 days ago · 6 km deep · 83 km away
25. 2.044km E of Ensenada, B.C., MXFri, Aug 28, 10:32 AM PDT · 16468 days ago · 5 km deep · 42 km away
26. 2.217km ESE of Campo, CASun, Aug 30, 6:17 AM PDT · 16466 days ago · 8 km deep · 83 km away
27. 2.351km ENE of Maneadero, B.C., MXSun, Aug 30, 6:20 PM PDT · 16466 days ago · 6 km deep · 53 km away
28. 1.719km ESE of Campo, CATue, Sep 1, 5:40 PM PDT · 16464 days ago · 6 km deep · 83 km away
29. 3.135km NE of Ensenada, B.C., MXTue, Sep 1, 9:36 PM PDT · 16464 days ago · 6 km deep · 37 km away
30. 1.937km NE of Ensenada, B.C., MXTue, Sep 1, 9:37 PM PDT · 16464 days ago · 6 km deep · 39 km away
31. 2.337km NE of Ensenada, B.C., MXTue, Sep 1, 9:44 PM PDT · 16464 days ago · 6 km deep · 40 km away
32. 2.024km ESE of Primo Tapia, B.C., MXFri, Sep 4, 11:38 PM PDT · 16461 days ago · 6 km deep · 35 km away
33. 2.342km ENE of Maneadero, B.C., MXSun, Sep 6, 7:39 AM PDT · 16459 days ago · 5 km deep · 40 km away
34. 2.471km ENE of Maneadero, B.C., MXMon, Sep 7, 6:39 PM PDT · 16458 days ago · 6 km deep · 71 km away
35. 2.033km E of Maneadero, B.C., MXWed, Sep 9, 8:56 PM PDT · 16456 days ago · 5 km deep · 36 km away
36. 2.039km E of Maneadero, B.C., MXThu, Sep 10, 12:12 PM PDT · 16455 days ago · 6 km deep · 41 km away
37. 2.065km WSW of Alberto Oviedo Mota, B.C., MXFri, Sep 11, 11:58 AM PDT · 16454 days ago · 6 km deep · 79 km away
38. 2.053km E of Maneadero, B.C., MXSun, Sep 13, 2:46 PM PDT · 16452 days ago · 5 km deep · 56 km away
39. 2.146km ENE of Maneadero, B.C., MXMon, Sep 14, 3:17 AM PDT · 16452 days ago · 5 km deep · 47 km away
40. 2.045km E of Maneadero, B.C., MXMon, Sep 14, 4:38 AM PDT · 16452 days ago · 5 km deep · 47 km away
41. 2.234km NE of Ensenada, B.C., MXWed, Sep 16, 2:57 AM PDT · 16450 days ago · 6 km deep · 36 km away
42. 3.374km E of Maneadero, B.C., MXFri, Sep 18, 4:50 AM PDT · 16448 days ago · 6 km deep · 78 km away
43. 2.841km SW of Rosarito, B.C., MXMon, Sep 21, 3:09 PM PDT · 16444 days ago · 6 km deep · 77 km away
44. 1.839km SW of Rosarito, B.C., MXMon, Sep 21, 3:11 PM PDT · 16444 days ago · 6 km deep · 81 km away
45. 1.832km ENE of Ensenada, B.C., MXWed, Sep 23, 9:10 AM PDT · 16442 days ago · 5 km deep · 32 km away
46. 2.428km ENE of Ensenada, B.C., MXSat, Sep 26, 12:26 AM PDT · 16440 days ago · 6 km deep · 27 km away
47. 2.031km NE of Ensenada, B.C., MXSat, Sep 26, 5:40 AM PDT · 16439 days ago · 6 km deep · 32 km away

Before

1. 2.139km NE of Ensenada, B.C., MXSun, Jul 26, 2:27 PM PDT · 16501 days ago · 6 km deep · 42 km away
2. 2.061km WSW of Alberto Oviedo Mota, B.C., MXSun, Jul 26, 9:38 AM PDT · 16501 days ago · 6 km deep · 83 km away
3. 2.133km NE of Ensenada, B.C., MXFri, Jul 24, 5:48 AM PDT · 16503 days ago · 6 km deep · 33 km away
4. 1.834km NE of Ensenada, B.C., MXFri, Jul 24, 5:10 AM PDT · 16504 days ago · 6 km deep · 35 km away
5. 2.230km NE of Ensenada, B.C., MXFri, Jul 24, 5:04 AM PDT · 16504 days ago · 6 km deep · 31 km away
6. 2.731km ENE of Ensenada, B.C., MXFri, Jul 24, 4:56 AM PDT · 16504 days ago · 6 km deep · 31 km away
7. 4.319 km N of Fraccionamiento del Valle, MexicoFri, Jul 24, 4:38 AM PDT · 16504 days ago · 10 km deep · 42 km away
8. 2.453km E of Maneadero, B.C., MXSat, Jul 18, 9:38 AM PDT · 16509 days ago · 5 km deep · 56 km away
9. 2.547km SW of Rosarito, B.C., MXThu, Jul 16, 3:38 PM PDT · 16511 days ago · 6 km deep · 75 km away
10. 2.034km NE of Ensenada, B.C., MXWed, Jul 15, 3:45 AM PDT · 16513 days ago · 6 km deep · 36 km away
11. 2.519km SW of Ocotillo, CATue, Jul 14, 11:49 AM PDT · 16513 days ago · 14 km deep · 98 km away
12. 2.418km SW of Ocotillo, CASun, Jul 12, 3:52 PM PDT · 16515 days ago · 12 km deep · 99 km away
13. 2.140km NE of Ensenada, B.C., MXFri, Jul 10, 4:16 AM PDT · 16518 days ago · 6 km deep · 42 km away
14. 2.240km ENE of Maneadero, B.C., MXThu, Jul 9, 9:47 AM PDT · 16518 days ago · 6 km deep · 40 km away
15. 2.238km ENE of Ensenada, B.C., MXWed, Jul 8, 3:51 PM PDT · 16519 days ago · 6 km deep · 37 km away
16. 1.835km NE of Ensenada, B.C., MXWed, Jul 8, 5:51 AM PDT · 16519 days ago · 6 km deep · 37 km away
17. 2.58km SSW of Ensenada, B.C., MXMon, Jul 6, 6:08 PM PDT · 16521 days ago · 6 km deep · 7 km away
18. 3.45km S of Ensenada, B.C., MXMon, Jul 6, 4:12 AM PDT · 16522 days ago · 6 km deep · 3 km away
19. 3.46km SSE of Ensenada, B.C., MXSat, Jul 4, 9:16 PM PDT · 16523 days ago · 6 km deep · 1 km away
20. 3.27km S of Ensenada, B.C., MXSat, Jul 4, 8:29 PM PDT · 16523 days ago · 6 km deep · 4 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci520223 (also filed as usp0001ezn). Read Wed, Sep 30, 2026, 12:08 AM UTC.