M1.9 earthquake 4km WNW of Delta, B.C., MX

Magnitude

1.9 (mh), micro

Local time

Sun, Dec 4, 1977, 8:49 PM PST

UTC

1977-12-05 04:49:43 UTC

Depth

6.0 km (3.7 mi), shallow

Epicenter

32.367° N, 115.235° 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

234°, poorly surrounded by stations

Stations used

8

• Ciudad Guadalupe Victoria, MexicoPopulation 17,119. Forecast15 kmNW
• Mexicali, MexicoPopulation 1,032,686. Forecast36 kmSE

After

1. 1.77km ENE of Puebla, B.C., MXWed, Dec 7, 5:22 AM PST · 17829 days ago · 10 km deep · 26 km away
2. 1.85km NW of Guadalupe Victoria, B.C., MXWed, Dec 7, 8:27 AM PST · 17828 days ago · 6 km deep · 10 km away
3. 3.111km ENE of Puebla, B.C., MXWed, Dec 7, 9:44 AM PST · 17828 days ago · 10 km deep · 24 km away
4. 3.267km E of Maneadero, B.C., MXWed, Dec 7, 11:53 AM PST · 17828 days ago · 6 km deep · 99 km away
5. 2.21km S of Niland, CAThu, Dec 8, 9:52 AM PST · 17827 days ago · 5 km deep · 99 km away
6. 2.01km ESE of Estacion Coahuila, B.C., MXFri, Dec 9, 3:50 AM PST · 17827 days ago · 6 km deep · 30 km away
7. 1.512km SE of Puebla, B.C., MXFri, Dec 9, 3:24 PM PST · 17826 days ago · 6 km deep · 15 km away
8. 1.710km SW of Puebla, B.C., MXFri, Dec 9, 4:05 PM PST · 17826 days ago · 6 km deep · 24 km away
9. 1.96km NE of Puebla, B.C., MXSat, Dec 10, 12:11 AM PST · 17826 days ago · 10 km deep · 26 km away
10. 2.04km ENE of Puebla, B.C., MXSat, Dec 10, 3:05 AM PST · 17826 days ago · 10 km deep · 24 km away
11. 2.04km NE of Puebla, B.C., MXSat, Dec 10, 10:00 AM PST · 17825 days ago · 10 km deep · 26 km away
12. 1.74km NNE of Puebla, B.C., MXSat, Dec 10, 10:54 AM PST · 17825 days ago · 10 km deep · 27 km away
13. 1.68km E of Heber, CASat, Dec 10, 1:02 PM PST · 17825 days ago · 10 km deep · 46 km away
14. 1.86km NNE of Puebla, B.C., MXSat, Dec 10, 1:41 PM PST · 17825 days ago · 10 km deep · 29 km away
15. 2.09km N of Puebla, B.C., MXSat, Dec 10, 1:59 PM PST · 17825 days ago · 10 km deep · 33 km away
16. 1.87km NE of Puebla, B.C., MXSat, Dec 10, 4:35 PM PST · 17825 days ago · 10 km deep · 28 km away
17. 1.93km SW of Puebla, B.C., MXSat, Dec 10, 5:29 PM PST · 17825 days ago · 10 km deep · 23 km away
18. 1.87km NE of Puebla, B.C., MXSat, Dec 10, 5:31 PM PST · 17825 days ago · 10 km deep · 28 km away
19. 1.74km ENE of Puebla, B.C., MXSat, Dec 10, 6:15 PM PST · 17825 days ago · 17 km deep · 25 km away
20. 1.713km NNE of Puebla, B.C., MXSat, Dec 10, 6:16 PM PST · 17825 days ago · 6 km deep · 34 km away
21. 1.85km ENE of Puebla, B.C., MXSat, Dec 10, 7:52 PM PST · 17825 days ago · 10 km deep · 25 km away
22. 1.95km ENE of Puebla, B.C., MXSat, Dec 10, 8:16 PM PST · 17825 days ago · 10 km deep · 25 km away
23. 2.64km ENE of Puebla, B.C., MXSat, Dec 10, 8:52 PM PST · 17825 days ago · 10 km deep · 25 km away
24. 2.74km ESE of Puebla, B.C., MXSat, Dec 10, 8:55 PM PST · 17825 days ago · 10 km deep · 22 km away
25. 2.65km NE of Puebla, B.C., MXSat, Dec 10, 8:55 PM PST · 17825 days ago · 10 km deep · 27 km away
26. 3.05km ENE of Puebla, B.C., MXSat, Dec 10, 8:56 PM PST · 17825 days ago · 10 km deep · 25 km away
27. 1.85km ENE of Puebla, B.C., MXSat, Dec 10, 9:18 PM PST · 17825 days ago · 10 km deep · 25 km away
28. 2.15km ENE of Puebla, B.C., MXSat, Dec 10, 9:25 PM PST · 17825 days ago · 10 km deep · 25 km away
29. 2.14km NE of Puebla, B.C., MXSat, Dec 10, 9:26 PM PST · 17825 days ago · 10 km deep · 26 km away
30. 2.05km ENE of Puebla, B.C., MXSat, Dec 10, 9:26 PM PST · 17825 days ago · 10 km deep · 26 km away
31. 2.67km NNE of Puebla, B.C., MXSat, Dec 10, 9:42 PM PST · 17825 days ago · 10 km deep · 30 km away
32. 1.77km W of Holtville, CASat, Dec 10, 9:53 PM PST · 17825 days ago · 10 km deep · 53 km away
33. 3.44km N of Puebla, B.C., MXSat, Dec 10, 9:57 PM PST · 17825 days ago · 10 km deep · 29 km away
34. 1.65km NE of Puebla, B.C., MXSat, Dec 10, 10:21 PM PST · 17825 days ago · 10 km deep · 28 km away
35. 1.710km N of Puebla, B.C., MXSat, Dec 10, 10:34 PM PST · 17825 days ago · 10 km deep · 34 km away
36. 1.69km N of Puebla, B.C., MXSat, Dec 10, 10:58 PM PST · 17825 days ago · 10 km deep · 33 km away
37. 1.96km NE of Puebla, B.C., MXSat, Dec 10, 11:04 PM PST · 17825 days ago · 10 km deep · 28 km away
38. 1.56km NE of Puebla, B.C., MXSat, Dec 10, 11:50 PM PST · 17825 days ago · 12 km deep · 27 km away
39. 1.56km NNE of Puebla, B.C., MXSun, Dec 11, 1:44 AM PST · 17825 days ago · 10 km deep · 30 km away
40. 1.713km NNE of Puebla, B.C., MXSun, Dec 11, 3:06 AM PST · 17825 days ago · 10 km deep · 34 km away
41. 1.85km NE of Puebla, B.C., MXSun, Dec 11, 5:49 AM PST · 17825 days ago · 10 km deep · 27 km away
42. 1.65km ENE of Imperial, CASun, Dec 11, 11:34 AM PST · 17824 days ago · 9 km deep · 62 km away
43. 2.39km ENE of Puebla, B.C., MXSun, Dec 11, 9:56 PM PST · 17824 days ago · 10 km deep · 26 km away
44. 1.75km NNE of Puebla, B.C., MXSun, Dec 11, 10:23 PM PST · 17824 days ago · 10 km deep · 28 km away
45. 1.98km ENE of Imperial, CAMon, Dec 12, 3:57 AM PST · 17824 days ago · 10 km deep · 60 km away
46. 1.79km ENE of El Centro, CAMon, Dec 12, 3:58 AM PST · 17824 days ago · 10 km deep · 56 km away
47. 1.68km W of Holtville, CAMon, Dec 12, 11:52 AM PST · 17823 days ago · 8 km deep · 55 km away
48. 1.710km SW of Westmorland, CATue, Dec 13, 5:50 AM PST · 17823 days ago · 12 km deep · 81 km away
49. 1.726km SSW of Ocotillo, CATue, Dec 13, 2:05 PM PST · 17822 days ago · 6 km deep · 82 km away
50. 2.08km SSW of Holtville, CATue, Dec 13, 7:17 PM PST · 17822 days ago · 10 km deep · 46 km away
51. 2.517km WSW of Westmorland, CAThu, Dec 15, 7:11 PM PST · 17820 days ago · 5 km deep · 83 km away
52. 1.86km SSE of Brawley, CAFri, Dec 16, 2:28 PM PST · 17819 days ago · 10 km deep · 68 km away
53. 2.479km SW of Alberto Oviedo Mota, B.C., MXFri, Dec 16, 3:12 PM PST · 17819 days ago · 6 km deep · 88 km away
54. 2.513km WSW of Niland, CAFri, Dec 16, 5:00 PM PST · 17819 days ago · 0 km deep · 98 km away
55. 1.723km WSW of Westmorland, CASat, Dec 17, 1:09 PM PST · 17818 days ago · 9 km deep · 88 km away
56. 1.89km N of Westmorland, CASat, Dec 17, 1:52 PM PST · 17818 days ago · 9 km deep · 91 km away
57. 1.610km S of Mexicali, B.C., MXSat, Dec 17, 7:30 PM PST · 17818 days ago · 6 km deep · 32 km away
58. 2.710km E of Puebla, B.C., MXTue, Dec 20, 10:54 PM PST · 17815 days ago · 10 km deep · 22 km away
59. 1.74km SW of Imperial, CAWed, Dec 21, 4:42 AM PST · 17815 days ago · 17 km deep · 61 km away
60. 3.056km E of Maneadero, B.C., MXWed, Dec 21, 2:59 PM PST · 17814 days ago · 6 km deep · 100 km away

The first 60 of 155.

Before

1. 1.78km NE of Calexico, CASun, Dec 4, 1:51 PM PST · 17831 days ago · 6 km deep · 44 km away
2. 1.97km SW of Holtville, CASun, Dec 4, 1:18 PM PST · 17831 days ago · 10 km deep · 48 km away
3. 1.59km SSE of Brawley, CASat, Dec 3, 1:51 PM PST · 17832 days ago · 10 km deep · 65 km away
4. 1.57km ENE of Imperial, CASat, Dec 3, 11:49 AM PST · 17832 days ago · 7 km deep · 60 km away
5. 1.98km E of Imperial, CASat, Dec 3, 9:29 AM PST · 17832 days ago · 10 km deep · 58 km away
6. 1.65km ESE of Imperial, CASat, Dec 3, 12:54 AM PST · 17833 days ago · 10 km deep · 58 km away
7. 1.77km ENE of Imperial, CAFri, Dec 2, 11:38 PM PST · 17833 days ago · 10 km deep · 61 km away
8. 1.68km NNE of Imperial, CAThu, Dec 1, 7:11 PM PST · 17834 days ago · 10 km deep · 66 km away
9. 1.510km SSW of Holtville, CAThu, Dec 1, 5:37 AM PST · 17835 days ago · 6 km deep · 44 km away
10. 1.61km NE of El Centro, CAWed, Nov 30, 6:32 PM PST · 17835 days ago · 6 km deep · 56 km away
11. 1.93km S of Estacion Coahuila, B.C., MXTue, Nov 29, 3:47 AM PST · 17837 days ago · 6 km deep · 31 km away
12. 2.02km SE of Niland, CAMon, Nov 28, 8:33 PM PST · 17837 days ago · 3 km deep · 99 km away
13. 1.93km SSE of Estacion Coahuila, B.C., MXMon, Nov 28, 1:48 AM PST · 17838 days ago · 6 km deep · 32 km away
14. 1.722km WSW of Westmorland, CASun, Nov 27, 8:01 PM PST · 17838 days ago · 8 km deep · 84 km away
15. 1.72km N of Estacion Coahuila, B.C., MXSun, Nov 27, 7:29 PM PST · 17838 days ago · 6 km deep · 28 km away
16. 1.623km WSW of Westmorland, CASun, Nov 27, 3:17 PM PST · 17838 days ago · 5 km deep · 84 km away
17. 3.774km SW of Alberto Oviedo Mota, B.C., MXSun, Nov 27, 5:33 AM PST · 17839 days ago · 6 km deep · 81 km away
18. 1.77km SW of Holtville, CAFri, Nov 25, 5:11 PM PST · 17840 days ago · 10 km deep · 49 km away
19. 2.38km ESE of Puebla, B.C., MXFri, Nov 25, 10:31 AM PST · 17840 days ago · 10 km deep · 19 km away
20. 1.68km ESE of Puebla, B.C., MXFri, Nov 25, 10:09 AM PST · 17840 days ago · 10 km deep · 20 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3336670. Read Wed, Sep 30, 2026, 3:20 AM UTC.