M1.6 earthquake 10km ENE of Delta, B.C., MX

Magnitude

1.6 (mh), micro

Local time

Sat, Apr 15, 1978, 6:20 AM PST

UTC

1978-04-15 14:20:22 UTC

Depth

6.0 km (3.7 mi), shallow

Epicenter

32.379° N, 115.089° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.5 km horizontally, 31.6 km in depth

Depth from

Operator assigned

Station coverage gap

229°, poorly surrounded by stations

Stations used

7

• Ciudad Guadalupe Victoria, MexicoPopulation 17,119. Forecast10 kmN
• San Luis Río Colorado, MexicoPopulation 176,685. Forecast31 kmWSW
• Mexicali, MexicoPopulation 1,032,686. Forecast44 kmSE

After

1. 2.310km ESE of Puebla, B.C., MXSun, Apr 16, 6:46 AM PST · 17699 days ago · 10 km deep · 23 km away
2. 1.522km WSW of Westmorland, CASun, Apr 16, 8:52 AM PST · 17699 days ago · 10 km deep · 95 km away
3. 1.64km SSW of Brawley, CAMon, Apr 17, 8:17 PM PST · 17697 days ago · 10 km deep · 76 km away
4. 1.52km SSW of Brawley, CATue, Apr 18, 2:19 AM PST · 17697 days ago · 10 km deep · 77 km away
5. 1.87km S of Puebla, B.C., MXWed, Apr 19, 5:06 AM PST · 17696 days ago · 10 km deep · 27 km away
6. 1.813km WSW of Puebla, B.C., MXWed, Apr 19, 6:51 AM PST · 17696 days ago · 10 km deep · 39 km away
7. 1.88km W of Holtville, CAThu, Apr 20, 2:40 PM PST · 17694 days ago · 10 km deep · 60 km away
8. 1.56km NE of Westmorland, CASun, Apr 23, 9:04 AM PST · 17692 days ago · 11 km deep · 91 km away
9. 1.97km E of Westmorland, CAMon, Apr 24, 4:05 AM PST · 17691 days ago · 9 km deep · 86 km away
10. 1.99km W of Holtville, CAMon, Apr 24, 9:47 AM PST · 17691 days ago · 10 km deep · 61 km away
11. 1.55km WNW of Brawley, CAMon, Apr 24, 2:49 PM PST · 17690 days ago · 7 km deep · 82 km away
12. 1.84km WNW of Brawley, CAMon, Apr 24, 2:53 PM PST · 17690 days ago · 7 km deep · 81 km away
13. 2.25km WNW of Brawley, CAMon, Apr 24, 8:58 PM PST · 17690 days ago · 10 km deep · 83 km away
14. 1.95km SE of Westmorland, CAMon, Apr 24, 9:13 PM PST · 17690 days ago · 10 km deep · 84 km away
15. 2.05km N of Guadalupe Victoria, B.C., MXTue, Apr 25, 12:44 AM PST · 17690 days ago · 6 km deep · 5 km away
16. 1.53km SE of Westmorland, CATue, Apr 25, 2:59 AM PST · 17690 days ago · 10 km deep · 85 km away
17. 1.75km SE of Westmorland, CATue, Apr 25, 10:44 AM PST · 17690 days ago · 10 km deep · 84 km away
18. 1.75km WNW of Brawley, CATue, Apr 25, 10:25 PM PST · 17689 days ago · 10 km deep · 83 km away
19. 1.74km SE of Westmorland, CAWed, Apr 26, 12:17 AM PST · 17689 days ago · 10 km deep · 85 km away
20. 2.27km WNW of Alberto Oviedo Mota, B.C., MXWed, Apr 26, 11:03 PM PST · 17688 days ago · 6 km deep · 20 km away
21. 2.35km SE of Westmorland, CAThu, Apr 27, 12:28 AM PST · 17688 days ago · 10 km deep · 84 km away
22. 1.65km SE of Westmorland, CAThu, Apr 27, 4:40 AM PST · 17688 days ago · 9 km deep · 84 km away
23. 2.519km WSW of Delta, B.C., MXFri, Apr 28, 5:53 AM PST · 17687 days ago · 6 km deep · 29 km away
24. 2.010km WSW of Alberto Oviedo Mota, B.C., MXSat, Apr 29, 8:09 PM PST · 17685 days ago · 6 km deep · 26 km away
25. 2.15km WNW of Brawley, CASun, Apr 30, 11:57 AM PDT · 17685 days ago · 10 km deep · 82 km away
26. 1.54km WNW of Brawley, CASun, Apr 30, 10:51 PM PDT · 17684 days ago · 10 km deep · 82 km away
27. 2.012km W of Alberto Oviedo Mota, B.C., MXMon, May 1, 1:01 AM PDT · 17684 days ago · 6 km deep · 26 km away
28. 2.412km SW of Delta, B.C., MXMon, May 1, 2:39 AM PDT · 17684 days ago · 6 km deep · 22 km away
29. 2.36km NNW of Guadalupe Victoria, B.C., MXMon, May 1, 9:10 AM PDT · 17684 days ago · 6 km deep · 5 km away
30. 2.15km NW of Holtville, CAMon, May 1, 4:56 PM PDT · 17683 days ago · 5 km deep · 61 km away
31. 2.16km NNW of Holtville, CAMon, May 1, 6:58 PM PDT · 17683 days ago · 4 km deep · 61 km away
32. 1.86km NW of Holtville, CAMon, May 1, 9:23 PM PDT · 17683 days ago · 4 km deep · 61 km away
33. 3.16km NW of Holtville, CAMon, May 1, 11:17 PM PDT · 17683 days ago · 10 km deep · 61 km away
34. 1.96km NW of Holtville, CAMon, May 1, 11:23 PM PDT · 17683 days ago · 4 km deep · 62 km away
35. 1.86km NW of Holtville, CATue, May 2, 12:25 AM PDT · 17683 days ago · 5 km deep · 61 km away
36. 2.76km NW of Holtville, CATue, May 2, 1:38 AM PDT · 17683 days ago · 5 km deep · 62 km away
37. 1.85km NW of Holtville, CATue, May 2, 3:21 AM PDT · 17683 days ago · 4 km deep · 60 km away
38. 2.97km NW of Holtville, CATue, May 2, 3:37 AM PDT · 17683 days ago · 10 km deep · 62 km away
39. 2.17km NW of Holtville, CATue, May 2, 5:12 AM PDT · 17683 days ago · 5 km deep · 62 km away
40. 1.86km NW of Holtville, CATue, May 2, 5:13 AM PDT · 17683 days ago · 3 km deep · 61 km away
41. 1.96km NNW of Holtville, CATue, May 2, 5:58 AM PDT · 17683 days ago · 4 km deep · 62 km away
42. 2.26km NW of Holtville, CATue, May 2, 11:50 AM PDT · 17683 days ago · 5 km deep · 61 km away
43. 1.74km NW of Holtville, CATue, May 2, 8:46 PM PDT · 17682 days ago · 5 km deep · 59 km away
44. 1.724km WSW of Westmorland, CAWed, May 3, 9:42 AM PDT · 17682 days ago · 5 km deep · 97 km away
45. 1.88km SW of Holtville, CAWed, May 3, 5:36 PM PDT · 17681 days ago · 10 km deep · 54 km away
46. 2.72km E of Delta, B.C., MXThu, May 4, 8:57 AM PDT · 17681 days ago · 10 km deep · 8 km away
47. 5.014km WNW of Alberto Oviedo Mota, B.C., MXFri, May 5, 2:03 PM PDT · 17680 days ago · 10 km deep · 24 km away
48. 2.712km W of Alberto Oviedo Mota, B.C., MXFri, May 5, 2:37 PM PDT · 17680 days ago · 10 km deep · 25 km away
49. 3.511km SW of Alberto Oviedo Mota, B.C., MXFri, May 5, 2:44 PM PDT · 17680 days ago · 10 km deep · 29 km away
50. 2.010km WSW of Delta, B.C., MXFri, May 5, 2:56 PM PDT · 17680 days ago · 6 km deep · 20 km away
51. 2.814km WNW of Alberto Oviedo Mota, B.C., MXFri, May 5, 3:00 PM PDT · 17680 days ago · 10 km deep · 24 km away
52. 2.913km W of Alberto Oviedo Mota, B.C., MXFri, May 5, 3:04 PM PDT · 17679 days ago · 10 km deep · 26 km away
53. 4.013km WSW of Delta, B.C., MXFri, May 5, 3:42 PM PDT · 17679 days ago · 10 km deep · 23 km away
54. 2.511km SW of Delta, B.C., MXFri, May 5, 5:52 PM PDT · 17679 days ago · 10 km deep · 21 km away
55. 1.912km W of Alberto Oviedo Mota, B.C., MXSat, May 6, 12:55 AM PDT · 17679 days ago · 6 km deep · 24 km away
56. 2.612km WNW of Alberto Oviedo Mota, B.C., MXSat, May 6, 5:31 AM PDT · 17679 days ago · 6 km deep · 24 km away
57. 1.71km NE of Brawley, CASat, May 6, 9:38 AM PDT · 17679 days ago · 10 km deep · 79 km away
58. 2.212km WNW of Alberto Oviedo Mota, B.C., MXSat, May 6, 9:40 AM PDT · 17679 days ago · 6 km deep · 23 km away
59. 2.814km SW of Delta, B.C., MXSat, May 6, 4:10 PM PDT · 17678 days ago · 10 km deep · 24 km away
60. 4.115km WSW of Alberto Oviedo Mota, B.C., MXSat, May 6, 7:41 PM PDT · 17678 days ago · 10 km deep · 31 km away

The first 60 of 171.

Before

1. 2.18km ENE of Puebla, B.C., MXSat, Apr 15, 6:11 AM PST · 17700 days ago · 10 km deep · 29 km away
2. 1.56km WSW of Holtville, CASat, Apr 15, 12:45 AM PST · 17700 days ago · 13 km deep · 57 km away
3. 1.87km E of Puebla, B.C., MXFri, Apr 14, 6:32 PM PST · 17700 days ago · 10 km deep · 28 km away
4. 2.28km E of Puebla, B.C., MXFri, Apr 14, 2:31 PM PST · 17700 days ago · 10 km deep · 27 km away
5. 2.55km NNW of Guadalupe Victoria, B.C., MXFri, Apr 14, 2:19 PM PST · 17700 days ago · 6 km deep · 7 km away
6. 3.243km W of Alberto Oviedo Mota, B.C., MXFri, Apr 14, 1:08 PM PST · 17701 days ago · 6 km deep · 55 km away
7. 1.77km E of Puebla, B.C., MXFri, Apr 14, 10:05 AM PST · 17701 days ago · 10 km deep · 28 km away
8. 2.628km ESE of Estacion Coahuila, B.C., MXFri, Apr 14, 10:40 AM GMT-7 · 17701 days ago · 6 km deep · 45 km away
9. 2.434km SSE of San Luis Rio Colorado, Son., MXFri, Apr 14, 10:07 AM GMT-7 · 17701 days ago · 6 km deep · 49 km away
10. 1.86km WSW of Holtville, CAFri, Apr 14, 7:27 AM PST · 17701 days ago · 10 km deep · 57 km away
11. 1.57km ENE of Imperial, CAFri, Apr 14, 5:08 AM PST · 17701 days ago · 10 km deep · 67 km away
12. 1.67km WSW of Holtville, CAFri, Apr 14, 4:46 AM PST · 17701 days ago · 10 km deep · 56 km away
13. 1.56km WSW of Holtville, CAFri, Apr 14, 1:53 AM PST · 17701 days ago · 3 km deep · 56 km away
14. 1.87km WSW of Holtville, CAThu, Apr 13, 9:24 PM PST · 17701 days ago · 10 km deep · 56 km away
15. 1.58km NE of Heber, CAThu, Apr 13, 9:03 PM PST · 17701 days ago · 10 km deep · 57 km away
16. 1.78km NE of Heber, CAThu, Apr 13, 8:59 PM PST · 17701 days ago · 10 km deep · 57 km away
17. 1.67km ENE of Heber, CAThu, Apr 13, 8:49 PM PST · 17701 days ago · 10 km deep · 56 km away
18. 1.78km NE of Heber, CAThu, Apr 13, 8:48 PM PST · 17701 days ago · 10 km deep · 57 km away
19. 1.57km WSW of Holtville, CAThu, Apr 13, 8:47 PM PST · 17701 days ago · 10 km deep · 55 km away
20. 2.07km WSW of Holtville, CAThu, Apr 13, 8:46 PM PST · 17701 days ago · 10 km deep · 57 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3338889. Read Wed, Sep 30, 2026, 9:30 AM UTC.