M1.7 earthquake 16km N of Delta, B.C., MX

Magnitude

1.7 (mh), micro

Local time

Tue, Aug 15, 1978, 5:26 AM PDT

UTC

1978-08-15 12:26:35 UTC

Depth

10.0 km (6.2 mi), shallow

Epicenter

32.494° N, 115.203° 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

±0.39

Depth from

Operator assigned

Station coverage gap

207°, poorly surrounded by stations

Stations used

12

• Puebla, MexicoPopulation 15,168. Forecast16 kmESE
• Mexicali, MexicoPopulation 1,032,686. Forecast28 kmESE

After

1. 2.512km N of Delta, B.C., MXWed, Aug 16, 2:07 AM PDT · 17577 days ago · 10 km deep · 4 km away
2. 2.37km N of Guadalupe Victoria, B.C., MXWed, Aug 16, 12:14 PM PDT · 17577 days ago · 0 km deep · 19 km away
3. 2.225km WSW of Westmorland, CAWed, Aug 16, 10:04 PM PDT · 17576 days ago · 13 km deep · 79 km away
4. 2.25km WNW of Brawley, CAThu, Aug 17, 3:08 PM PDT · 17575 days ago · 10 km deep · 66 km away
5. 1.79km ENE of El Centro, CAFri, Aug 18, 6:20 AM PDT · 17575 days ago · 10 km deep · 45 km away
6. 2.38km W of Holtville, CAFri, Aug 18, 8:29 AM PDT · 17575 days ago · 10 km deep · 44 km away
7. 2.47km W of Holtville, CAFri, Aug 18, 8:49 AM PDT · 17575 days ago · 10 km deep · 43 km away
8. 2.38km W of Holtville, CAFri, Aug 18, 9:46 AM PDT · 17575 days ago · 10 km deep · 44 km away
9. 1.88km W of Holtville, CAFri, Aug 18, 11:16 AM PDT · 17575 days ago · 6 km deep · 43 km away
10. 1.88km E of El Centro, CAFri, Aug 18, 11:56 AM PDT · 17575 days ago · 10 km deep · 42 km away
11. 2.18km WNW of Holtville, CAFri, Aug 18, 3:08 PM PDT · 17574 days ago · 10 km deep · 45 km away
12. 2.18km W of Holtville, CASat, Aug 19, 1:12 AM PDT · 17574 days ago · 10 km deep · 44 km away
13. 2.19km W of Holtville, CASat, Aug 19, 3:33 AM PDT · 17574 days ago · 10 km deep · 45 km away
14. 1.99km WNW of Holtville, CASat, Aug 19, 3:39 AM PDT · 17574 days ago · 10 km deep · 45 km away
15. 1.89km W of Holtville, CASat, Aug 19, 6:20 AM PDT · 17574 days ago · 10 km deep · 45 km away
16. 1.910km SSE of Bombay Beach, CASat, Aug 19, 2:17 PM PDT · 17573 days ago · 6 km deep · 97 km away
17. 1.520km NNE of Ocotillo, CAMon, Aug 21, 3:11 AM PDT · 17572 days ago · 6 km deep · 82 km away
18. 2.75km SE of Delta, B.C., MXMon, Aug 21, 4:53 AM PDT · 17572 days ago · 10 km deep · 19 km away
19. 2.213km NNW of Delta, B.C., MXMon, Aug 21, 8:56 PM PDT · 17571 days ago · 10 km deep · 7 km away
20. 1.76km NW of Holtville, CATue, Aug 22, 12:04 AM PDT · 17571 days ago · 4 km deep · 45 km away
21. 1.85km SW of Holtville, CATue, Aug 22, 11:34 PM PDT · 17570 days ago · 10 km deep · 37 km away
22. 2.028km SW of Alberto Oviedo Mota, B.C., MXWed, Aug 23, 7:28 AM PDT · 17570 days ago · 6 km deep · 54 km away
23. 2.226km WSW of Westmorland, CAWed, Aug 23, 7:59 AM PDT · 17570 days ago · 8 km deep · 84 km away
24. 2.36km S of Brawley, CAWed, Aug 23, 10:10 AM PDT · 17570 days ago · 10 km deep · 58 km away
25. 1.95km SW of Imperial, CAWed, Aug 23, 7:29 PM PDT · 17569 days ago · 10 km deep · 53 km away
26. 1.75km ENE of Westmorland, CAThu, Aug 24, 7:34 AM PDT · 17569 days ago · 10 km deep · 70 km away
27. 1.95km E of Westmorland, CAThu, Aug 24, 8:01 AM PDT · 17569 days ago · 9 km deep · 70 km away
28. 2.222km NNE of Ocotillo, CASat, Aug 26, 9:19 PM PDT · 17566 days ago · 11 km deep · 78 km away
29. 2.230km W of Alberto Oviedo Mota, B.C., MXSat, Aug 26, 9:49 PM PDT · 17566 days ago · 6 km deep · 42 km away
30. 1.618km W of Westmorland, CASun, Aug 27, 2:13 AM PDT · 17566 days ago · 7 km deep · 81 km away
31. 1.77km ESE of Puebla, B.C., MXSun, Aug 27, 10:32 AM PDT · 17566 days ago · 10 km deep · 9 km away
32. 1.72km ENE of Brawley, CASun, Aug 27, 3:48 PM PDT · 17565 days ago · 10 km deep · 62 km away
33. 1.87km NNW of Holtville, CAMon, Aug 28, 7:02 AM PDT · 17565 days ago · 3 km deep · 46 km away
34. 2.06km NW of Holtville, CAMon, Aug 28, 2:58 PM PDT · 17564 days ago · 4 km deep · 45 km away
35. 2.130km ESE of San Luis Rio Colorado, Son., MXTue, Aug 29, 5:13 AM GMT-7 · 17564 days ago · 10 km deep · 69 km away
36. 1.510km WNW of Ocotillo, CATue, Aug 29, 9:26 AM PDT · 17564 days ago · 6 km deep · 88 km away
37. 1.614km SSE of Bombay Beach, CATue, Aug 29, 12:55 PM PDT · 17563 days ago · 4 km deep · 94 km away
38. 2.714km WSW of Niland, CATue, Aug 29, 7:26 PM PDT · 17563 days ago · 4 km deep · 91 km away
39. 2.513km WSW of Niland, CATue, Aug 29, 7:28 PM PDT · 17563 days ago · 5 km deep · 91 km away
40. 1.912km WSW of Niland, CATue, Aug 29, 7:35 PM PDT · 17563 days ago · 5 km deep · 90 km away
41. 1.811km WSW of Niland, CATue, Aug 29, 7:37 PM PDT · 17563 days ago · 4 km deep · 88 km away
42. 1.511km WSW of Niland, CATue, Aug 29, 7:42 PM PDT · 17563 days ago · 5 km deep · 89 km away
43. 2.012km WSW of Niland, CATue, Aug 29, 7:50 PM PDT · 17563 days ago · 5 km deep · 90 km away
44. 1.712km WSW of Niland, CATue, Aug 29, 7:59 PM PDT · 17563 days ago · 5 km deep · 90 km away
45. 2.052km SSW of Progreso, B.C., MXTue, Aug 29, 9:44 PM PDT · 17563 days ago · 6 km deep · 65 km away
46. 2.12km W of Brawley, CAWed, Aug 30, 5:39 AM PDT · 17563 days ago · 10 km deep · 63 km away
47. 1.73km WNW of Brawley, CAWed, Aug 30, 5:48 AM PDT · 17563 days ago · 10 km deep · 64 km away
48. 1.922km WSW of Delta, B.C., MXWed, Aug 30, 8:55 PM PDT · 17562 days ago · 6 km deep · 31 km away
49. 2.072km SW of Alberto Oviedo Mota, B.C., MXWed, Aug 30, 9:21 PM PDT · 17562 days ago · 6 km deep · 92 km away
50. 2.12km SE of Progreso, B.C., MXFri, Sep 1, 5:07 PM PDT · 17560 days ago · 10 km deep · 35 km away
51. 2.316km W of Alberto Oviedo Mota, B.C., MXSat, Sep 2, 4:36 PM PDT · 17559 days ago · 10 km deep · 32 km away
52. 2.17km NW of Holtville, CAMon, Sep 4, 7:33 AM PDT · 17558 days ago · 3 km deep · 46 km away
53. 2.31km SSE of Guadalupe Victoria, B.C., MXMon, Sep 4, 8:09 AM PDT · 17558 days ago · 6 km deep · 26 km away
54. 2.166km SSW of Progreso, B.C., MXMon, Sep 4, 8:48 AM PDT · 17558 days ago · 6 km deep · 79 km away
55. 1.53km WSW of Imperial, CAMon, Sep 4, 10:06 AM PDT · 17558 days ago · 6 km deep · 53 km away
56. 2.63km SSE of Guadalupe Victoria, B.C., MXWed, Sep 6, 10:29 PM PDT · 17555 days ago · 10 km deep · 27 km away
57. 1.64km SE of Westmorland, CAThu, Sep 7, 10:15 PM PDT · 17554 days ago · 9 km deep · 68 km away
58. 2.414km SW of Delta, B.C., MXFri, Sep 8, 4:00 PM PDT · 17553 days ago · 6 km deep · 26 km away
59. 1.56km ENE of Puebla, B.C., MXSat, Sep 9, 4:14 AM PDT · 17553 days ago · 6 km deep · 12 km away
60. 1.85km NE of Guadalupe Victoria, B.C., MXSat, Sep 9, 7:43 PM PDT · 17552 days ago · 5 km deep · 23 km away

The first 60 of 128.

Before

1. 1.98km ESE of Imperial, CAMon, Aug 14, 6:29 PM PDT · 17578 days ago · 10 km deep · 46 km away
2. 2.78km ENE of El Centro, CAMon, Aug 14, 5:40 PM PDT · 17578 days ago · 10 km deep · 45 km away
3. 2.38km WNW of Holtville, CAMon, Aug 14, 5:39 PM PDT · 17578 days ago · 5 km deep · 45 km away
4. 1.58km E of Imperial, CAMon, Aug 14, 5:39 PM PDT · 17578 days ago · 8 km deep · 46 km away
5. 2.18km E of Imperial, CAMon, Aug 14, 5:38 PM PDT · 17578 days ago · 4 km deep · 48 km away
6. 1.58km ESE of Imperial, CAMon, Aug 14, 5:38 PM PDT · 17578 days ago · 10 km deep · 46 km away
7. 2.48km E of Imperial, CAMon, Aug 14, 5:37 PM PDT · 17578 days ago · 10 km deep · 46 km away
8. 2.29km E of Imperial, CAMon, Aug 14, 5:33 PM PDT · 17578 days ago · 10 km deep · 46 km away
9. 1.78km E of Imperial, CAMon, Aug 14, 5:33 PM PDT · 17578 days ago · 10 km deep · 47 km away
10. 2.09km E of Imperial, CAMon, Aug 14, 5:31 PM PDT · 17578 days ago · 10 km deep · 46 km away
11. 3.09km W of Holtville, CAMon, Aug 14, 5:22 PM PDT · 17578 days ago · 10 km deep · 45 km away
12. 1.89km N of Westmorland, CASun, Aug 13, 9:09 AM PDT · 17580 days ago · 10 km deep · 80 km away
13. 1.52km SW of Brawley, CAFri, Aug 11, 9:10 PM PDT · 17581 days ago · 0 km deep · 61 km away
14. 2.422km WSW of Delta, B.C., MXFri, Aug 11, 8:48 AM PDT · 17582 days ago · 6 km deep · 31 km away
15. 1.910km W of Niland, CAFri, Aug 11, 12:16 AM PDT · 17582 days ago · 3 km deep · 91 km away
16. 1.89km W of Niland, CAThu, Aug 10, 11:59 PM PDT · 17582 days ago · 1 km deep · 92 km away
17. 1.516km NNW of Ocotillo, CAWed, Aug 9, 2:42 PM PDT · 17583 days ago · 11 km deep · 92 km away
18. 2.06km ESE of Guadalupe Victoria, B.C., MXWed, Aug 9, 11:42 AM PDT · 17584 days ago · 6 km deep · 29 km away
19. 1.97km NNW of Holtville, CATue, Aug 8, 3:38 PM PDT · 17584 days ago · 3 km deep · 46 km away
20. 1.56km WSW of Holtville, CATue, Aug 8, 12:57 PM PDT · 17584 days ago · 10 km deep · 40 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci10013270. Read Wed, Sep 30, 2026, 6:47 AM UTC.