M1.7 earthquake 7km E of El Centro, CA

Magnitude

1.7 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Sun, Jul 16, 1978, 8:11 PM PDT

UTC

1978-07-17 03:11:20 UTC

Depth

10.0 km (6.2 mi), shallow

Epicenter

32.789° N, 115.479° W

Region

California

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

120°

Stations used

11

• El Centro, CaliforniaPopulation 43,956. Forecast8 kmE
• Mexicali, MexicoPopulation 1,032,686. Forecast18 kmN

After

1. 1.86km NNE of Guadalupe Victoria, B.C., MXMon, Jul 17, 11:42 AM PDT · 17610 days ago · 10 km deep · 63 km away
2. 1.926km ENE of Pine Valley, CAMon, Jul 17, 2:33 PM PDT · 17610 days ago · 6 km deep · 74 km away
3. 2.712km W of Alberto Oviedo Mota, B.C., MXMon, Jul 17, 3:39 PM PDT · 17609 days ago · 6 km deep · 65 km away
4. 1.512km NE of Borrego Springs, CAWed, Jul 19, 1:20 AM PDT · 17608 days ago · 10 km deep · 97 km away
5. 1.611km N of Delta, B.C., MXWed, Jul 19, 10:26 AM PDT · 17608 days ago · 24 km deep · 47 km away
6. 2.724km WSW of Westmorland, CAWed, Jul 19, 8:19 PM PDT · 17607 days ago · 10 km deep · 39 km away
7. 3.532km WSW of Alberto Oviedo Mota, B.C., MXThu, Jul 20, 9:45 AM PDT · 17607 days ago · 6 km deep · 74 km away
8. 1.710km NNW of Westmorland, CAThu, Jul 20, 7:10 PM PDT · 17606 days ago · 8 km deep · 41 km away
9. 2.237km S of Progreso, B.C., MXFri, Jul 21, 11:19 PM PDT · 17605 days ago · 6 km deep · 61 km away
10. 1.717km E of Julian, CASat, Jul 22, 9:00 PM PDT · 17604 days ago · 15 km deep · 93 km away
11. 1.86km E of Imperial, CASun, Jul 23, 1:39 AM PDT · 17604 days ago · 10 km deep · 7 km away
12. 2.024km W of Westmorland, CASun, Jul 23, 3:07 AM PDT · 17604 days ago · 3 km deep · 47 km away
13. 2.25km ESE of Delta, B.C., MXSun, Jul 23, 12:40 PM PDT · 17604 days ago · 10 km deep · 59 km away
14. 1.610km WNW of Calipatria, CASun, Jul 23, 4:12 PM PDT · 17603 days ago · 2 km deep · 44 km away
15. 1.811km WNW of Calipatria, CASun, Jul 23, 4:13 PM PDT · 17603 days ago · 3 km deep · 45 km away
16. 1.911km SW of Niland, CASun, Jul 23, 5:26 PM PDT · 17603 days ago · 4 km deep · 45 km away
17. 1.74km SW of Ocotillo, CAMon, Jul 24, 8:26 AM PDT · 17603 days ago · 7 km deep · 52 km away
18. 1.97km NNW of Brawley, CAMon, Jul 24, 8:54 PM PDT · 17602 days ago · 9 km deep · 29 km away
19. 2.714km WNW of Alberto Oviedo Mota, B.C., MXTue, Jul 25, 7:27 PM PDT · 17601 days ago · 6 km deep · 62 km away
20. 2.236km WSW of Alberto Oviedo Mota, B.C., MXWed, Jul 26, 6:17 PM PDT · 17600 days ago · 11 km deep · 76 km away
21. 1.65km WSW of Brawley, CAWed, Jul 26, 11:24 PM PDT · 17600 days ago · 7 km deep · 21 km away
22. 2.34km W of Brawley, CAWed, Jul 26, 11:26 PM PDT · 17600 days ago · 10 km deep · 22 km away
23. 1.69km E of Puebla, B.C., MXThu, Jul 27, 4:28 AM PDT · 17600 days ago · 16 km deep · 32 km away
24. 2.38km SSW of Salton City, CAThu, Jul 27, 3:26 PM PDT · 17599 days ago · 8 km deep · 69 km away
25. 2.58km SSW of Salton City, CAThu, Jul 27, 3:26 PM PDT · 17599 days ago · 8 km deep · 68 km away
26. 1.88km SSW of Salton City, CAThu, Jul 27, 3:33 PM PDT · 17599 days ago · 6 km deep · 68 km away
27. 1.93km N of Brawley, CAFri, Jul 28, 7:17 AM PDT · 17599 days ago · 9 km deep · 24 km away
28. 2.06km NW of Holtville, CAFri, Jul 28, 10:03 AM PDT · 17599 days ago · 4 km deep · 9 km away
29. 2.27km NNW of Holtville, CAFri, Jul 28, 11:07 AM PDT · 17599 days ago · 4 km deep · 10 km away
30. 2.420km W of Delta, B.C., MXFri, Jul 28, 9:17 PM PDT · 17598 days ago · 10 km deep · 52 km away
31. 1.68km ENE of Puebla, B.C., MXFri, Jul 28, 9:24 PM PDT · 17598 days ago · 10 km deep · 30 km away
32. 1.513km SW of Ocotillo, CASat, Jul 29, 2:00 AM PDT · 17598 days ago · 6 km deep · 58 km away
33. 2.03km SSE of El Centro, CASat, Jul 29, 9:20 AM PDT · 17598 days ago · 10 km deep · 7 km away
34. 2.124km WSW of Progreso, B.C., MXSat, Jul 29, 12:27 PM PDT · 17598 days ago · 4 km deep · 47 km away
35. 1.823km SW of Progreso, B.C., MXSat, Jul 29, 6:13 PM PDT · 17597 days ago · 5 km deep · 47 km away
36. 1.814km NE of Borrego Springs, CASun, Jul 30, 7:49 AM PDT · 17597 days ago · 11 km deep · 98 km away
37. 2.118km W of Delta, B.C., MXSun, Jul 30, 2:49 PM PDT · 17597 days ago · 6 km deep · 52 km away
38. 1.76km NNW of Ocotillo Wells, CAMon, Jul 31, 4:05 AM PDT · 17596 days ago · 6 km deep · 77 km away
39. 2.56km NW of Holtville, CAMon, Jul 31, 4:21 PM PDT · 17595 days ago · 5 km deep · 9 km away
40. 1.85km E of Guadalupe Victoria, B.C., MXTue, Aug 1, 7:21 PM PDT · 17594 days ago · 10 km deep · 69 km away
41. 2.66km SSE of Guadalupe Victoria, B.C., MXTue, Aug 1, 7:23 PM PDT · 17594 days ago · 6 km deep · 72 km away
42. 3.022km W of Westmorland, CATue, Aug 1, 11:31 PM PDT · 17594 days ago · 2 km deep · 43 km away
43. 3.04km S of Guadalupe Victoria, B.C., MXWed, Aug 2, 12:47 AM PDT · 17594 days ago · 10 km deep · 70 km away
44. 2.83km WSW of Estacion Coahuila, B.C., MXWed, Aug 2, 1:19 AM PDT · 17594 days ago · 10 km deep · 79 km away
45. 1.620km WSW of Westmorland, CAWed, Aug 2, 1:53 AM PDT · 17594 days ago · 3 km deep · 40 km away
46. 2.55km NE of Guadalupe Victoria, B.C., MXWed, Aug 2, 2:12 AM PDT · 17594 days ago · 10 km deep · 65 km away
47. 2.96km W of Estacion Coahuila, B.C., MXWed, Aug 2, 3:50 AM PDT · 17594 days ago · 10 km deep · 77 km away
48. 1.53km SSE of Brawley, CAWed, Aug 2, 8:09 AM PDT · 17594 days ago · 10 km deep · 18 km away
49. 1.713km W of Niland, CAThu, Aug 3, 5:23 PM PDT · 17592 days ago · 5 km deep · 51 km away
50. 2.38km ENE of Puebla, B.C., MXThu, Aug 3, 5:59 PM PDT · 17592 days ago · 10 km deep · 30 km away
51. 1.912km W of Westmorland, CAThu, Aug 3, 7:37 PM PDT · 17592 days ago · 5 km deep · 37 km away
52. 1.518km W of Westmorland, CAFri, Aug 4, 3:56 PM PDT · 17591 days ago · 6 km deep · 43 km away
53. 2.17km NNW of Holtville, CASat, Aug 5, 6:03 AM PDT · 17591 days ago · 4 km deep · 10 km away
54. 2.26km NNW of Holtville, CASat, Aug 5, 11:14 AM PDT · 17591 days ago · 4 km deep · 10 km away
55. 1.98km NNW of Holtville, CASat, Aug 5, 11:26 AM PDT · 17591 days ago · 6 km deep · 11 km away
56. 2.27km NNW of Holtville, CASat, Aug 5, 12:09 PM PDT · 17591 days ago · 4 km deep · 10 km away
57. 1.78km ESE of Imperial, CASat, Aug 5, 2:58 PM PDT · 17590 days ago · 10 km deep · 5 km away
58. 1.59km NW of Holtville, CASat, Aug 5, 3:40 PM PDT · 17590 days ago · 4 km deep · 11 km away
59. 2.27km NNW of Holtville, CASat, Aug 5, 5:23 PM PDT · 17590 days ago · 4 km deep · 10 km away
60. 1.86km E of Imperial, CASat, Aug 5, 5:36 PM PDT · 17590 days ago · 7 km deep · 7 km away

The first 60 of 183.

Before

1. 2.331km SE of Campo, CASun, Jul 16, 12:42 AM PDT · 17611 days ago · 14 km deep · 83 km away
2. 1.912km WNW of Niland, CAFri, Jul 14, 2:22 PM PDT · 17613 days ago · 4 km deep · 55 km away
3. 2.16km WSW of Holtville, CAFri, Jul 14, 1:55 PM PDT · 17613 days ago · 10 km deep · 3 km away
4. 1.913km W of Niland, CAFri, Jul 14, 9:10 AM PDT · 17613 days ago · 0 km deep · 53 km away
5. 1.912km W of Niland, CAWed, Jul 12, 4:39 PM PDT · 17614 days ago · 5 km deep · 52 km away
6. 2.06km WSW of Imperial, CAWed, Jul 12, 12:08 PM PDT · 17615 days ago · 10 km deep · 13 km away
7. 1.65km W of Imperial, CAWed, Jul 12, 11:57 AM PDT · 17615 days ago · 10 km deep · 14 km away
8. 1.83km NW of Estacion Coahuila, B.C., MXWed, Jul 12, 5:56 AM PDT · 17615 days ago · 18 km deep · 77 km away
9. 1.914km W of Niland, CAWed, Jul 12, 5:24 AM PDT · 17615 days ago · 3 km deep · 52 km away
10. 2.914km W of Niland, CAWed, Jul 12, 5:17 AM PDT · 17615 days ago · 3 km deep · 53 km away
11. 2.614km W of Niland, CAWed, Jul 12, 5:16 AM PDT · 17615 days ago · 5 km deep · 52 km away
12. 2.211km SE of Bombay Beach, CAWed, Jul 12, 1:36 AM PDT · 17615 days ago · 4 km deep · 56 km away
13. 2.316km WSW of Westmorland, CAWed, Jul 12, 12:13 AM PDT · 17615 days ago · 9 km deep · 38 km away
14. 1.91km SE of Guadalupe Victoria, B.C., MXMon, Jul 10, 11:09 AM PDT · 17617 days ago · 6 km deep · 67 km away
15. 2.43km N of Guadalupe Victoria, B.C., MXMon, Jul 10, 10:57 AM PDT · 17617 days ago · 6 km deep · 63 km away
16. 1.77km WSW of Holtville, CASat, Jul 8, 2:09 AM PDT · 17619 days ago · 10 km deep · 2 km away
17. 1.818km NW of Westmorland, CAFri, Jul 7, 11:42 PM PDT · 17619 days ago · 8 km deep · 49 km away
18. 1.718km W of Westmorland, CAThu, Jul 6, 9:57 PM PDT · 17620 days ago · 6 km deep · 39 km away
19. 1.55km SSW of Holtville, CAThu, Jul 6, 5:38 AM PDT · 17621 days ago · 6 km deep · 7 km away
20. 1.86km NE of Westmorland, CAThu, Jul 6, 3:40 AM PDT · 17621 days ago · 10 km deep · 34 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3340756. Read Sat, Oct 3, 2026, 9:19 AM UTC.