M1.7 earthquake 5km WNW of Brawley, CA

Magnitude

1.7 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Sat, Feb 4, 1978, 6:21 AM PST

UTC

1978-02-04 14:21:31 UTC

Depth

7.1 km (4.4 mi), shallow

Epicenter

32.989° N, 115.581° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 2.0 km in depth

Depth from

From location

Station coverage gap

110°

Stations used

11

• Brawley, CaliforniaPopulation 25,897. Forecast5 kmWNW
• Mexicali, MexicoPopulation 1,032,686. Forecast42 kmNNW

After

1. 2.33km NE of Guadalupe Victoria, B.C., MXSat, Feb 4, 1:27 PM PST · 17771 days ago · 6 km deep · 89 km away
2. 1.63km W of Niland, CASat, Feb 4, 6:11 PM PST · 17771 days ago · 1 km deep · 28 km away
3. 1.75km WSW of Niland, CASat, Feb 4, 6:13 PM PST · 17771 days ago · 6 km deep · 25 km away
4. 2.222km ESE of Anza, CASat, Feb 4, 7:18 PM PST · 17771 days ago · 15 km deep · 98 km away
5. 1.66km NNW of Brawley, CASun, Feb 5, 2:48 AM PST · 17771 days ago · 10 km deep · 5 km away
6. 2.08km SW of Brawley, CASun, Feb 5, 5:04 AM PST · 17771 days ago · 10 km deep · 6 km away
7. 2.18km SW of Brawley, CASun, Feb 5, 5:13 AM PST · 17771 days ago · 10 km deep · 6 km away
8. 1.65km ENE of Westmorland, CASun, Feb 5, 5:38 AM PST · 17771 days ago · 7 km deep · 7 km away
9. 1.88km WSW of Brawley, CASun, Feb 5, 5:53 AM PST · 17771 days ago · 10 km deep · 6 km away
10. 2.020km WNW of Imperial, CASun, Feb 5, 11:22 AM PST · 17770 days ago · 10 km deep · 22 km away
11. 1.64km ENE of Westmorland, CASun, Feb 5, 3:49 PM PST · 17770 days ago · 10 km deep · 7 km away
12. 1.83km ENE of Westmorland, CASun, Feb 5, 3:51 PM PST · 17770 days ago · 10 km deep · 6 km away
13. 2.212km SE of Bombay Beach, CASun, Feb 5, 6:09 PM PST · 17770 days ago · 6 km deep · 32 km away
14. 1.86km WSW of Brawley, CAMon, Feb 6, 12:57 AM PST · 17770 days ago · 10 km deep · 4 km away
15. 2.54km WNW of Niland, CAMon, Feb 6, 4:35 AM PST · 17770 days ago · 3 km deep · 29 km away
16. 2.44km WNW of Niland, CAMon, Feb 6, 4:38 AM PST · 17770 days ago · 2 km deep · 29 km away
17. 2.03km W of Niland, CAMon, Feb 6, 4:39 AM PST · 17770 days ago · 0 km deep · 28 km away
18. 1.726km WNW of Desert Center, CAMon, Feb 6, 4:44 AM PST · 17770 days ago · 6 km deep · 88 km away
19. 2.826km WNW of Desert Center, CAMon, Feb 6, 4:45 AM PST · 17770 days ago · 4 km deep · 88 km away
20. 2.027km WNW of Desert Center, CAMon, Feb 6, 4:45 AM PST · 17770 days ago · 3 km deep · 87 km away
21. 1.75km WNW of Niland, CAMon, Feb 6, 4:48 AM PST · 17770 days ago · 6 km deep · 29 km away
22. 2.25km WNW of Niland, CAMon, Feb 6, 4:52 AM PST · 17770 days ago · 6 km deep · 29 km away
23. 3.55km WNW of Niland, CAMon, Feb 6, 4:57 AM PST · 17770 days ago · 4 km deep · 29 km away
24. 1.63km WSW of Niland, CAMon, Feb 6, 5:04 AM PST · 17770 days ago · 1 km deep · 27 km away
25. 1.83km W of Niland, CAMon, Feb 6, 5:07 AM PST · 17770 days ago · 1 km deep · 27 km away
26. 1.74km W of Niland, CAMon, Feb 6, 5:12 AM PST · 17770 days ago · 0 km deep · 29 km away
27. 1.65km WNW of Niland, CAMon, Feb 6, 5:13 AM PST · 17770 days ago · 4 km deep · 30 km away
28. 2.04km WNW of Niland, CAMon, Feb 6, 5:15 AM PST · 17770 days ago · 2 km deep · 29 km away
29. 1.93km W of Niland, CAMon, Feb 6, 5:18 AM PST · 17770 days ago · 3 km deep · 28 km away
30. 1.73km W of Niland, CAMon, Feb 6, 5:18 AM PST · 17770 days ago · 3 km deep · 28 km away
31. 1.527km WNW of Desert Center, CAMon, Feb 6, 5:57 AM PST · 17769 days ago · 4 km deep · 88 km away
32. 2.026km WNW of Desert Center, CAMon, Feb 6, 7:52 AM PST · 17769 days ago · 2 km deep · 88 km away
33. 1.73km W of Niland, CAMon, Feb 6, 8:10 AM PST · 17769 days ago · 0 km deep · 28 km away
34. 1.512km N of Borrego Springs, CAMon, Feb 6, 10:49 AM PST · 17769 days ago · 12 km deep · 84 km away
35. 1.76km W of Niland, CAMon, Feb 6, 10:53 AM PST · 17769 days ago · 5 km deep · 29 km away
36. 2.24km WNW of Niland, CAMon, Feb 6, 10:53 AM PST · 17769 days ago · 0 km deep · 29 km away
37. 2.39km N of Westmorland, CAMon, Feb 6, 3:58 PM PST · 17769 days ago · 9 km deep · 15 km away
38. 1.912km W of Westmorland, CAMon, Feb 6, 10:15 PM PST · 17769 days ago · 3 km deep · 16 km away
39. 1.78km ENE of El Centro, CATue, Feb 7, 7:09 AM PST · 17768 days ago · 11 km deep · 21 km away
40. 1.827km WNW of Desert Center, CAWed, Feb 8, 3:47 AM PST · 17768 days ago · 6 km deep · 88 km away
41. 1.94km ESE of Bombay Beach, CAWed, Feb 8, 4:45 PM PST · 17767 days ago · 7 km deep · 40 km away
42. 1.81km S of Brawley, CAThu, Feb 9, 3:53 AM PST · 17767 days ago · 10 km deep · 5 km away
43. 2.03km N of Brawley, CAFri, Feb 10, 1:57 AM PST · 17766 days ago · 10 km deep · 5 km away
44. 2.28km SSW of Borrego Springs, CAFri, Feb 10, 3:41 AM PST · 17766 days ago · 15 km deep · 79 km away
45. 1.79km ENE of El Centro, CAFri, Feb 10, 3:59 AM PST · 17766 days ago · 10 km deep · 20 km away
46. 2.14km NNW of Brawley, CAFri, Feb 10, 8:00 AM PST · 17765 days ago · 10 km deep · 5 km away
47. 1.926km WNW of Desert Center, CAFri, Feb 10, 9:16 AM PST · 17765 days ago · 3 km deep · 89 km away
48. 2.35km NNW of Brawley, CAFri, Feb 10, 4:13 PM PST · 17765 days ago · 8 km deep · 4 km away
49. 2.44km N of Brawley, CAFri, Feb 10, 5:45 PM PST · 17765 days ago · 7 km deep · 5 km away
50. 2.43km N of Brawley, CAFri, Feb 10, 5:45 PM PST · 17765 days ago · 5 km deep · 5 km away
51. 1.64km E of Westmorland, CAFri, Feb 10, 6:09 PM PST · 17765 days ago · 11 km deep · 5 km away
52. 2.14km N of Brawley, CAFri, Feb 10, 6:22 PM PST · 17765 days ago · 8 km deep · 5 km away
53. 3.05km N of Brawley, CAFri, Feb 10, 6:25 PM PST · 17765 days ago · 10 km deep · 5 km away
54. 2.76km N of Brawley, CAFri, Feb 10, 6:26 PM PST · 17765 days ago · 6 km deep · 7 km away
55. 1.84km NNW of Brawley, CAFri, Feb 10, 6:49 PM PST · 17765 days ago · 8 km deep · 5 km away
56. 1.75km WNW of Brawley, CAFri, Feb 10, 7:07 PM PST · 17765 days ago · 10 km deep · 1 km away
57. 2.15km N of Brawley, CAFri, Feb 10, 7:56 PM PST · 17765 days ago · 8 km deep · 5 km away
58. 2.24km NNW of Brawley, CASat, Feb 11, 1:42 AM PST · 17765 days ago · 9 km deep · 5 km away
59. 2.04km NNW of Brawley, CASat, Feb 11, 2:14 AM PST · 17765 days ago · 7 km deep · 4 km away
60. 1.73km WSW of Niland, CASat, Feb 11, 6:10 AM PST · 17764 days ago · 0 km deep · 27 km away

The first 60 of 188.

Before

1. 1.62km S of Niland, CASat, Feb 4, 5:04 AM PST · 17772 days ago · 10 km deep · 27 km away
2. 1.64km W of Niland, CASat, Feb 4, 5:03 AM PST · 17772 days ago · 4 km deep · 28 km away
3. 1.73km W of Niland, CASat, Feb 4, 4:54 AM PST · 17772 days ago · 0 km deep · 28 km away
4. 2.211km S of Puebla, B.C., MXThu, Feb 2, 10:32 PM PST · 17773 days ago · 6 km deep · 62 km away
5. 2.323km WSW of Westmorland, CAThu, Feb 2, 8:22 AM PST · 17773 days ago · 4 km deep · 25 km away
6. 1.826km WNW of Desert Center, CAThu, Feb 2, 7:33 AM PST · 17773 days ago · 1 km deep · 89 km away
7. 2.924km WSW of Westmorland, CAThu, Feb 2, 6:08 AM PST · 17773 days ago · 4 km deep · 26 km away
8. 1.67km E of Borrego Springs, CAThu, Feb 2, 3:44 AM PST · 17774 days ago · 6 km deep · 74 km away
9. 1.73km NNE of Westmorland, CAWed, Feb 1, 7:10 AM PST · 17774 days ago · 10 km deep · 8 km away
10. 1.826km WNW of Desert Center, CAWed, Feb 1, 1:29 AM PST · 17775 days ago · 2 km deep · 88 km away
11. 1.526km WNW of Desert Center, CAWed, Feb 1, 1:29 AM PST · 17775 days ago · 2 km deep · 88 km away
12. 2.126km WNW of Desert Center, CAWed, Feb 1, 1:29 AM PST · 17775 days ago · 2 km deep · 89 km away
13. 1.826km WNW of Desert Center, CAWed, Feb 1, 1:26 AM PST · 17775 days ago · 4 km deep · 88 km away
14. 2.126km WNW of Desert Center, CAWed, Feb 1, 1:25 AM PST · 17775 days ago · 1 km deep · 88 km away
15. 1.918km NE of Coachella, CATue, Jan 31, 11:27 PM PST · 17775 days ago · 1 km deep · 99 km away
16. 1.93km SSW of Brawley, CATue, Jan 31, 9:32 PM PST · 17775 days ago · 10 km deep · 6 km away
17. 1.76km WSW of Imperial, CATue, Jan 31, 5:08 AM PST · 17776 days ago · 10 km deep · 19 km away
18. 2.35km WNW of El Centro, CATue, Jan 31, 5:06 AM PST · 17776 days ago · 10 km deep · 20 km away
19. 1.95km WSW of Imperial, CATue, Jan 31, 4:17 AM PST · 17776 days ago · 10 km deep · 18 km away
20. 2.14km SW of Imperial, CATue, Jan 31, 4:16 AM PST · 17776 days ago · 10 km deep · 18 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9998698. Read Fri, Oct 2, 2026, 1:24 AM UTC.