M1.5 earthquake 5km S of Brawley, CA

Magnitude

1.5 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Tue, Jul 21, 1981, 2:10 AM PDT

UTC

1981-07-21 09:10:56 UTC

Depth

13.9 km (8.7 mi), shallow

Epicenter

32.937° N, 115.540° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 2.0 km in depth

Depth from

From location

Station coverage gap

81°

Stations used

8

• Brawley, CaliforniaPopulation 25,897. Forecast5 kmS
• Mexicali, MexicoPopulation 1,032,686. Forecast35 kmNNW

After

1. 1.710km ENE of Borrego Springs, CAWed, Jul 22, 4:08 AM PDT · 16507 days ago · 9 km deep · 80 km away
2. 2.218km ESE of Julian, CAWed, Jul 22, 7:04 AM PDT · 16507 days ago · 7 km deep · 82 km away
3. 1.76km S of Salton City, CAWed, Jul 22, 2:40 PM PDT · 16506 days ago · 5 km deep · 52 km away
4. 1.59km NW of Ocotillo, CAThu, Jul 23, 12:35 PM PDT · 16506 days ago · 5 km deep · 52 km away
5. 1.86km WSW of Salton City, CAThu, Jul 23, 1:14 PM PDT · 16506 days ago · 2 km deep · 58 km away
6. 1.710km NNE of Borrego Springs, CAFri, Jul 24, 4:16 PM PDT · 16504 days ago · 12 km deep · 88 km away
7. 2.011km SE of Puebla, B.C., MXSun, Jul 26, 7:28 AM PDT · 16503 days ago · 6 km deep · 56 km away
8. 1.67km SSW of Salton City, CAMon, Jul 27, 3:17 AM PDT · 16502 days ago · 3 km deep · 55 km away
9. 1.618km N of Borrego Springs, CAMon, Jul 27, 9:52 AM PDT · 16502 days ago · 11 km deep · 96 km away
10. 1.56km NE of Estacion Coahuila, B.C., MXMon, Jul 27, 5:53 PM PDT · 16501 days ago · 6 km deep · 94 km away
11. 2.19km NW of Delta, B.C., MXMon, Jul 27, 8:33 PM PDT · 16501 days ago · 6 km deep · 64 km away
12. 1.525km ESE of Ocotillo Wells, CAWed, Jul 29, 6:34 AM PDT · 16500 days ago · 9 km deep · 35 km away
13. 1.96km WSW of Brawley, CAWed, Jul 29, 12:24 PM PDT · 16500 days ago · 15 km deep · 5 km away
14. 3.411km ENE of Julian, CAWed, Jul 29, 2:28 PM PDT · 16499 days ago · 10 km deep · 92 km away
15. 1.911km NE of Julian, CAWed, Jul 29, 4:11 PM PDT · 16499 days ago · 9 km deep · 94 km away
16. 2.05km WSW of Ocotillo Wells, CAThu, Jul 30, 10:51 AM PDT · 16499 days ago · 6 km deep · 63 km away
17. 1.54km WSW of Ocotillo Wells, CAThu, Jul 30, 3:01 PM PDT · 16498 days ago · 6 km deep · 63 km away
18. 1.54km WNW of Guadalupe Victoria, B.C., MXThu, Jul 30, 9:48 PM PDT · 16498 days ago · 6 km deep · 80 km away
19. 1.56km S of Salton City, CAFri, Jul 31, 5:10 PM PDT · 16497 days ago · 3 km deep · 53 km away
20. 1.734km NNE of North Shore, CASat, Aug 1, 1:55 AM PDT · 16497 days ago · 4 km deep · 98 km away
21. 1.612km SW of Westmorland, CASat, Aug 1, 9:08 AM PDT · 16497 days ago · 10 km deep · 18 km away
22. 1.634km NNE of North Shore, CASun, Aug 2, 1:51 AM PDT · 16496 days ago · 1 km deep · 99 km away
23. 1.534km NNE of North Shore, CASun, Aug 2, 3:17 AM PDT · 16496 days ago · 4 km deep · 99 km away
24. 1.94km NNW of Guadalupe Victoria, B.C., MXSun, Aug 2, 1:22 PM PDT · 16496 days ago · 6 km deep · 79 km away
25. 1.912km N of Delta, B.C., MXSun, Aug 2, 10:42 PM PDT · 16495 days ago · 6 km deep · 63 km away
26. 1.810km NNE of Borrego Springs, CATue, Aug 4, 8:59 AM PDT · 16494 days ago · 13 km deep · 87 km away
27. 2.011km NNE of Julian, CATue, Aug 4, 3:41 PM PDT · 16493 days ago · 11 km deep · 99 km away
28. 1.713km SW of Westmorland, CAWed, Aug 5, 8:40 AM PDT · 16493 days ago · 3 km deep · 18 km away
29. 1.510km NNE of Julian, CAThu, Aug 6, 12:20 AM PDT · 16492 days ago · 15 km deep · 97 km away
30. 1.813km NNE of Pine Valley, CAThu, Aug 6, 2:46 PM PDT · 16491 days ago · 1 km deep · 86 km away
31. 1.716km W of Alberto Oviedo Mota, B.C., MXSat, Aug 8, 12:06 AM PDT · 16490 days ago · 6 km deep · 79 km away
32. 3.013km WSW of Imperial, CASat, Aug 8, 9:43 PM PDT · 16489 days ago · 22 km deep · 20 km away
33. 1.52km SSW of Brawley, CASun, Aug 9, 6:31 PM PDT · 16488 days ago · 15 km deep · 2 km away
34. 1.73km SSW of Brawley, CAMon, Aug 10, 10:20 AM PDT · 16488 days ago · 12 km deep · 2 km away
35. 1.68km SW of Salton City, CAMon, Aug 10, 1:31 PM PDT · 16488 days ago · 3 km deep · 56 km away
36. 1.914km W of El Centro, CAMon, Aug 10, 6:53 PM PDT · 16487 days ago · 14 km deep · 24 km away
37. 1.811km ENE of Julian, CATue, Aug 11, 3:28 AM PDT · 16487 days ago · 12 km deep · 91 km away
38. 2.316km ESE of Campo, CAWed, Aug 12, 8:59 AM PDT · 16486 days ago · 2 km deep · 84 km away
39. 1.512km S of Salton City, CAThu, Aug 13, 9:29 AM PDT · 16485 days ago · 8 km deep · 46 km away
40. 1.634km NNE of North Shore, CAFri, Aug 14, 4:15 AM PDT · 16484 days ago · 3 km deep · 98 km away
41. 1.712km SE of Puebla, B.C., MXFri, Aug 14, 6:49 PM PDT · 16483 days ago · 6 km deep · 56 km away
42. 1.54km SSW of Salton City, CASat, Aug 15, 4:01 AM PDT · 16483 days ago · 5 km deep · 54 km away
43. 1.735km NNE of North Shore, CASat, Aug 15, 9:46 AM PDT · 16483 days ago · 3 km deep · 99 km away
44. 1.815km S of Salton City, CASat, Aug 15, 10:56 AM PDT · 16483 days ago · 12 km deep · 45 km away
45. 2.014km N of Borrego Springs, CASat, Aug 15, 5:40 PM PDT · 16482 days ago · 3 km deep · 93 km away
46. 1.715km N of Borrego Springs, CASat, Aug 15, 8:02 PM PDT · 16482 days ago · 3 km deep · 93 km away
47. 1.515km N of Borrego Springs, CAMon, Aug 17, 9:49 AM PDT · 16481 days ago · 3 km deep · 93 km away
48. 1.715km N of Borrego Springs, CAMon, Aug 17, 10:51 AM PDT · 16481 days ago · 3 km deep · 93 km away
49. 1.64km NNW of Westmorland, CAMon, Aug 17, 12:56 PM PDT · 16481 days ago · 11 km deep · 18 km away
50. 1.617km ESE of Campo, CAMon, Aug 17, 10:42 PM PDT · 16480 days ago · 7 km deep · 84 km away
51. 1.514km N of Borrego Springs, CATue, Aug 18, 2:51 AM PDT · 16480 days ago · 14 km deep · 94 km away
52. 2.514km N of Borrego Springs, CATue, Aug 18, 9:17 AM PDT · 16480 days ago · 12 km deep · 93 km away
53. 2.44km SE of Westmorland, CATue, Aug 18, 8:00 PM PDT · 16479 days ago · 5 km deep · 9 km away
54. 1.523km ESE of Ocotillo Wells, CAThu, Aug 20, 2:13 PM PDT · 16477 days ago · 4 km deep · 37 km away
55. 2.04km WSW of Brawley, CAFri, Aug 21, 6:18 AM PDT · 16477 days ago · 5 km deep · 4 km away
56. 1.54km ENE of Ocotillo Wells, CASat, Aug 22, 12:35 AM PDT · 16476 days ago · 11 km deep · 57 km away
57. 1.96km SSW of Salton City, CASat, Aug 22, 11:20 AM PDT · 16476 days ago · 3 km deep · 53 km away
58. 1.67km N of Imperial, CASat, Aug 22, 12:12 PM PDT · 16476 days ago · 12 km deep · 3 km away
59. 1.834km NNE of North Shore, CASat, Aug 22, 1:49 PM PDT · 16475 days ago · 3 km deep · 98 km away
60. 1.56km SSW of Salton City, CASat, Aug 22, 4:53 PM PDT · 16475 days ago · 1 km deep · 55 km away

The first 60 of 153.

Before

1. 2.46km S of Salton City, CAMon, Jul 20, 8:46 AM PDT · 16509 days ago · 6 km deep · 53 km away
2. 1.511km NNW of Borrego Springs, CASun, Jul 19, 1:08 PM PDT · 16510 days ago · 3 km deep · 93 km away
3. 2.811km ENE of Coachella, CASat, Jul 18, 11:57 PM PDT · 16510 days ago · 2 km deep · 100 km away
4. 1.56km SSW of Salton City, CASat, Jul 18, 10:35 PM PDT · 16510 days ago · 4 km deep · 53 km away
5. 1.78km NNW of Delta, B.C., MXSat, Jul 18, 3:42 PM PDT · 16510 days ago · 6 km deep · 64 km away
6. 1.513km W of Niland, CASat, Jul 18, 3:12 PM PDT · 16510 days ago · 5 km deep · 36 km away
7. 2.121km W of Westmorland, CASat, Jul 18, 9:10 AM PDT · 16511 days ago · 4 km deep · 30 km away
8. 2.316km W of Imperial, CAFri, Jul 17, 11:29 PM PDT · 16511 days ago · 14 km deep · 22 km away
9. 1.57km SW of Salton City, CAFri, Jul 17, 4:46 PM PDT · 16511 days ago · 3 km deep · 56 km away
10. 1.58km NE of Borrego Springs, CAFri, Jul 17, 10:42 AM PDT · 16512 days ago · 3 km deep · 83 km away
11. 1.912km ENE of Thermal, CAFri, Jul 17, 12:57 AM PDT · 16512 days ago · 4 km deep · 94 km away
12. 2.016km W of Westmorland, CAThu, Jul 16, 9:10 AM PDT · 16513 days ago · 5 km deep · 25 km away
13. 1.622km WSW of Westmorland, CAWed, Jul 15, 10:18 PM PDT · 16513 days ago · 7 km deep · 26 km away
14. 1.713km WNW of Progreso, B.C., MXWed, Jul 15, 12:00 PM PDT · 16514 days ago · 12 km deep · 39 km away
15. 1.534km NNE of North Shore, CAWed, Jul 15, 6:28 AM PDT · 16514 days ago · 3 km deep · 99 km away
16. 1.734km NNE of North Shore, CAWed, Jul 15, 4:49 AM PDT · 16514 days ago · 6 km deep · 98 km away
17. 2.519km SW of Ocotillo, CATue, Jul 14, 11:49 AM PDT · 16515 days ago · 14 km deep · 66 km away
18. 1.62km SSW of Brawley, CATue, Jul 14, 6:44 AM PDT · 16515 days ago · 13 km deep · 2 km away
19. 1.66km NNE of Calipatria, CAMon, Jul 13, 4:30 PM PDT · 16515 days ago · 7 km deep · 27 km away
20. 1.79km E of Puebla, B.C., MXMon, Jul 13, 3:30 PM PDT · 16515 days ago · 6 km deep · 50 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci519694. Read Thu, Oct 1, 2026, 8:03 AM UTC.