M3.0 earthquake 4km NW of Brawley, CA

Magnitude

3.0 (ML, local (Richter)), minor

Magnitude from

Southern California Seismic Network

Local time

Thu, Aug 30, 1973, 2:17 PM PDT

UTC

1973-08-30 21:17:01 UTC

Depth

6.0 km (3.7 mi), shallow

Epicenter

33.009° N, 115.557° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.3 km horizontally, 31.6 km in depth

Magnitude uncertainty

±0.11

Depth from

Operator assigned

Station coverage gap

148°

Stations used

6

• Brawley, CaliforniaPopulation 25,897. Forecast4 kmNW
• Mexicali, MexicoPopulation 1,032,686. Forecast43 kmNNW

After

1. 1.80km SW of Brawley, CAThu, Aug 30, 3:02 PM PDT · 19390 days ago · 5 km deep · 4 km away
2. 1.51km S of Brawley, CAThu, Aug 30, 4:23 PM PDT · 19390 days ago · 11 km deep · 5 km away
3. 2.511km NNW of Campo, CAThu, Aug 30, 5:38 PM PDT · 19390 days ago · 8 km deep · 96 km away
4. 2.54km S of Brawley, CAThu, Aug 30, 9:18 PM PDT · 19390 days ago · 8 km deep · 8 km away
5. 2.41km SSE of Brawley, CAThu, Aug 30, 9:45 PM PDT · 19390 days ago · 5 km deep · 5 km away
6. 2.63km WNW of Brawley, CAThu, Aug 30, 10:42 PM PDT · 19390 days ago · 6 km deep · 3 km away
7. 2.23km SW of Brawley, CAFri, Aug 31, 6:06 PM PDT · 19389 days ago · 6 km deep · 5 km away
8. 2.36km NNE of Imperial, CAFri, Aug 31, 6:21 PM PDT · 19389 days ago · 6 km deep · 13 km away
9. 2.54km W of Brawley, CAFri, Aug 31, 6:23 PM PDT · 19389 days ago · 6 km deep · 4 km away
10. 2.59km WNW of Holtville, CASun, Sep 2, 10:40 AM PDT · 19387 days ago · 6 km deep · 20 km away
11. 2.25km SSW of Holtville, CASun, Sep 2, 10:43 AM PDT · 19387 days ago · 6 km deep · 30 km away
12. 2.96km W of Holtville, CASun, Sep 2, 10:53 AM PDT · 19387 days ago · 6 km deep · 24 km away
13. 2.58km W of Calipatria, CAThu, Sep 6, 10:55 PM PDT · 19383 days ago · 2 km deep · 13 km away
14. 2.623km WNW of Ocotillo, CASat, Sep 8, 6:38 AM PDT · 19381 days ago · 8 km deep · 66 km away
15. 2.929km S of Progreso, B.C., MXSat, Sep 8, 9:54 AM PDT · 19381 days ago · 6 km deep · 77 km away
16. 4.728km NW of Ocotillo, CAThu, Sep 13, 10:30 AM PDT · 19376 days ago · 9 km deep · 64 km away
17. 2.526km ENE of Pine Valley, CAThu, Sep 13, 10:40 AM PDT · 19376 days ago · 3 km deep · 67 km away
18. 3.028km ENE of Pine Valley, CAThu, Sep 13, 3:48 PM PDT · 19376 days ago · 9 km deep · 66 km away
19. 2.612km SSE of Pine Valley, CAThu, Sep 13, 5:28 PM PDT · 19376 days ago · 7 km deep · 93 km away
20. 3.226km ENE of Pine Valley, CAThu, Sep 13, 10:24 PM PDT · 19376 days ago · 8 km deep · 67 km away
21. 2.824km ENE of Pine Valley, CAThu, Sep 13, 10:56 PM PDT · 19376 days ago · 11 km deep · 69 km away
22. 2.526km ENE of Pine Valley, CAFri, Sep 14, 12:04 AM PDT · 19375 days ago · 10 km deep · 68 km away
23. 3.540km SSW of Progreso, B.C., MXFri, Sep 14, 4:57 PM PDT · 19375 days ago · 6 km deep · 85 km away
24. 2.121km NE of Warner Springs, CASat, Sep 15, 8:05 AM PDT · 19374 days ago · 7 km deep · 99 km away
25. 3.012km ESE of Puebla, B.C., MXSat, Sep 15, 8:00 PM PDT · 19374 days ago · 6 km deep · 63 km away
26. 3.316km SW of Westmorland, CASat, Sep 15, 11:58 PM PDT · 19374 days ago · 6 km deep · 19 km away
27. 2.28km SW of Westmorland, CASun, Sep 16, 12:14 AM PDT · 19373 days ago · 5 km deep · 11 km away
28. 3.412km SSW of Borrego Springs, CATue, Sep 18, 5:01 PM PDT · 19371 days ago · 14 km deep · 80 km away
29. 2.55km SSW of Pine Valley, CAWed, Sep 19, 6:10 PM PDT · 19370 days ago · 12 km deep · 96 km away
30. 3.023km N of Borrego Springs, CAThu, Sep 20, 1:40 PM PDT · 19369 days ago · 6 km deep · 93 km away
31. 1.77km WSW of Ocotillo, CASat, Sep 22, 9:46 AM PDT · 19367 days ago · 10 km deep · 57 km away
32. 3.015 km SSE of Alpine Village, CaliforniaSat, Sep 22, 1:40 PM PDT · 19367 days ago · 8 km deep · 93 km away
33. 2.810km E of Puebla, B.C., MXThu, Sep 27, 5:54 AM PDT · 19362 days ago · 10 km deep · 57 km away
34. 2.59km NNW of Borrego Springs, CASat, Sep 29, 5:46 AM PDT · 19360 days ago · 6 km deep · 86 km away
35. 1.56km E of Westmorland, CASat, Sep 29, 7:20 AM PDT · 19360 days ago · 5 km deep · 2 km away
36. 2.51km SSW of Bombay Beach, CATue, Oct 2, 12:31 AM PDT · 19357 days ago · 6 km deep · 40 km away
37. 2.612km N of Campo, CATue, Oct 2, 5:52 PM PDT · 19357 days ago · 6 km deep · 91 km away
38. 1.98km NE of Imperial, CATue, Oct 2, 8:41 PM PDT · 19357 days ago · 4 km deep · 15 km away
39. 3.07km E of Borrego Springs, CASat, Oct 6, 11:38 PM PDT · 19353 days ago · 6 km deep · 74 km away
40. 3.110km E of Borrego Springs, CASun, Oct 7, 12:43 AM PDT · 19352 days ago · 10 km deep · 71 km away
41. 1.93km NNW of El Centro, CASun, Oct 7, 1:10 AM PDT · 19352 days ago · 5 km deep · 22 km away
42. 1.71km N of El Centro, CASun, Oct 7, 2:37 AM PDT · 19352 days ago · 5 km deep · 23 km away
43. 2.75km SSE of Pine Valley, CAThu, Oct 11, 5:35 PM PDT · 19348 days ago · 4 km deep · 93 km away
44. 2.29km SSW of Holtville, CAFri, Oct 12, 6:15 AM PDT · 19347 days ago · 6 km deep · 33 km away
45. 2.516km N of Delta, B.C., MXFri, Oct 12, 9:52 PM PDT · 19347 days ago · 4 km deep · 67 km away
46. 1.73km S of Brawley, CASat, Oct 13, 12:20 AM PDT · 19346 days ago · 5 km deep · 7 km away
47. 3.010km WSW of Puebla, B.C., MXWed, Oct 17, 4:16 AM PDT · 19342 days ago · 5 km deep · 55 km away
48. 3.319km ESE of Ocotillo Wells, CASun, Oct 21, 4:20 PM PDT · 19338 days ago · 6 km deep · 37 km away
49. 1.616km WSW of Westmorland, CASun, Oct 21, 4:30 PM PDT · 19338 days ago · 5 km deep · 22 km away
50. 1.721km WSW of Westmorland, CAWed, Oct 24, 7:42 PM PDT · 19335 days ago · 9 km deep · 26 km away
51. 2.912km NE of Coachella, CAThu, Oct 25, 4:07 PM PDT · 19334 days ago · 0 km deep · 98 km away
52. 1.613km E of Holtville, CAFri, Oct 26, 5:42 PM PDT · 19333 days ago · 5 km deep · 37 km away
53. 2.16km WSW of Brawley, CASat, Oct 27, 3:10 AM PDT · 19332 days ago · 5 km deep · 7 km away

Before

1. 3.02km WNW of Brawley, CAThu, Aug 30, 1:13 PM PDT · 19390 days ago · 6 km deep · 3 km away
2. 2.93km WNW of Brawley, CAThu, Aug 30, 12:38 PM PDT · 19390 days ago · 6 km deep · 2 km away
3. 1.61km SW of Brawley, CAThu, Aug 30, 12:22 PM PDT · 19390 days ago · 5 km deep · 5 km away
4. 3.14km W of Brawley, CAThu, Aug 30, 12:17 PM PDT · 19390 days ago · 6 km deep · 4 km away
5. 3.33km W of Brawley, CAThu, Aug 30, 11:49 AM PDT · 19390 days ago · 6 km deep · 3 km away
6. 3.14km SSW of Brawley, CAThu, Aug 30, 11:42 AM PDT · 19390 days ago · 6 km deep · 7 km away
7. 2.22km S of Brawley, CAThu, Aug 30, 11:19 AM PDT · 19390 days ago · 5 km deep · 5 km away
8. 2.82km WNW of Brawley, CAThu, Aug 30, 10:50 AM PDT · 19390 days ago · 6 km deep · 3 km away
9. 3.04km NW of Brawley, CAThu, Aug 30, 8:59 AM PDT · 19390 days ago · 6 km deep · 1 km away
10. 2.711km W of Calipatria, CAMon, Aug 27, 6:01 AM PDT · 19393 days ago · 6 km deep · 16 km away
11. 2.710km N of Westmorland, CAMon, Aug 27, 12:39 AM PDT · 19393 days ago · 6 km deep · 14 km away
12. 3.011km SSW of Borrego Springs, CASat, Aug 25, 11:14 AM PDT · 19395 days ago · 6 km deep · 82 km away
13. 2.85km NNE of Westmorland, CAThu, Aug 23, 10:20 AM PDT · 19397 days ago · 6 km deep · 9 km away
14. 2.812km E of Borrego Springs, CAWed, Aug 22, 2:03 PM PDT · 19398 days ago · 6 km deep · 70 km away
15. 2.724km S of Progreso, B.C., MXMon, Aug 20, 8:43 AM PDT · 19400 days ago · 6 km deep · 72 km away
16. 2.932km S of Progreso, B.C., MXMon, Aug 20, 7:27 AM PDT · 19400 days ago · 6 km deep · 79 km away
17. 3.529km S of Progreso, B.C., MXMon, Aug 20, 6:39 AM PDT · 19400 days ago · 6 km deep · 76 km away
18. 2.52km N of Brawley, CAMon, Aug 20, 3:04 AM PDT · 19400 days ago · 5 km deep · 2 km away
19. 2.68km N of Westmorland, CAFri, Aug 17, 10:41 PM PDT · 19403 days ago · 0 km deep · 12 km away
20. 2.79km NNW of Campo, CAThu, Aug 16, 5:22 PM PDT · 19404 days ago · 11 km deep · 96 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3319280. Read Thu, Oct 1, 2026, 6:29 PM UTC.