California earthquakes

M1.7 earthquake 1km SSE of Brawley, CA

A magnitude 1.7 earthquake struck 1km SSE of Brawley, CA on Fri, Dec 15, 1978, 7:19 PM PST (03:19 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.2 22km N of Borrego Springs, CA. This one was a foreshock.

Brawley forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-12-16 03:19:21 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
32.968° N, 115.525° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.8 km horizontally, 31.6 km in depth
Depth from
Operator assigned
Station coverage gap
65°
Stations used
13

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 160 in the 60 days after this one and 90 in the 30 days before it.

After

  1. 1.618km SSW of Ocotillo Wells, CA · 17457 days ago · 6 km deep · 65 km away
  2. 1.712km N of Delta, B.C., MX · 17457 days ago · 10 km deep · 65 km away
  3. 1.522km SW of Westmorland, CA · 17457 days ago · 7 km deep · 27 km away
  4. 2.411km ESE of Puebla, B.C., MX · 17456 days ago · 10 km deep · 54 km away
  5. 1.821km SW of Westmorland, CA · 17455 days ago · 8 km deep · 26 km away
  6. 1.65km NW of Brawley, CA · 17455 days ago · 8 km deep · 6 km away
  7. 1.89km E of Puebla, B.C., MX · 17454 days ago · 10 km deep · 50 km away
  8. 2.06km W of Brawley, CA · 17454 days ago · 8 km deep · 6 km away
  9. 2.321km NNE of Ocotillo, CA · 17453 days ago · 9 km deep · 34 km away
  10. 1.622km NNE of Ocotillo, CA · 17453 days ago · 8 km deep · 33 km away
  11. 2.05km ENE of Westmorland, CA · 17452 days ago · 10 km deep · 11 km away
  12. 2.814km W of Alberto Oviedo Mota, B.C., MX · 17452 days ago · 6 km deep · 86 km away
  13. 1.827km WNW of Desert Center, CA · 17450 days ago · 4 km deep · 91 km away
  14. 1.827km SE of Ocotillo Wells, CA · 17450 days ago · 15 km deep · 37 km away
  15. 1.712km NW of Progreso, B.C., MX · 17449 days ago · 16 km deep · 37 km away
  16. 1.715km W of Imperial, CA · 17449 days ago · 10 km deep · 24 km away
  17. 2.014km W of Alberto Oviedo Mota, B.C., MX · 17448 days ago · 6 km deep · 82 km away
  18. 1.726km SW of Ocotillo, CA · 17448 days ago · 12 km deep · 77 km away
  19. 1.811km NW of Progreso, B.C., MX · 17448 days ago · 10 km deep · 37 km away
  20. 1.94km ESE of Ocotillo Wells, CA · 17448 days ago · 6 km deep · 56 km away
  21. 1.526km WSW of Westmorland, CA · 17445 days ago · 5 km deep · 34 km away
  22. 1.517km N of North Shore, CA · 17445 days ago · 3 km deep · 88 km away
  23. 1.527km WNW of Desert Center, CA · 17445 days ago · 6 km deep · 90 km away
  24. 1.527km WNW of Desert Center, CA · 17445 days ago · 8 km deep · 91 km away
  25. 1.927km WNW of Desert Center, CA · 17445 days ago · 2 km deep · 91 km away
  26. 1.521km NW of Progreso, B.C., MX · 17445 days ago · 7 km deep · 37 km away
  27. 1.57km SSW of Holtville, CA · 17444 days ago · 6 km deep · 26 km away
  28. 1.78km SW of Holtville, CA · 17444 days ago · 10 km deep · 24 km away
  29. 1.66km SW of Holtville, CA · 17444 days ago · 10 km deep · 23 km away
  30. 1.76km WSW of Holtville, CA · 17444 days ago · 10 km deep · 22 km away
  31. 1.68km SW of Holtville, CA · 17444 days ago · 10 km deep · 24 km away
  32. 1.57km SW of Holtville, CA · 17444 days ago · 10 km deep · 24 km away
  33. 2.434km WSW of Alberto Oviedo Mota, B.C., MX · 17444 days ago · 6 km deep · 97 km away
  34. 1.72km SE of El Centro, CA · 17443 days ago · 10 km deep · 22 km away
  35. 1.69km SSW of Borrego Springs, CA · 17443 days ago · 12 km deep · 84 km away
  36. 1.510km SSW of Borrego Springs, CA · 17443 days ago · 15 km deep · 87 km away
  37. 2.18km SE of Ocotillo, CA · 17442 days ago · 6 km deep · 49 km away
  38. 1.616km N of Delta, B.C., MX · 17441 days ago · 10 km deep · 61 km away
  39. 1.613km SSW of Borrego Springs, CA · 17441 days ago · 6 km deep · 88 km away
  40. 2.110km W of Calipatria, CA · 17439 days ago · 6 km deep · 21 km away
  41. 2.012km ENE of Borrego Springs, CA · 17439 days ago · 5 km deep · 76 km away
  42. 1.76km SW of Brawley, CA · 17437 days ago · 10 km deep · 6 km away
  43. 1.97km SW of Brawley, CA · 17437 days ago · 10 km deep · 7 km away
  44. 1.624km NE of Thermal, CA · 17436 days ago · 10 km deep · 96 km away
  45. 1.624km ENE of Pine Valley, CA · 17436 days ago · 0 km deep · 74 km away
  46. 2.09km ENE of El Centro, CA · 17435 days ago · 10 km deep · 16 km away
  47. 2.210km SW of Salton City, CA · 17435 days ago · 9 km deep · 57 km away
  48. 2.310km SW of Salton City, CA · 17434 days ago · 5 km deep · 57 km away
  49. 2.010km SW of Salton City, CA · 17434 days ago · 6 km deep · 56 km away
  50. 1.914km SE of Puebla, B.C., MX · 17434 days ago · 6 km deep · 60 km away
  51. 1.79km W of Niland, CA · 17433 days ago · 3 km deep · 33 km away
  52. 1.610km SW of Salton City, CA · 17432 days ago · 1 km deep · 56 km away
  53. 1.918km ESE of Julian, CA · 17432 days ago · 8 km deep · 84 km away
  54. 1.76km E of Westmorland, CA · 17432 days ago · 10 km deep · 9 km away
  55. 2.417km ESE of Julian, CA · 17431 days ago · 13 km deep · 85 km away
  56. 1.918km ESE of Julian, CA · 17431 days ago · 12 km deep · 85 km away
  57. 1.818km ESE of Julian, CA · 17431 days ago · 8 km deep · 84 km away
  58. 1.69km WSW of Ocotillo, CA · 17429 days ago · 9 km deep · 60 km away
  59. 1.83km WSW of Brawley, CA · 17429 days ago · 10 km deep · 3 km away
  60. 2.12km WSW of Brawley, CA · 17428 days ago · 10 km deep · 3 km away

The first 60 of 160.

Before

  1. 1.73km NE of Heber, CA · 17458 days ago · 6 km deep · 24 km away
  2. 2.34km W of Estacion Coahuila, B.C., MX · 17458 days ago · 6 km deep · 97 km away
  3. 1.811km N of Borrego Springs, CA · 17459 days ago · 14 km deep · 91 km away
  4. 1.96km E of Westmorland, CA · 17459 days ago · 9 km deep · 9 km away
  5. 2.82km SW of Estacion Coahuila, B.C., MX · 17460 days ago · 10 km deep · 100 km away
  6. 1.925km WNW of Desert Center, CA · 17460 days ago · 2 km deep · 89 km away
  7. 1.724km W of Desert Center, CA · 17460 days ago · 6 km deep · 87 km away
  8. 2.612km SW of Westmorland, CA · 17460 days ago · 10 km deep · 16 km away
  9. 2.04km NNW of Brawley, CA · 17461 days ago · 10 km deep · 6 km away
  10. 1.94km NNW of Brawley, CA · 17461 days ago · 9 km deep · 5 km away
  11. 1.86km N of Brawley, CA · 17461 days ago · 8 km deep · 7 km away
  12. 1.86km N of Brawley, CA · 17461 days ago · 8 km deep · 7 km away
  13. 1.94km NNW of Brawley, CA · 17461 days ago · 9 km deep · 6 km away
  14. 1.517km ENE of Borrego Springs, CA · 17461 days ago · 12 km deep · 76 km away
  15. 2.05km NNW of Brawley, CA · 17461 days ago · 8 km deep · 6 km away
  16. 1.922km NE of Pine Valley, CA · 17461 days ago · 6 km deep · 75 km away
  17. 1.75km NNW of Brawley, CA · 17463 days ago · 7 km deep · 6 km away
  18. 1.95km NNW of Brawley, CA · 17463 days ago · 10 km deep · 6 km away
  19. 2.15km NNW of Brawley, CA · 17463 days ago · 10 km deep · 6 km away
  20. 1.64km NNW of Brawley, CA · 17463 days ago · 6 km deep · 6 km away

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From the USGS Earthquake Hazards Program and its partner networks, event ci3314219. Read Fri, Oct 2, 2026, 7:22 PM UTC.