California earthquakes

M1.7 earthquake 8km WSW of Brawley, CA

A magnitude 1.7 earthquake struck 8km WSW of Brawley, CA on Sun, Mar 5, 1978, 7:43 PM PST (03:43 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M4.8 9km WSW of Estacion Coahuila, B.C., MX. 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 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-03-06 03:43:58 UTC
Depth
8.5 km (5.3 mi), shallow
Epicenter
32.959° N, 115.610° 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 0.7 km horizontally, 2.1 km in depth
Depth from
From location
Station coverage gap
75°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 142 in the 30 days before it.

After

  1. 1.912km SSE of Bombay Beach, CA · 17743 days ago · 5 km deep · 33 km away
  2. 1.62km NW of Brawley, CA · 17742 days ago · 10 km deep · 7 km away
  3. 2.112km SSW of Westmorland, CA · 17742 days ago · 10 km deep · 7 km away
  4. 2.51km NW of Guadalupe Victoria, B.C., MX · 17742 days ago · 6 km deep · 87 km away
  5. 2.50km E of Guadalupe Victoria, B.C., MX · 17742 days ago · 6 km deep · 89 km away
  6. 2.27km NNE of Guadalupe Victoria, B.C., MX · 17742 days ago · 10 km deep · 85 km away
  7. 1.89km N of Guadalupe Victoria, B.C., MX · 17741 days ago · 6 km deep · 82 km away
  8. 1.97km E of Imperial, CA · 17740 days ago · 5 km deep · 16 km away
  9. 1.533km NNE of North Shore, CA · 17740 days ago · 12 km deep · 95 km away
  10. 1.88km E of Imperial, CA · 17740 days ago · 5 km deep · 17 km away
  11. 1.88km SW of Holtville, CA · 17739 days ago · 10 km deep · 27 km away
  12. 2.68km WSW of Holtville, CA · 17739 days ago · 10 km deep · 25 km away
  13. 2.08km WSW of Holtville, CA · 17739 days ago · 10 km deep · 25 km away
  14. 2.38km SW of Holtville, CA · 17739 days ago · 10 km deep · 27 km away
  15. 2.07km SW of Holtville, CA · 17739 days ago · 10 km deep · 26 km away
  16. 1.97km WSW of Holtville, CA · 17739 days ago · 9 km deep · 25 km away
  17. 2.37km SW of Holtville, CA · 17739 days ago · 10 km deep · 26 km away
  18. 2.18km SW of Holtville, CA · 17739 days ago · 10 km deep · 26 km away
  19. 2.27km SW of Holtville, CA · 17739 days ago · 10 km deep · 26 km away
  20. 1.98km SW of Holtville, CA · 17739 days ago · 10 km deep · 26 km away
  21. 2.314km SSW of Puebla, B.C., MX · 17739 days ago · 10 km deep · 59 km away
  22. 2.05km SSW of Puebla, B.C., MX · 17739 days ago · 6 km deep · 53 km away
  23. 2.35km WSW of Puebla, B.C., MX · 17739 days ago · 10 km deep · 49 km away
  24. 2.82km NNW of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 87 km away
  25. 2.52km SSE of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 90 km away
  26. 1.91km W of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 87 km away
  27. 2.26km N of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 83 km away
  28. 2.25km NNW of Brawley, CA · 17738 days ago · 6 km deep · 10 km away
  29. 2.32km SSE of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 90 km away
  30. 3.23km NW of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 86 km away
  31. 2.08km ENE of Delta, B.C., MX · 17738 days ago · 6 km deep · 80 km away
  32. 2.46km NNW of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 83 km away
  33. 1.910km N of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 81 km away
  34. 2.07km NNE of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 84 km away
  35. 1.85km NW of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 83 km away
  36. 2.23km N of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 86 km away
  37. 2.310km NNE of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 83 km away
  38. 1.814km ENE of Delta, B.C., MX · 17738 days ago · 6 km deep · 79 km away
  39. 3.02km N of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 87 km away
  40. 2.53km NNW of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 85 km away
  41. 2.14km N of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 85 km away
  42. 3.31km ESE of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 90 km away
  43. 3.18km E of Delta, B.C., MX · 17738 days ago · 6 km deep · 81 km away
  44. 3.46km NNE of Delta, B.C., MX · 17738 days ago · 6 km deep · 74 km away
  45. 1.77km E of Delta, B.C., MX · 17738 days ago · 6 km deep · 82 km away
  46. 1.82km NNW of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 86 km away
  47. 2.34km NNW of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 84 km away
  48. 2.12km WNW of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 86 km away
  49. 2.71km S of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 89 km away
  50. 2.34km NW of Guadalupe Victoria, B.C., MX · 17738 days ago · 6 km deep · 85 km away
  51. 2.14km NNW of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 85 km away
  52. 2.51km NNE of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 88 km away
  53. 1.83km NNW of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 86 km away
  54. 2.14km NW of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 84 km away
  55. 1.510km SSW of Tecolots, B.C., MX · 17737 days ago · 6 km deep · 75 km away
  56. 1.68km N of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 82 km away
  57. 2.34km NNW of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 84 km away
  58. 2.36km SW of Puebla, B.C., MX · 17737 days ago · 22 km deep · 52 km away
  59. 3.03km N of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 86 km away
  60. 2.33km NNW of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 86 km away

The first 60 of 198.

Before

  1. 2.16km N of Guadalupe Victoria, B.C., MX · 17744 days ago · 10 km deep · 83 km away
  2. 2.36km N of Guadalupe Victoria, B.C., MX · 17744 days ago · 10 km deep · 84 km away
  3. 1.627km SSW of Ocotillo Wells, CA · 17744 days ago · 6 km deep · 59 km away
  4. 1.725km ENE of Coachella, CA · 17745 days ago · 7 km deep · 98 km away
  5. 2.126km ENE of Coachella, CA · 17745 days ago · 4 km deep · 98 km away
  6. 1.726km ENE of Coachella, CA · 17745 days ago · 6 km deep · 98 km away
  7. 2.214km WNW of Imperial, CA · 17745 days ago · 11 km deep · 10 km away
  8. 1.926km ENE of Coachella, CA · 17745 days ago · 7 km deep · 98 km away
  9. 2.07km NE of Westmorland, CA · 17745 days ago · 11 km deep · 13 km away
  10. 2.04km WNW of Niland, CA · 17746 days ago · 1 km deep · 33 km away
  11. 2.32km NW of Guadalupe Victoria, B.C., MX · 17746 days ago · 10 km deep · 86 km away
  12. 1.511km NE of Ocotillo Wells, CA · 17746 days ago · 10 km deep · 48 km away
  13. 1.710km WSW of Niland, CA · 17746 days ago · 1 km deep · 26 km away
  14. 1.86km SE of Bombay Beach, CA · 17746 days ago · 5 km deep · 40 km away
  15. 1.79km E of Imperial, CA · 17747 days ago · 10 km deep · 16 km away
  16. 2.123km SSW of La Quinta, CA · 17747 days ago · 9 km deep · 93 km away
  17. 2.514km NE of Coachella, CA · 17748 days ago · 0 km deep · 98 km away
  18. 2.28km W of Calipatria, CA · 17749 days ago · 10 km deep · 19 km away
  19. 2.66km WSW of Brawley, CA · 17749 days ago · 10 km deep · 1 km away
  20. 1.87km W of Holtville, CA · 17750 days ago · 9 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3337722. Read Fri, Oct 2, 2026, 6:46 PM UTC.