California earthquakes

M1.7 earthquake 8km E of Heber, CA

A magnitude 1.7 earthquake struck 8km E of Heber, CA on Wed, Mar 21, 1979, 1:42 AM PST (09:42 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.5 23km WSW of Westmorland, CA. This one was a foreshock.

Heber 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
1979-03-21 09:42:37 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
32.743° N, 115.445° 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 1.5 km horizontally, 31.6 km in depth
Depth from
Operator assigned
Station coverage gap
143°
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: 155 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 1.67km ESE of Ocotillo, CA · 17362 days ago · 4 km deep · 46 km away
  2. 2.421km ENE of Pine Valley, CA · 17361 days ago · 13 km deep · 85 km away
  3. 2.860km SW of Alberto Oviedo Mota, B.C., MX · 17361 days ago · 6 km deep · 96 km away
  4. 2.25km ENE of Imperial, CA · 17358 days ago · 10 km deep · 14 km away
  5. 2.024km NE of Pine Valley, CA · 17358 days ago · 10 km deep · 91 km away
  6. 1.722km SSE of Ocotillo Wells, CA · 17357 days ago · 6 km deep · 61 km away
  7. 1.712km NE of Ocotillo Wells, CA · 17357 days ago · 6 km deep · 77 km away
  8. 2.320km SSW of Ocotillo Wells, CA · 17356 days ago · 6 km deep · 80 km away
  9. 1.96km E of Westmorland, CA · 17355 days ago · 10 km deep · 35 km away
  10. 2.05km ENE of Westmorland, CA · 17355 days ago · 10 km deep · 36 km away
  11. 2.06km E of Westmorland, CA · 17354 days ago · 10 km deep · 35 km away
  12. 1.66km E of Westmorland, CA · 17353 days ago · 10 km deep · 34 km away
  13. 1.96km E of Westmorland, CA · 17353 days ago · 10 km deep · 35 km away
  14. 1.67km NNW of Brawley, CA · 17353 days ago · 10 km deep · 34 km away
  15. 2.16km E of Westmorland, CA · 17353 days ago · 10 km deep · 34 km away
  16. 2.26km E of Westmorland, CA · 17353 days ago · 10 km deep · 35 km away
  17. 1.56km E of Ocotillo Wells, CA · 17352 days ago · 20 km deep · 73 km away
  18. 1.64km N of Brawley, CA · 17351 days ago · 11 km deep · 31 km away
  19. 1.610km WSW of Puebla, B.C., MX · 17351 days ago · 4 km deep · 23 km away
  20. 2.116km SW of Puebla, B.C., MX · 17351 days ago · 10 km deep · 32 km away
  21. 2.312km SSW of Puebla, B.C., MX · 17351 days ago · 10 km deep · 31 km away
  22. 1.513km SSE of Bombay Beach, CA · 17348 days ago · 3 km deep · 60 km away
  23. 1.911km SE of Bombay Beach, CA · 17348 days ago · 3 km deep · 63 km away
  24. 1.522km SW of Ocotillo Wells, CA · 17347 days ago · 6 km deep · 83 km away
  25. 1.88km ENE of Delta, B.C., MX · 17344 days ago · 6 km deep · 51 km away
  26. 1.87km SSE of Bombay Beach, CA · 17344 days ago · 5 km deep · 66 km away
  27. 3.02km E of Delta, B.C., MX · 17343 days ago · 10 km deep · 50 km away
  28. 2.04km SE of Delta, B.C., MX · 17343 days ago · 10 km deep · 52 km away
  29. 2.66km NNW of Guadalupe Victoria, B.C., MX · 17343 days ago · 10 km deep · 54 km away
  30. 1.84km NW of Guadalupe Victoria, B.C., MX · 17343 days ago · 10 km deep · 55 km away
  31. 2.45km ESE of Delta, B.C., MX · 17343 days ago · 10 km deep · 53 km away
  32. 1.84km SW of Guadalupe Victoria, B.C., MX · 17343 days ago · 10 km deep · 61 km away
  33. 2.06km SSE of Delta, B.C., MX · 17343 days ago · 10 km deep · 55 km away
  34. 2.36km WNW of Guadalupe Victoria, B.C., MX · 17343 days ago · 6 km deep · 55 km away
  35. 1.65km WSW of Holtville, CA · 17342 days ago · 10 km deep · 6 km away
  36. 1.511km ENE of Puebla, B.C., MX · 17342 days ago · 0 km deep · 26 km away
  37. 2.223km SW of Ocotillo Wells, CA · 17342 days ago · 4 km deep · 83 km away
  38. 1.59km E of Puebla, B.C., MX · 17339 days ago · 10 km deep · 27 km away
  39. 1.65km ENE of Westmorland, CA · 17339 days ago · 11 km deep · 36 km away
  40. 2.421km W of Westmorland, CA · 17338 days ago · 6 km deep · 48 km away
  41. 1.844km SSW of Progreso, B.C., MX · 17338 days ago · 6 km deep · 66 km away
  42. 1.85km SSE of Brawley, CA · 17338 days ago · 10 km deep · 22 km away
  43. 2.42km SW of Brawley, CA · 17338 days ago · 10 km deep · 27 km away
  44. 1.619km W of Westmorland, CA · 17338 days ago · 6 km deep · 46 km away
  45. 1.913km E of Puebla, B.C., MX · 17337 days ago · 10 km deep · 31 km away
  46. 2.413km ESE of Puebla, B.C., MX · 17337 days ago · 10 km deep · 32 km away
  47. 1.810km E of Puebla, B.C., MX · 17337 days ago · 6 km deep · 28 km away
  48. 1.814km E of Puebla, B.C., MX · 17337 days ago · 6 km deep · 29 km away
  49. 2.413km E of Puebla, B.C., MX · 17337 days ago · 6 km deep · 29 km away
  50. 1.912km E of Puebla, B.C., MX · 17337 days ago · 10 km deep · 28 km away
  51. 1.55km ENE of Westmorland, CA · 17336 days ago · 2 km deep · 36 km away
  52. 1.811km E of Puebla, B.C., MX · 17336 days ago · 10 km deep · 28 km away
  53. 2.226km ENE of Pine Valley, CA · 17336 days ago · 11 km deep · 79 km away
  54. 1.716km ENE of Borrego Springs, CA · 17335 days ago · 12 km deep · 98 km away
  55. 1.68km WNW of Holtville, CA · 17335 days ago · 4 km deep · 12 km away
  56. 2.27km SW of Holtville, CA · 17335 days ago · 10 km deep · 3 km away
  57. 2.38km SW of Holtville, CA · 17334 days ago · 10 km deep · 3 km away
  58. 1.67km WSW of Holtville, CA · 17334 days ago · 10 km deep · 5 km away
  59. 2.58km SW of Holtville, CA · 17334 days ago · 10 km deep · 3 km away
  60. 2.77km SW of Holtville, CA · 17334 days ago · 10 km deep · 3 km away

The first 60 of 155.

Before

  1. 2.714km WNW of Alberto Oviedo Mota, B.C., MX · 17363 days ago · 6 km deep · 54 km away
  2. 1.710km SE of Bombay Beach, CA · 17364 days ago · 5 km deep · 63 km away
  3. 1.910km NW of Ocotillo Wells, CA · 17366 days ago · 7 km deep · 88 km away
  4. 2.710km SE of Bombay Beach, CA · 17366 days ago · 4 km deep · 63 km away
  5. 1.614km SW of Ocotillo Wells, CA · 17366 days ago · 11 km deep · 82 km away
  6. 2.78km ENE of El Centro, CA · 17367 days ago · 10 km deep · 8 km away
  7. 2.18km W of Holtville, CA · 17368 days ago · 10 km deep · 9 km away
  8. 1.57km ENE of El Centro, CA · 17368 days ago · 5 km deep · 10 km away
  9. 2.216km SSW of Ocotillo Wells, CA · 17369 days ago · 12 km deep · 76 km away
  10. 1.526km SSW of Ocotillo Wells, CA · 17369 days ago · 6 km deep · 77 km away
  11. 3.317km WNW of Alberto Oviedo Mota, B.C., MX · 17370 days ago · 6 km deep · 54 km away
  12. 2.18km NNE of Delta, B.C., MX · 17370 days ago · 6 km deep · 44 km away
  13. 2.14km NW of Delta, B.C., MX · 17370 days ago · 6 km deep · 46 km away
  14. 1.78km W of Holtville, CA · 17373 days ago · 6 km deep · 9 km away
  15. 1.826km SSW of Ocotillo Wells, CA · 17373 days ago · 6 km deep · 77 km away
  16. 2.530km W of Alberto Oviedo Mota, B.C., MX · 17374 days ago · 6 km deep · 62 km away
  17. 1.84km ENE of Ocotillo Wells, CA · 17374 days ago · 6 km deep · 77 km away
  18. 1.86km ENE of Westmorland, CA · 17374 days ago · 10 km deep · 37 km away
  19. 2.13km NNE of Heber, CA · 17375 days ago · 10 km deep · 7 km away
  20. 1.88km NW of Holtville, CA · 17375 days ago · 5 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3347439. Read Fri, Oct 2, 2026, 9:25 PM UTC.