California earthquakes

M1.6 earthquake 5km E of Heber, CA

A magnitude 1.6 earthquake struck 5km E of Heber, CA on Mon, Mar 2, 1981, 10:59 PM PST (06:59 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.8 The 1981 Westmorland, California Earthquake. 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
1.6 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1981-03-03 06:59:36 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
32.729° N, 115.478° 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 10.8 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.25
Depth from
Operator assigned
Station coverage gap
265°, poorly surrounded by stations
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 56 in the 30 days before it.

After

  1. 2.35km S of Brawley, CA · 16648 days ago · 10 km deep · 23 km away
  2. 2.415km WSW of Alberto Oviedo Mota, B.C., MX · 16648 days ago · 5 km deep · 66 km away
  3. 2.215km WNW of Ocotillo, CA · 16647 days ago · 14 km deep · 63 km away
  4. 1.77km SW of Salton City, CA · 16645 days ago · 5 km deep · 76 km away
  5. 1.65km WSW of Holtville, CA · 16644 days ago · 6 km deep · 9 km away
  6. 2.05km NE of Westmorland, CA · 16643 days ago · 10 km deep · 39 km away
  7. 1.84km WNW of Brawley, CA · 16643 days ago · 5 km deep · 31 km away
  8. 2.25km NNE of Westmorland, CA · 16643 days ago · 10 km deep · 40 km away
  9. 3.05km NNE of Westmorland, CA · 16643 days ago · 10 km deep · 40 km away
  10. 2.54km NE of Westmorland, CA · 16643 days ago · 8 km deep · 39 km away
  11. 3.55km NNE of Westmorland, CA · 16643 days ago · 10 km deep · 40 km away
  12. 2.15km NE of Westmorland, CA · 16643 days ago · 10 km deep · 39 km away
  13. 2.012km NNW of Delta, B.C., MX · 16643 days ago · 5 km deep · 38 km away
  14. 1.78km N of Westmorland, CA · 16642 days ago · 8 km deep · 44 km away
  15. 2.08km SW of Holtville, CA · 16641 days ago · 10 km deep · 6 km away
  16. 1.818km NNE of Pine Valley, CA · 16641 days ago · 3 km deep · 93 km away
  17. 2.44km SSW of Niland, CA · 16639 days ago · 9 km deep · 53 km away
  18. 2.33km SSW of Niland, CA · 16639 days ago · 4 km deep · 54 km away
  19. 1.93km SSW of Niland, CA · 16639 days ago · 3 km deep · 55 km away
  20. 1.715km E of Niland, CA · 16639 days ago · 4 km deep · 59 km away
  21. 1.72km SW of Niland, CA · 16639 days ago · 6 km deep · 55 km away
  22. 2.04km SW of Niland, CA · 16639 days ago · 0 km deep · 55 km away
  23. 3.33km WSW of Niland, CA · 16639 days ago · 6 km deep · 56 km away
  24. 1.84km SW of Niland, CA · 16639 days ago · 5 km deep · 54 km away
  25. 2.43km SW of Niland, CA · 16639 days ago · 9 km deep · 56 km away
  26. 1.79km WNW of Calipatria, CA · 16638 days ago · 6 km deep · 50 km away
  27. 1.55km SSW of Niland, CA · 16638 days ago · 1 km deep · 53 km away
  28. 1.54km ENE of Westmorland, CA · 16637 days ago · 6 km deep · 38 km away
  29. 2.155km SSW of Progreso, B.C., MX · 16637 days ago · 6 km deep · 75 km away
  30. 2.053km SSW of Progreso, B.C., MX · 16637 days ago · 6 km deep · 72 km away
  31. 1.67km NE of Imperial, CA · 16637 days ago · 10 km deep · 19 km away
  32. 2.011km SW of Salton City, CA · 16636 days ago · 6 km deep · 76 km away
  33. 2.79km S of San Luis Rio Colorado, Son., MX · 16635 days ago · 6 km deep · 75 km away
  34. 2.63km SW of Fortuna Foothills, AZ · 16635 days ago · 6 km deep · 98 km away
  35. 3.14 km SW of Rancho Mesa Verde, Arizona · 16635 days ago · 5 km deep · 77 km away
  36. 2.227km WSW of Westmorland, CA · 16633 days ago · 7 km deep · 48 km away
  37. 1.626km WSW of Westmorland, CA · 16633 days ago · 9 km deep · 47 km away
  38. 1.817km NNW of Ocotillo, CA · 16633 days ago · 2 km deep · 59 km away
  39. 1.89km WNW of Calipatria, CA · 16633 days ago · 12 km deep · 48 km away
  40. 2.04km ENE of Delta, B.C., MX · 16630 days ago · 6 km deep · 50 km away
  41. 1.88km W of Imperial, CA · 16629 days ago · 10 km deep · 21 km away
  42. 2.138km W of Alberto Oviedo Mota, B.C., MX · 16629 days ago · 5 km deep · 62 km away
  43. 1.58km SSW of Holtville, CA · 16628 days ago · 10 km deep · 7 km away
  44. 1.511km NNE of Delta, B.C., MX · 16628 days ago · 6 km deep · 43 km away
  45. 2.012km NNE of Delta, B.C., MX · 16628 days ago · 11 km deep · 42 km away
  46. 1.916km ENE of Borrego Springs, CA · 16628 days ago · 5 km deep · 94 km away
  47. 2.014km ENE of Borrego Springs, CA · 16628 days ago · 6 km deep · 96 km away
  48. 2.530km W of Alberto Oviedo Mota, B.C., MX · 16625 days ago · 0 km deep · 60 km away
  49. 1.713km ENE of Borrego Springs, CA · 16624 days ago · 7 km deep · 97 km away
  50. 2.47km SW of Holtville, CA · 16623 days ago · 16 km deep · 6 km away
  51. 2.09km SE of Ocotillo, CA · 16621 days ago · 10 km deep · 44 km away
  52. 1.84km NE of Ocotillo Wells, CA · 16621 days ago · 5 km deep · 76 km away
  53. 2.339km W of Alberto Oviedo Mota, B.C., MX · 16621 days ago · 5 km deep · 64 km away
  54. 2.35km WSW of Holtville, CA · 16620 days ago · 5 km deep · 8 km away
  55. 1.65km SW of Holtville, CA · 16620 days ago · 5 km deep · 8 km away
  56. 2.310km NE of Mexicali, B.C., MX · 16620 days ago · 5 km deep · 7 km away
  57. 1.710km SSW of Ocotillo, CA · 16619 days ago · 9 km deep · 54 km away
  58. 1.713km W of Niland, CA · 16619 days ago · 5 km deep · 59 km away
  59. 2.34km WSW of Brawley, CA · 16619 days ago · 10 km deep · 28 km away
  60. 1.87km E of Puebla, B.C., MX · 16615 days ago · 10 km deep · 25 km away

The first 60 of 196.

Before

  1. 1.717km S of Borrego Springs, CA · 16648 days ago · 5 km deep · 93 km away
  2. 1.95km NE of Westmorland, CA · 16651 days ago · 10 km deep · 40 km away
  3. 2.05km NE of Westmorland, CA · 16651 days ago · 10 km deep · 40 km away
  4. 2.64km NNE of Westmorland, CA · 16651 days ago · 10 km deep · 40 km away
  5. 1.956km WSW of Alberto Oviedo Mota, B.C., MX · 16651 days ago · 6 km deep · 77 km away
  6. 2.68km N of Westmorland, CA · 16652 days ago · 14 km deep · 44 km away
  7. 2.322km W of Westmorland, CA · 16652 days ago · 11 km deep · 48 km away
  8. 2.156km ENE of Ensenada, B.C., MX · 16653 days ago · 5 km deep · 98 km away
  9. 2.210km NE of Mexicali, B.C., MX · 16653 days ago · 10 km deep · 7 km away
  10. 2.161km ENE of Ensenada, B.C., MX · 16653 days ago · 6 km deep · 94 km away
  11. 1.88km SSW of Holtville, CA · 16654 days ago · 10 km deep · 6 km away
  12. 2.29km SSW of Holtville, CA · 16654 days ago · 10 km deep · 5 km away
  13. 2.39km SSW of Holtville, CA · 16654 days ago · 10 km deep · 5 km away
  14. 2.08km SSW of Holtville, CA · 16654 days ago · 10 km deep · 5 km away
  15. 2.362km ENE of Ensenada, B.C., MX · 16654 days ago · 6 km deep · 88 km away
  16. 1.66km E of Westmorland, CA · 16654 days ago · 10 km deep · 35 km away
  17. 2.323km WSW of Westmorland, CA · 16654 days ago · 10 km deep · 43 km away
  18. 1.65km N of Progreso, B.C., MX · 16655 days ago · 6 km deep · 16 km away
  19. 2.356km E of Ensenada, B.C., MX · 16655 days ago · 6 km deep · 100 km away
  20. 2.864km ENE of Ensenada, B.C., MX · 16656 days ago · 6 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci531246. Read Thu, Oct 1, 2026, 11:32 AM UTC.