California earthquakes

M1.7 earthquake 8km NE of Calexico, CA

A magnitude 1.7 earthquake struck 8km NE of Calexico, CA on Sun, Dec 4, 1977, 1:51 PM PST (21:51 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.1 5km ENE of Puebla, B.C., MX. This one was a foreshock.

Calexico forecastMore in California

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.7 (mh), micro
Local time
UTC
1977-12-04 21:51:27 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
32.728° N, 115.430° 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
164°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 181 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.15km ENE of Puebla, B.C., MX · 17817 days ago · 10 km deep · 20 km away
  2. 2.14km NE of Puebla, B.C., MX · 17817 days ago · 10 km deep · 19 km away
  3. 2.05km ENE of Puebla, B.C., MX · 17817 days ago · 10 km deep · 19 km away
  4. 2.67km NNE of Puebla, B.C., MX · 17817 days ago · 10 km deep · 15 km away
  5. 1.77km W of Holtville, CA · 17817 days ago · 10 km deep · 9 km away
  6. 3.44km N of Puebla, B.C., MX · 17817 days ago · 10 km deep · 15 km away
  7. 1.65km NE of Puebla, B.C., MX · 17817 days ago · 10 km deep · 17 km away
  8. 1.710km N of Puebla, B.C., MX · 17817 days ago · 10 km deep · 12 km away
  9. 1.69km N of Puebla, B.C., MX · 17817 days ago · 10 km deep · 12 km away
  10. 1.96km NE of Puebla, B.C., MX · 17817 days ago · 10 km deep · 17 km away
  11. 1.56km NE of Puebla, B.C., MX · 17817 days ago · 12 km deep · 18 km away
  12. 1.56km NNE of Puebla, B.C., MX · 17817 days ago · 10 km deep · 15 km away
  13. 1.713km NNE of Puebla, B.C., MX · 17817 days ago · 10 km deep · 14 km away
  14. 1.85km NE of Puebla, B.C., MX · 17817 days ago · 10 km deep · 17 km away
  15. 1.65km ENE of Imperial, CA · 17817 days ago · 9 km deep · 17 km away
  16. 2.39km ENE of Puebla, B.C., MX · 17816 days ago · 10 km deep · 21 km away
  17. 1.75km NNE of Puebla, B.C., MX · 17816 days ago · 10 km deep · 16 km away
  18. 1.98km ENE of Imperial, CA · 17816 days ago · 10 km deep · 16 km away
  19. 1.79km ENE of El Centro, CA · 17816 days ago · 10 km deep · 12 km away
  20. 1.68km W of Holtville, CA · 17816 days ago · 8 km deep · 11 km away
  21. 1.710km SW of Westmorland, CA · 17815 days ago · 12 km deep · 38 km away
  22. 1.726km SSW of Ocotillo, CA · 17815 days ago · 6 km deep · 66 km away
  23. 2.36km E of North Shore, CA · 17815 days ago · 6 km deep · 99 km away
  24. 2.08km SSW of Holtville, CA · 17814 days ago · 10 km deep · 3 km away
  25. 2.517km WSW of Westmorland, CA · 17812 days ago · 5 km deep · 41 km away
  26. 1.86km SSE of Brawley, CA · 17812 days ago · 10 km deep · 24 km away
  27. 2.513km WSW of Niland, CA · 17811 days ago · 0 km deep · 54 km away
  28. 1.723km WSW of Westmorland, CA · 17811 days ago · 9 km deep · 47 km away
  29. 1.89km N of Westmorland, CA · 17811 days ago · 9 km deep · 47 km away
  30. 1.610km S of Mexicali, B.C., MX · 17810 days ago · 6 km deep · 19 km away
  31. 1.526km NW of Ocotillo, CA · 17808 days ago · 6 km deep · 75 km away
  32. 1.626km NW of Ocotillo, CA · 17808 days ago · 8 km deep · 75 km away
  33. 1.711km SSE of Bombay Beach, CA · 17808 days ago · 9 km deep · 64 km away
  34. 2.211km SSE of Bombay Beach, CA · 17808 days ago · 5 km deep · 64 km away
  35. 1.811km SSE of Bombay Beach, CA · 17808 days ago · 10 km deep · 64 km away
  36. 2.111km SSE of Bombay Beach, CA · 17807 days ago · 10 km deep · 64 km away
  37. 2.710km E of Puebla, B.C., MX · 17807 days ago · 10 km deep · 25 km away
  38. 1.74km SW of Imperial, CA · 17807 days ago · 17 km deep · 19 km away
  39. 1.528km SSW of Ocotillo Wells, CA · 17806 days ago · 6 km deep · 79 km away
  40. 1.728km SSW of Ocotillo Wells, CA · 17806 days ago · 13 km deep · 79 km away
  41. 2.012km N of Delta, B.C., MX · 17806 days ago · 10 km deep · 36 km away
  42. 2.54km SW of Imperial, CA · 17806 days ago · 10 km deep · 18 km away
  43. 1.63km SSE of Brawley, CA · 17805 days ago · 10 km deep · 26 km away
  44. 3.05km SW of Imperial, CA · 17805 days ago · 10 km deep · 19 km away
  45. 1.76km SW of Imperial, CA · 17805 days ago · 10 km deep · 20 km away
  46. 1.66km ESE of Imperial, CA · 17805 days ago · 3 km deep · 14 km away
  47. 1.74km SW of Imperial, CA · 17805 days ago · 10 km deep · 19 km away
  48. 2.722km SSW of Ocotillo Wells, CA · 17805 days ago · 6 km deep · 82 km away
  49. 2.328km ENE of Pine Valley, CA · 17805 days ago · 10 km deep · 79 km away
  50. 1.58km WNW of Calipatria, CA · 17803 days ago · 7 km deep · 50 km away
  51. 1.68km W of Holtville, CA · 17802 days ago · 14 km deep · 11 km away
  52. 1.920km ESE of Julian, CA · 17801 days ago · 6 km deep · 96 km away
  53. 1.74km ENE of Guadalupe Victoria, B.C., MX · 17801 days ago · 6 km deep · 59 km away
  54. 2.26km NNE of Westmorland, CA · 17801 days ago · 13 km deep · 43 km away
  55. 1.64km NW of El Centro, CA · 17801 days ago · 14 km deep · 18 km away
  56. 1.79km E of Puebla, B.C., MX · 17801 days ago · 6 km deep · 23 km away
  57. 2.09km E of Puebla, B.C., MX · 17801 days ago · 10 km deep · 24 km away
  58. 1.78km SSW of Holtville, CA · 17799 days ago · 10 km deep · 3 km away
  59. 1.720km SSW of Ocotillo Wells, CA · 17799 days ago · 14 km deep · 81 km away
  60. 2.95km SW of Salton City, CA · 17799 days ago · 10 km deep · 79 km away

The first 60 of 181.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3336668. Read Tue, Sep 22, 2026, 11:15 AM UTC.