California earthquakes

M1.5 earthquake 8km SSW of Holtville, CA

A magnitude 1.5 earthquake struck 8km SSW of Holtville, CA on Thu, Feb 23, 1978, 10:37 PM PST (06:37 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.8 9km WSW of Estacion Coahuila, B.C., MX. This one was a foreshock.

Holtville 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
1.5 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-02-24 06:37:00 UTC
Depth
9.5 km (5.9 mi), shallow
Epicenter
32.750° N, 115.425° 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 0.9 km horizontally, 6.8 km in depth
Depth from
From location
Station coverage gap
138°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 197 in the 60 days after this one and 118 in the 30 days before it.

After

  1. 1.98km SSW of Holtville, CA · 17751 days ago · 10 km deep · 0 km away
  2. 1.56km SSW of Holtville, CA · 17751 days ago · 10 km deep · 2 km away
  3. 1.69km SSW of Holtville, CA · 17751 days ago · 10 km deep · 1 km away
  4. 2.09km E of Heber, CA · 17751 days ago · 10 km deep · 2 km away
  5. 1.67km SW of Holtville, CA · 17751 days ago · 6 km deep · 1 km away
  6. 2.011km WSW of Puebla, B.C., MX · 17751 days ago · 10 km deep · 27 km away
  7. 2.121km W of Alberto Oviedo Mota, B.C., MX · 17750 days ago · 10 km deep · 56 km away
  8. 1.88km ENE of El Centro, CA · 17749 days ago · 4 km deep · 10 km away
  9. 1.87km W of Holtville, CA · 17749 days ago · 9 km deep · 8 km away
  10. 2.66km WSW of Brawley, CA · 17748 days ago · 10 km deep · 28 km away
  11. 2.28km W of Calipatria, CA · 17748 days ago · 10 km deep · 45 km away
  12. 1.79km E of Imperial, CA · 17746 days ago · 10 km deep · 13 km away
  13. 1.86km SE of Bombay Beach, CA · 17745 days ago · 5 km deep · 67 km away
  14. 1.710km WSW of Niland, CA · 17745 days ago · 1 km deep · 53 km away
  15. 1.511km NE of Ocotillo Wells, CA · 17745 days ago · 10 km deep · 76 km away
  16. 2.32km NW of Guadalupe Victoria, B.C., MX · 17745 days ago · 10 km deep · 57 km away
  17. 2.04km WNW of Niland, CA · 17745 days ago · 1 km deep · 57 km away
  18. 2.07km NE of Westmorland, CA · 17744 days ago · 11 km deep · 38 km away
  19. 2.214km WNW of Imperial, CA · 17744 days ago · 11 km deep · 31 km away
  20. 1.627km SSW of Ocotillo Wells, CA · 17743 days ago · 6 km deep · 78 km away
  21. 2.36km N of Guadalupe Victoria, B.C., MX · 17742 days ago · 10 km deep · 55 km away
  22. 2.16km N of Guadalupe Victoria, B.C., MX · 17742 days ago · 10 km deep · 54 km away
  23. 1.78km WSW of Brawley, CA · 17741 days ago · 9 km deep · 29 km away
  24. 1.912km SSE of Bombay Beach, CA · 17741 days ago · 5 km deep · 60 km away
  25. 1.62km NW of Brawley, CA · 17741 days ago · 10 km deep · 29 km away
  26. 2.112km SSW of Westmorland, CA · 17741 days ago · 10 km deep · 33 km away
  27. 2.51km NW of Guadalupe Victoria, B.C., MX · 17740 days ago · 6 km deep · 59 km away
  28. 2.50km E of Guadalupe Victoria, B.C., MX · 17740 days ago · 6 km deep · 60 km away
  29. 2.27km NNE of Guadalupe Victoria, B.C., MX · 17740 days ago · 10 km deep · 56 km away
  30. 1.89km N of Guadalupe Victoria, B.C., MX · 17740 days ago · 6 km deep · 53 km away
  31. 1.97km E of Imperial, CA · 17739 days ago · 5 km deep · 13 km away
  32. 1.88km E of Imperial, CA · 17738 days ago · 5 km deep · 13 km away
  33. 1.88km SW of Holtville, CA · 17738 days ago · 10 km deep · 2 km away
  34. 2.68km WSW of Holtville, CA · 17738 days ago · 10 km deep · 4 km away
  35. 2.08km WSW of Holtville, CA · 17738 days ago · 10 km deep · 4 km away
  36. 2.38km SW of Holtville, CA · 17738 days ago · 10 km deep · 2 km away
  37. 2.07km SW of Holtville, CA · 17738 days ago · 10 km deep · 3 km away
  38. 1.97km WSW of Holtville, CA · 17738 days ago · 9 km deep · 4 km away
  39. 2.37km SW of Holtville, CA · 17738 days ago · 10 km deep · 3 km away
  40. 2.18km SW of Holtville, CA · 17738 days ago · 10 km deep · 3 km away
  41. 2.27km SW of Holtville, CA · 17738 days ago · 10 km deep · 3 km away
  42. 1.98km SW of Holtville, CA · 17738 days ago · 10 km deep · 3 km away
  43. 2.314km SSW of Puebla, B.C., MX · 17738 days ago · 10 km deep · 33 km away
  44. 2.05km SSW of Puebla, B.C., MX · 17738 days ago · 6 km deep · 25 km away
  45. 2.35km WSW of Puebla, B.C., MX · 17738 days ago · 10 km deep · 22 km away
  46. 2.82km NNW of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 58 km away
  47. 2.52km SSE of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 61 km away
  48. 1.91km W of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 59 km away
  49. 2.26km N of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 54 km away
  50. 2.25km NNW of Brawley, CA · 17737 days ago · 6 km deep · 33 km away
  51. 2.32km SSE of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 61 km away
  52. 3.23km NW of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 57 km away
  53. 2.08km ENE of Delta, B.C., MX · 17737 days ago · 6 km deep · 51 km away
  54. 2.46km NNW of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 54 km away
  55. 1.910km N of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 52 km away
  56. 2.07km NNE of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 55 km away
  57. 1.85km NW of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 55 km away
  58. 2.23km N of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 57 km away
  59. 2.310km NNE of Guadalupe Victoria, B.C., MX · 17737 days ago · 6 km deep · 54 km away
  60. 1.814km ENE of Delta, B.C., MX · 17737 days ago · 6 km deep · 50 km away

The first 60 of 197.

Before

  1. 1.89km SSW of Holtville, CA · 17751 days ago · 10 km deep · 1 km away
  2. 1.86km ENE of Westmorland, CA · 17752 days ago · 9 km deep · 37 km away
  3. 1.512km WNW of Calipatria, CA · 17752 days ago · 7 km deep · 49 km away
  4. 3.44km SW of Imperial, CA · 17752 days ago · 10 km deep · 18 km away
  5. 1.78km SW of Holtville, CA · 17752 days ago · 10 km deep · 1 km away
  6. 1.58km SW of Holtville, CA · 17752 days ago · 10 km deep · 1 km away
  7. 1.715km SE of Salton City, CA · 17753 days ago · 10 km deep · 64 km away
  8. 2.06km NE of Westmorland, CA · 17753 days ago · 10 km deep · 39 km away
  9. 1.74km ESE of Delta, B.C., MX · 17753 days ago · 10 km deep · 52 km away
  10. 2.619km W of Alberto Oviedo Mota, B.C., MX · 17754 days ago · 6 km deep · 59 km away
  11. 1.52km WNW of Brawley, CA · 17754 days ago · 10 km deep · 29 km away
  12. 1.65km NNE of Westmorland, CA · 17754 days ago · 10 km deep · 40 km away
  13. 2.05km NNE of Westmorland, CA · 17754 days ago · 10 km deep · 39 km away
  14. 1.76km SW of Holtville, CA · 17756 days ago · 10 km deep · 3 km away
  15. 1.56km ENE of Westmorland, CA · 17756 days ago · 9 km deep · 37 km away
  16. 2.59km WNW of Delta, B.C., MX · 17757 days ago · 10 km deep · 44 km away
  17. 2.110km NE of Ocotillo Wells, CA · 17757 days ago · 15 km deep · 77 km away
  18. 1.87km WSW of Brawley, CA · 17757 days ago · 8 km deep · 28 km away
  19. 1.77km WSW of Brawley, CA · 17757 days ago · 8 km deep · 28 km away
  20. 1.611km E of Borrego Springs, CA · 17760 days ago · 5 km deep · 95 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci10079310. Read Thu, Oct 1, 2026, 2:54 PM UTC.