California earthquakes

M1.8 earthquake 1km E of Colton, CA

A magnitude 1.8 earthquake struck 1km E of Colton, CA on Sat, Jul 25, 1987, 8:54 AM PDT (15:54 UTC), 17 km (10 mi) below the surface.

A larger quake followed: M3.8 5km E of Wrightwood, CA. This one was a foreshock.

Colton 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
1.8 (mc), micro
Local time
UTC
1987-07-25 15:54:43 UTC
Depth
16.7 km (10.4 mi), shallow
Epicenter
34.074° N, 117.301° 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.

Depth from
From location
Station coverage gap
110°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 167 in the 60 days after this one and 135 in the 30 days before it.

After

  1. 2.56km W of Mira Loma, CA · 14311 days ago · 5 km deep · 28 km away
  2. 1.511km W of Morongo Valley, CA · 14311 days ago · 10 km deep · 56 km away
  3. 2.415km SSE of Anza, CA · 14310 days ago · 9 km deep · 95 km away
  4. 2.04km SSW of Idyllwild, CA · 14310 days ago · 20 km deep · 66 km away
  5. 2.03km WSW of Palomar Observatory, CA · 14310 days ago · 19 km deep · 89 km away
  6. 2.111km N of Cabazon, CA · 14310 days ago · 10 km deep · 49 km away
  7. 1.711km NW of Garnet, CA · 14309 days ago · 3 km deep · 62 km away
  8. 2.04km E of Banning, CA · 14309 days ago · 6 km deep · 46 km away
  9. 2.212km SW of Morongo Valley, CA · 14309 days ago · 17 km deep · 60 km away
  10. 2.610km SSE of Big Bear City, CA · 14309 days ago · 12 km deep · 47 km away
  11. 2.38km SSE of Redlands, CA · 14308 days ago · 14 km deep · 17 km away
  12. 2.018km ESE of Anza, CA · 14308 days ago · 15 km deep · 99 km away
  13. 2.018km ESE of Anza, CA · 14308 days ago · 15 km deep · 99 km away
  14. 1.918km ESE of Anza, CA · 14308 days ago · 15 km deep · 99 km away
  15. 2.36km S of Morongo Valley, CA · 14308 days ago · 10 km deep · 67 km away
  16. 1.88km NNW of Cabazon, CA · 14307 days ago · 19 km deep · 45 km away
  17. 2.14km N of Aguanga, CA · 14307 days ago · 7 km deep · 78 km away
  18. 1.84km NE of Fontana, CA · 14307 days ago · 8 km deep · 13 km away
  19. 2.23km ENE of Banning, CA · 14306 days ago · 5 km deep · 45 km away
  20. 2.23km WNW of Mead Valley, CA · 14306 days ago · 16 km deep · 26 km away
  21. 1.86km N of Desert Hot Springs, CA · 14306 days ago · 11 km deep · 74 km away
  22. 1.55km NNE of Fontana, CA · 14306 days ago · 11 km deep · 15 km away
  23. 2.04km S of Idyllwild, CA · 14306 days ago · 17 km deep · 67 km away
  24. 1.93km SSW of Glendale, CA · 14306 days ago · 3 km deep · 89 km away
  25. 2.32km W of La Habra, CA · 14304 days ago · 5 km deep · 63 km away
  26. 2.27km SSE of Redlands, CA · 14304 days ago · 17 km deep · 15 km away
  27. 2.41km SSW of Loma Linda, CA · 14304 days ago · 16 km deep · 5 km away
  28. 2.07km SW of Morongo Valley, CA · 14303 days ago · 9 km deep · 63 km away
  29. 2.24km NNE of Fontana, CA · 14303 days ago · 3 km deep · 14 km away
  30. 1.913km NNW of Joshua Tree, CA · 14303 days ago · 8 km deep · 88 km away
  31. 1.913km NNW of Joshua Tree, CA · 14303 days ago · 5 km deep · 87 km away
  32. 1.913km NNW of Joshua Tree, CA · 14303 days ago · 7 km deep · 88 km away
  33. 2.013km NNW of Joshua Tree, CA · 14303 days ago · 8 km deep · 88 km away
  34. 2.04km ENE of Banning, CA · 14303 days ago · 5 km deep · 45 km away
  35. 2.211km WNW of Garnet, CA · 14302 days ago · 11 km deep · 62 km away
  36. 2.15km SW of Signal Hill, CA · 14302 days ago · 12 km deep · 91 km away
  37. 2.913km NNW of Joshua Tree, CA · 14302 days ago · 9 km deep · 88 km away
  38. 2.613km NNW of Joshua Tree, CA · 14302 days ago · 9 km deep · 88 km away
  39. 2.111km N of Cabazon, CA · 14301 days ago · 16 km deep · 50 km away
  40. 1.99km WSW of Morongo Valley, CA · 14301 days ago · 8 km deep · 59 km away
  41. 2.26km WSW of Morongo Valley, CA · 14301 days ago · 12 km deep · 61 km away
  42. 2.07km NE of Running Springs, CA · 14301 days ago · 8 km deep · 30 km away
  43. 1.92km E of Rialto, CA · 14300 days ago · 6 km deep · 5 km away
  44. 1.810km N of Big Bear Lake, CA · 14300 days ago · 5 km deep · 45 km away
  45. 1.710km N of Big Bear Lake, CA · 14300 days ago · 6 km deep · 45 km away
  46. 1.810km ENE of Villa Park, CA · 14300 days ago · 4 km deep · 46 km away
  47. 1.88km SE of Valle Vista, CA · 14299 days ago · 12 km deep · 61 km away
  48. 2.05km NNW of Garnet, CA · 14298 days ago · 4 km deep · 69 km away
  49. 2.34km SE of Loma Linda, CA · 14298 days ago · 18 km deep · 8 km away
  50. 1.99km SSE of Banning, CA · 14298 days ago · 18 km deep · 49 km away
  51. 1.914km SE of Anza, CA · 14297 days ago · 11 km deep · 95 km away
  52. 2.16km NNW of Garnet, CA · 14297 days ago · 7 km deep · 69 km away
  53. 2.215km S of Joshua Tree, CA · 14295 days ago · 2 km deep · 93 km away
  54. 2.13km ESE of Cabazon, CA · 14295 days ago · 18 km deep · 53 km away
  55. 2.13km S of Idyllwild, CA · 14295 days ago · 17 km deep · 67 km away
  56. 2.210km SW of Morongo Valley, CA · 14295 days ago · 6 km deep · 61 km away
  57. 1.914km SE of Anza, CA · 14294 days ago · 12 km deep · 95 km away
  58. 1.53km N of Fontana, CA · 14294 days ago · 8 km deep · 15 km away
  59. 2.410km SW of Anza, CA · 14293 days ago · 11 km deep · 82 km away
  60. 2.38km ENE of Villa Park, CA · 14293 days ago · 2 km deep · 47 km away

The first 60 of 167.

Before

  1. 1.96km NNW of Garnet, CA · 14312 days ago · 5 km deep · 69 km away
  2. 1.97km NNW of Garnet, CA · 14312 days ago · 5 km deep · 67 km away
  3. 1.910km N of Anza, CA · 14313 days ago · 16 km deep · 75 km away
  4. 2.14km NE of Fontana, CA · 14313 days ago · 6 km deep · 13 km away
  5. 2.010km WSW of Anza, CA · 14313 days ago · 3 km deep · 78 km away
  6. 2.09km SW of Morongo Valley, CA · 14314 days ago · 9 km deep · 60 km away
  7. 2.18km NW of Garnet, CA · 14314 days ago · 11 km deep · 65 km away
  8. 2.915km SE of Anza, CA · 14314 days ago · 10 km deep · 97 km away
  9. 1.86km SSW of Devore, CA · 14314 days ago · 6 km deep · 16 km away
  10. 2.45km W of Desert Hot Springs, CA · 14314 days ago · 7 km deep · 70 km away
  11. 2.74km ENE of Yorba Linda, CA · 14315 days ago · 1 km deep · 48 km away
  12. 1.92km N of Loma Linda, CA · 14315 days ago · 15 km deep · 4 km away
  13. 2.410km N of Big Bear Lake, CA · 14315 days ago · 0 km deep · 45 km away
  14. 2.25km W of Desert Hot Springs, CA · 14316 days ago · 5 km deep · 69 km away
  15. 2.06km W of Desert Hot Springs, CA · 14317 days ago · 6 km deep · 69 km away
  16. 2.06km NNW of Garnet, CA · 14317 days ago · 3 km deep · 68 km away
  17. 2.113km SE of Anza, CA · 14317 days ago · 12 km deep · 95 km away
  18. 2.29km W of Anza, CA · 14317 days ago · 2 km deep · 76 km away
  19. 1.99km SW of Morongo Valley, CA · 14317 days ago · 6 km deep · 62 km away
  20. 1.97km SSW of Pearblossum, CA · 14318 days ago · 7 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci726821. Read Tue, Sep 29, 2026, 9:04 PM UTC.