California earthquakes

M1.7 earthquake 11km W of Anza, CA

A magnitude 1.7 earthquake struck 11km W of Anza, CA on Wed, Feb 18, 1987, 6:26 AM PST (14:26 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.1 11km W of Anza, CA. This one was a foreshock.

Anza 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 (mc), micro
Local time
UTC
1987-02-18 14:26:34 UTC
Depth
3.8 km (2.4 mi), shallow
Epicenter
33.562° N, 116.796° 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
85°
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: 182 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.111km W of Anza, CA · 14429 days ago · 4 km deep · 1 km away
  2. 1.95km S of Banning, CA · 14429 days ago · 12 km deep · 36 km away
  3. 2.015km NNE of Thousand Palms, CA · 14429 days ago · 0 km deep · 62 km away
  4. 2.315km NNE of Thousand Palms, CA · 14429 days ago · 2 km deep · 61 km away
  5. 1.612km NE of Coachella, CA · 14429 days ago · 4 km deep · 69 km away
  6. 2.29km NE of Lake Arrowhead, CA · 14428 days ago · 1 km deep · 89 km away
  7. 2.24km SW of Desert Hot Springs, CA · 14428 days ago · 7 km deep · 48 km away
  8. 2.118km NNW of Borrego Springs, CA · 14428 days ago · 7 km deep · 37 km away
  9. 2.017km NNW of Borrego Springs, CA · 14428 days ago · 14 km deep · 39 km away
  10. 2.37km WSW of Morongo Valley, CA · 14427 days ago · 10 km deep · 52 km away
  11. 2.27km NNE of Yucaipa, CA · 14427 days ago · 8 km deep · 62 km away
  12. 2.26km WSW of Morongo Valley, CA · 14427 days ago · 11 km deep · 53 km away
  13. 1.79km ENE of Thousand Palms, CA · 14427 days ago · 2 km deep · 56 km away
  14. 2.69km NE of Thousand Palms, CA · 14427 days ago · 3 km deep · 56 km away
  15. 1.99km NE of Thousand Palms, CA · 14427 days ago · 0 km deep · 56 km away
  16. 1.74km NNE of Fontana, CA · 14426 days ago · 9 km deep · 87 km away
  17. 1.99km NNW of Julian, CA · 14426 days ago · 15 km deep · 47 km away
  18. 2.84km NNE of Fontana, CA · 14426 days ago · 8 km deep · 87 km away
  19. 1.98km S of Idyllwild, CA · 14426 days ago · 16 km deep · 14 km away
  20. 2.04km ENE of Calimesa, CA · 14426 days ago · 12 km deep · 52 km away
  21. 1.914km NE of Borrego Springs, CA · 14426 days ago · 13 km deep · 54 km away
  22. 2.220km ESE of Julian, CA · 14425 days ago · 8 km deep · 70 km away
  23. 2.224km SW of Ocotillo Wells, CA · 14425 days ago · 10 km deep · 81 km away
  24. 2.22km NE of Ladera Ranch, CA · 14425 days ago · 5 km deep · 76 km away
  25. 1.914km WNW of Anza, CA · 14425 days ago · 9 km deep · 4 km away
  26. 1.614km S of Anza, CA · 14425 days ago · 14 km deep · 18 km away
  27. 1.919km ESE of Julian, CA · 14424 days ago · 6 km deep · 69 km away
  28. 2.09km NE of Cabazon, CA · 14424 days ago · 9 km deep · 46 km away
  29. 1.93km SSE of Yorba Linda, CA · 14424 days ago · 3 km deep · 98 km away
  30. 2.96km S of Idyllwild, CA · 14423 days ago · 14 km deep · 16 km away
  31. 1.62km S of Loma Linda, CA · 14423 days ago · 11 km deep · 68 km away
  32. 2.33km E of Banning, CA · 14423 days ago · 5 km deep · 41 km away
  33. 2.112km SW of Idyllwild, CA · 14423 days ago · 15 km deep · 10 km away
  34. 2.313km SE of Anza, CA · 14423 days ago · 8 km deep · 24 km away
  35. 1.920km ESE of Ocotillo Wells, CA · 14423 days ago · 9 km deep · 97 km away
  36. 1.95km NW of Desert Hot Springs, CA · 14423 days ago · 8 km deep · 53 km away
  37. 1.620km ESE of Anza, CA · 14423 days ago · 10 km deep · 32 km away
  38. 2.721km ESE of Anza, CA · 14423 days ago · 16 km deep · 32 km away
  39. 2.020km ESE of Anza, CA · 14423 days ago · 16 km deep · 31 km away
  40. 2.112km SW of Salton City, CA · 14423 days ago · 2 km deep · 78 km away
  41. 1.92km S of Loma Linda, CA · 14422 days ago · 11 km deep · 68 km away
  42. 2.02km S of Loma Linda, CA · 14422 days ago · 11 km deep · 68 km away
  43. 1.616km NNE of Thousand Palms, CA · 14422 days ago · 4 km deep · 62 km away
  44. 1.914km NNE of Thousand Palms, CA · 14422 days ago · 1 km deep · 60 km away
  45. 2.427km SSW of Ocotillo Wells, CA · 14422 days ago · 13 km deep · 87 km away
  46. 2.312km NNE of Borrego Springs, CA · 14422 days ago · 11 km deep · 49 km away
  47. 2.02km S of Loma Linda, CA · 14422 days ago · 11 km deep · 68 km away
  48. 2.01km SSW of Loma Linda, CA · 14422 days ago · 12 km deep · 68 km away
  49. 2.11km SSW of Loma Linda, CA · 14422 days ago · 11 km deep · 68 km away
  50. 2.31km SSW of Loma Linda, CA · 14422 days ago · 9 km deep · 68 km away
  51. 1.72km S of Loma Linda, CA · 14422 days ago · 10 km deep · 68 km away
  52. 1.65km SSW of Devore, CA · 14422 days ago · 7 km deep · 89 km away
  53. 2.12km S of Loma Linda, CA · 14422 days ago · 10 km deep · 68 km away
  54. 1.611km SW of Morongo Valley, CA · 14422 days ago · 5 km deep · 47 km away
  55. 1.87km W of Mira Loma, CA · 14421 days ago · 3 km deep · 87 km away
  56. 2.12km SSW of Loma Linda, CA · 14421 days ago · 12 km deep · 68 km away
  57. 2.12km S of Loma Linda, CA · 14421 days ago · 10 km deep · 68 km away
  58. 1.96km S of Morongo Valley, CA · 14421 days ago · 11 km deep · 52 km away
  59. 1.55km SE of Loma Linda, CA · 14421 days ago · 16 km deep · 64 km away
  60. 2.87km WNW of Desert Hot Springs, CA · 14421 days ago · 8 km deep · 50 km away

The first 60 of 182.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci717421. Read Wed, Sep 23, 2026, 12:27 AM UTC.