California earthquakes

M1.5 earthquake 7 km ENE of Interlaken, California

A magnitude 1.5 earthquake struck 7 km ENE of Interlaken, California on Mon, May 25, 1987, 4:09 PM PDT (23:09 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.4 3 km N of San Leandro, California. This one was a foreshock.

Interlaken 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
1.5 (md), micro
Local time
UTC
1987-05-25 23:09:19 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
36.982° N, 121.654° 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 0.2 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
40°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 143 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 1.521 km NE of Soledad, California · 14365 days ago · 6 km deep · 63 km away
  2. 3.43 km N of San Leandro, California · 14365 days ago · 5 km deep · 96 km away
  3. 3.0Northern California · 14365 days ago · 5 km deep · 96 km away
  4. 2.43 km NNE of San Leandro, California · 14365 days ago · 5 km deep · 96 km away
  5. 2.23 km N of San Leandro, California · 14365 days ago · 4 km deep · 96 km away
  6. 2.53 km NNE of San Leandro, California · 14364 days ago · 5 km deep · 96 km away
  7. 2.05 km SE of Tres Pinos, California · 14364 days ago · 7 km deep · 42 km away
  8. 1.94 km ESE of San Ramon, California · 14364 days ago · 3 km deep · 90 km away
  9. 2.34 km ESE of San Ramon, California · 14364 days ago · 7 km deep · 91 km away
  10. 1.68 km ESE of East Foothills, California · 14364 days ago · 2 km deep · 42 km away
  11. 2.04 km ESE of San Ramon, California · 14364 days ago · 7 km deep · 90 km away
  12. 1.623 km ENE of Soledad, California · 14363 days ago · 5 km deep · 73 km away
  13. 1.612 km ESE of East Foothills, California · 14363 days ago · 5 km deep · 38 km away
  14. 1.823 km NE of Greenfield, California · 14363 days ago · 5 km deep · 80 km away
  15. 2.62 km NNE of San Leandro, California · 14363 days ago · 4 km deep · 95 km away
  16. 1.814 km N of Morgan Hill, California · 14362 days ago · 5 km deep · 31 km away
  17. 1.619 km E of East Foothills, California · 14362 days ago · 5 km deep · 41 km away
  18. 1.75 km WSW of Gilroy, California · 14362 days ago · 7 km deep · 2 km away
  19. 2.63 km ENE of East Foothills, California · 14361 days ago · 1 km deep · 47 km away
  20. 2.118 km SSW of Volta, California · 14360 days ago · 7 km deep · 59 km away
  21. 3.22 km NE of San Leandro, California · 14360 days ago · 4 km deep · 95 km away
  22. 2.82 km NNE of San Leandro, California · 14360 days ago · 4 km deep · 95 km away
  23. 1.96 km SW of Ridgemark, California · 14360 days ago · 10 km deep · 33 km away
  24. 1.616 km SSE of Livermore, California · 14359 days ago · 8 km deep · 64 km away
  25. 2.63 km NNE of San Leandro, California · 14357 days ago · 4 km deep · 96 km away
  26. 2.014 km E of Seven Trees, California · 14357 days ago · 4 km deep · 34 km away
  27. 1.814 km E of Seven Trees, California · 14357 days ago · 3 km deep · 34 km away
  28. 1.621 km NE of Soledad, California · 14356 days ago · 2 km deep · 62 km away
  29. 1.718 km NE of East Foothills, California · 14356 days ago · 7 km deep · 59 km away
  30. 1.514 km N of Morgan Hill, California · 14355 days ago · 6 km deep · 31 km away
  31. 2.713 km N of Morgan Hill, California · 14355 days ago · 6 km deep · 30 km away
  32. 2.921 km NE of Soledad, California · 14353 days ago · 2 km deep · 64 km away
  33. 1.520 km SE of Tres Pinos, California · 14353 days ago · 9 km deep · 56 km away
  34. 1.630 km ENE of Soledad, California · 14353 days ago · 7 km deep · 72 km away
  35. 2.621 km NE of Soledad, California · 14353 days ago · 2 km deep · 62 km away
  36. 2.22 km N of Ashland, California · 14352 days ago · 5 km deep · 91 km away
  37. 1.521 km NE of Soledad, California · 14351 days ago · 3 km deep · 64 km away
  38. 2.515 km E of Seven Trees, California · 14351 days ago · 6 km deep · 34 km away
  39. 1.98 km ENE of Morgan Hill, California · 14351 days ago · 2 km deep · 21 km away
  40. 2.814 km N of Morgan Hill, California · 14351 days ago · 6 km deep · 31 km away
  41. 1.6Northern California · 14351 days ago · 5 km deep · 82 km away
  42. 1.93 km S of Fairview, California · 14350 days ago · 4 km deep · 82 km away
  43. 2.35 km NNE of Tres Pinos, California · 14349 days ago · 6 km deep · 36 km away
  44. 2.64 km W of San Juan Bautista, California · 14348 days ago · 6 km deep · 16 km away
  45. 2.04 km WNW of San Juan Bautista, California · 14348 days ago · 6 km deep · 16 km away
  46. 1.529 km NE of Soledad, California · 14348 days ago · 4 km deep · 70 km away
  47. 3.12 km NNW of Communications Hill, California · 14348 days ago · 10 km deep · 41 km away
  48. 2.116 km SSE of Tres Pinos, California · 14347 days ago · 5 km deep · 51 km away
  49. 1.610 km E of Blackhawk, California · 14347 days ago · 18 km deep · 96 km away
  50. 1.811 km S of Tres Pinos, California · 14347 days ago · 4 km deep · 44 km away
  51. 1.524 km NE of Greenfield, California · 14347 days ago · 5 km deep · 79 km away
  52. 1.88 km NE of Interlaken, California · 14346 days ago · 4 km deep · 3 km away
  53. 1.922 km NNE of Soledad, California · 14346 days ago · 2 km deep · 60 km away
  54. 1.511 km ESE of Gilroy, California · 14346 days ago · 4 km deep · 18 km away
  55. 2.218 km NE of East Foothills, California · 14344 days ago · 6 km deep · 59 km away
  56. 1.915 km SSE of Tres Pinos, California · 14344 days ago · 5 km deep · 50 km away
  57. 2.424 km ENE of Soledad, California · 14341 days ago · 3 km deep · 75 km away
  58. 2.510 km E of Blackhawk, California · 14339 days ago · 13 km deep · 96 km away
  59. 1.615 km SE of Livermore, California · 14338 days ago · 2 km deep · 65 km away
  60. 1.99 km SSW of Ridgemark, California · 14338 days ago · 7 km deep · 35 km away

The first 60 of 143.

Before

  1. 1.514 km E of Seven Trees, California · 14365 days ago · 2 km deep · 35 km away
  2. 1.724 km NE of King City, California · 14366 days ago · 6 km deep · 93 km away
  3. 1.61 km NE of Pacific Grove, California · 14366 days ago · 4 km deep · 45 km away
  4. 2.622 km NE of Soledad, California · 14367 days ago · 4 km deep · 61 km away
  5. 1.816 km E of Seven Trees, California · 14368 days ago · 6 km deep · 33 km away
  6. 2.018 km NE of East Foothills, California · 14369 days ago · 4 km deep · 59 km away
  7. 1.618 km NE of East Foothills, California · 14369 days ago · 4 km deep · 59 km away
  8. 1.73 km SW of Hillsborough, California · 14370 days ago · 9 km deep · 92 km away
  9. 1.518 km SSE of Tres Pinos, California · 14370 days ago · 10 km deep · 53 km away
  10. 1.814 km N of Morgan Hill, California · 14371 days ago · 6 km deep · 31 km away
  11. 1.64 km E of Union City, California · 14371 days ago · 7 km deep · 74 km away
  12. 1.718 km SSE of Tres Pinos, California · 14372 days ago · 10 km deep · 53 km away
  13. 1.923 km ENE of Soledad, California · 14373 days ago · 4 km deep · 74 km away
  14. 2.114 km N of Morgan Hill, California · 14373 days ago · 3 km deep · 31 km away
  15. 2.315 km SSE of Livermore, California · 14373 days ago · 4 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc100921. Read Wed, Sep 23, 2026, 2:35 AM UTC.