California earthquakes

M1.6 earthquake 15 km E of Seven Trees, California

A magnitude 1.6 earthquake struck 15 km E of Seven Trees, California on Sun, Nov 1, 1987, 2:13 PM PST (22:13 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.0 21 km NNE of Soledad, California. This one was a foreshock.

Seven Trees 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1987-11-01 22:13:47 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
37.290° N, 121.667° 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 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
67°
Stations used
44

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 133 in the 60 days after this one and 62 in the 30 days before it.

After

  1. 1.615 km E of Seven Trees, California · 14216 days ago · 5 km deep · 0 km away
  2. 1.61 km NNW of Cambrian Park, California · 14216 days ago · 4 km deep · 24 km away
  3. 1.67 km N of East Foothills, California · 14215 days ago · 8 km deep · 22 km away
  4. 2.06 km ENE of Hollister, California · 14215 days ago · 7 km deep · 54 km away
  5. 3.14 km SW of Tres Pinos, California · 14215 days ago · 7 km deep · 64 km away
  6. 1.811 km S of Tres Pinos, California · 14214 days ago · 3 km deep · 74 km away
  7. 1.62 km NNW of Hollister, California · 14214 days ago · 7 km deep · 51 km away
  8. 2.0Northern California · 14214 days ago · 5 km deep · 67 km away
  9. 1.65 km SSW of Gilroy, California · 14213 days ago · 4 km deep · 37 km away
  10. 1.621 km NNE of Soledad, California · 14213 days ago · 8 km deep · 87 km away
  11. 2.86 km ENE of Hollister, California · 14213 days ago · 8 km deep · 54 km away
  12. 1.56 km ENE of Hollister, California · 14212 days ago · 7 km deep · 54 km away
  13. 1.510 km ESE of Gilroy, California · 14211 days ago · 4 km deep · 40 km away
  14. 2.713 km ENE of East Foothills, California · 14211 days ago · 4 km deep · 14 km away
  15. 2.112 km NNE of East Foothills, California · 14210 days ago · 7 km deep · 22 km away
  16. 4.021 km NNE of Soledad, California · 14210 days ago · 9 km deep · 88 km away
  17. 1.921 km NNE of Soledad, California · 14210 days ago · 7 km deep · 88 km away
  18. 2.421 km NNE of Soledad, California · 14210 days ago · 7 km deep · 88 km away
  19. 1.63 km ENE of Redwood Shores, California · 14210 days ago · 5 km deep · 56 km away
  20. 1.85 km SE of Tres Pinos, California · 14210 days ago · 7 km deep · 68 km away
  21. 2.421 km NNE of Soledad, California · 14209 days ago · 7 km deep · 88 km away
  22. 1.85 km NNE of Tres Pinos, California · 14209 days ago · 4 km deep · 60 km away
  23. 2.06 km E of East Foothills, California · 14208 days ago · 6 km deep · 13 km away
  24. 1.67 km NNE of East Foothills, California · 14208 days ago · 7 km deep · 21 km away
  25. 1.73 km SSW of Alameda, California · 14207 days ago · 5 km deep · 73 km away
  26. 2.16 km NE of East Foothills, California · 14207 days ago · 7 km deep · 16 km away
  27. 1.96 km ENE of Hollister, California · 14206 days ago · 5 km deep · 54 km away
  28. 1.68 km WNW of Davenport, California · 14205 days ago · 9 km deep · 60 km away
  29. 1.521 km NE of Soledad, California · 14205 days ago · 8 km deep · 96 km away
  30. 1.56 km NE of Ridgemark, California · 14205 days ago · 4 km deep · 58 km away
  31. 2.521 km NNE of Soledad, California · 14205 days ago · 8 km deep · 87 km away
  32. 1.92 km SW of Mountain View, California · 14205 days ago · 0 km deep · 88 km away
  33. 1.98 km NE of Ridgemark, California · 14204 days ago · 6 km deep · 56 km away
  34. 1.614 km E of Seven Trees, California · 14203 days ago · 2 km deep · 1 km away
  35. 2.410 km SSW of Loyola, California · 14202 days ago · 6 km deep · 42 km away
  36. 2.56 km ENE of Hollister, California · 14202 days ago · 7 km deep · 54 km away
  37. 1.56 km ENE of Hollister, California · 14202 days ago · 7 km deep · 54 km away
  38. 2.47 km NNE of Interlaken, California · 14202 days ago · 12 km deep · 30 km away
  39. 1.721 km NNE of Soledad, California · 14201 days ago · 7 km deep · 88 km away
  40. 2.717 km SSE of Tres Pinos, California · 14201 days ago · 8 km deep · 80 km away
  41. 2.022 km NNE of Soledad, California · 14201 days ago · 2 km deep · 87 km away
  42. 2.015 km E of Seven Trees, California · 14201 days ago · 3 km deep · 1 km away
  43. 2.321 km NE of Soledad, California · 14201 days ago · 6 km deep · 89 km away
  44. 2.914 km N of Pittsburg, California · 14200 days ago · 17 km deep · 98 km away
  45. 1.611 km ESE of East Foothills, California · 14199 days ago · 7 km deep · 6 km away
  46. 1.824 km NE of Soledad, California · 14199 days ago · 8 km deep · 96 km away
  47. 1.822 km NE of Soledad, California · 14198 days ago · 8 km deep · 93 km away
  48. 1.5Central California · 14198 days ago · 8 km deep · 88 km away
  49. 1.53 km WNW of Ridgemark, California · 14197 days ago · 7 km deep · 57 km away
  50. 1.516 km NE of East Foothills, California · 14197 days ago · 2 km deep · 22 km away
  51. 2.35 km WSW of Gilroy, California · 14197 days ago · 3 km deep · 34 km away
  52. 1.87 km ENE of Hollister, California · 14197 days ago · 7 km deep · 55 km away
  53. 2.48 km SE of Alum Rock, California · 14197 days ago · 5 km deep · 8 km away
  54. 1.64 km ESE of Tres Pinos, California · 14196 days ago · 7 km deep · 67 km away
  55. 2.317 km SW of Gustine, California · 14196 days ago · 0 km deep · 49 km away
  56. 2.413 km NE of East Foothills, California · 14195 days ago · 6 km deep · 21 km away
  57. 2.524 km NE of Soledad, California · 14195 days ago · 7 km deep · 96 km away
  58. 1.58 km WNW of Davenport, California · 14194 days ago · 9 km deep · 60 km away
  59. 1.82 km ENE of San Leandro, California · 14194 days ago · 4 km deep · 64 km away
  60. 1.52 km WSW of San Juan Bautista, California · 14194 days ago · 4 km deep · 51 km away

The first 60 of 133.

Before

  1. 3.215 km E of Seven Trees, California · 14216 days ago · 6 km deep · 0 km away
  2. 1.618 km SSE of Tres Pinos, California · 14216 days ago · 8 km deep · 82 km away
  3. 1.86 km W of Pleasant Hill, California · 14216 days ago · 14 km deep · 83 km away
  4. 1.822 km NE of Soledad, California · 14217 days ago · 4 km deep · 90 km away
  5. 2.38 km N of East Foothills, California · 14217 days ago · 6 km deep · 22 km away
  6. 2.511 km ESE of East Foothills, California · 14217 days ago · 8 km deep · 6 km away
  7. 3.20 km NNW of Kensington, California · 14218 days ago · 5 km deep · 88 km away
  8. 1.61 km ESE of Pleasant Hill, California · 14219 days ago · 9 km deep · 80 km away
  9. 1.522 km NNE of Soledad, California · 14220 days ago · 8 km deep · 87 km away
  10. 3.322 km NNE of Soledad, California · 14220 days ago · 9 km deep · 87 km away
  11. 2.02 km SSE of Alum Rock, California · 14220 days ago · 7 km deep · 15 km away
  12. 1.726 km ENE of Soledad, California · 14220 days ago · 7 km deep · 97 km away
  13. 3.210 km S of Tres Pinos, California · 14220 days ago · 3 km deep · 74 km away
  14. 1.55 km SW of Gilroy, California · 14221 days ago · 3 km deep · 36 km away
  15. 1.85 km SE of Tres Pinos, California · 14221 days ago · 9 km deep · 69 km away
  16. 2.215 km N of Morgan Hill, CA · 14221 days ago · 3 km deep · 4 km away
  17. 1.66 km N of East Foothills, California · 14222 days ago · 1 km deep · 21 km away
  18. 1.636 km ESE of Tres Pinos, California · 14222 days ago · 0 km deep · 92 km away
  19. 1.8Central California · 14222 days ago · 9 km deep · 79 km away
  20. 1.68 km SE of Los Banos, California · 14223 days ago · 4 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc107902. Read Sat, Oct 3, 2026, 3:37 PM UTC.