California earthquakes

M2.0 earthquake 4 km SE of Aromas, California

A magnitude 2.0 earthquake struck 4 km SE of Aromas, California on Sat, Oct 17, 1987, 8:22 AM PDT (15:22 UTC), 7 km (4 mi) below the surface.

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

Aromas 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
2.0 (md), micro
Local time
UTC
1987-10-17 15:22:02 UTC
Depth
7.0 km (4.3 mi), shallow
Epicenter
36.865° N, 121.599° 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, 0.3 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
54°
Stations used
57

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 145 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 1.79 km E of San Martin, California · 14228 days ago · 9 km deep · 27 km away
  2. 2.918 km SSE of Livermore, California · 14227 days ago · 7 km deep · 75 km away
  3. 2.821 km NE of Soledad, California · 14227 days ago · 9 km deep · 55 km away
  4. 1.621 km NE of Soledad, California · 14227 days ago · 8 km deep · 55 km away
  5. 1.621 km SSE of Tres Pinos, California · 14227 days ago · 6 km deep · 44 km away
  6. 1.521 km SSE of Tres Pinos, California · 14227 days ago · 6 km deep · 44 km away
  7. 1.65 km SE of Tres Pinos, California · 14224 days ago · 7 km deep · 31 km away
  8. 1.67 km W of Gilroy, California · 14223 days ago · 6 km deep · 15 km away
  9. 1.614 km E of Seven Trees, California · 14223 days ago · 2 km deep · 48 km away
  10. 2.018 km NE of East Foothills, California · 14222 days ago · 5 km deep · 71 km away
  11. 1.65 km SW of Gilroy, California · 14221 days ago · 4 km deep · 12 km away
  12. 1.68 km SE of Los Banos, California · 14220 days ago · 4 km deep · 74 km away
  13. 1.8Central California · 14220 days ago · 9 km deep · 42 km away
  14. 1.636 km ESE of Tres Pinos, California · 14219 days ago · 0 km deep · 62 km away
  15. 1.66 km N of East Foothills, California · 14219 days ago · 1 km deep · 66 km away
  16. 2.215 km N of Morgan Hill, CA · 14219 days ago · 3 km deep · 44 km away
  17. 1.85 km SE of Tres Pinos, California · 14218 days ago · 9 km deep · 31 km away
  18. 1.55 km SW of Gilroy, California · 14218 days ago · 3 km deep · 11 km away
  19. 3.210 km S of Tres Pinos, California · 14217 days ago · 3 km deep · 32 km away
  20. 2.021 km S of Big Sur, California · 14217 days ago · 17 km deep · 90 km away
  21. 1.726 km ENE of Soledad, California · 14217 days ago · 7 km deep · 57 km away
  22. 2.122 km WSW of Greenfield, California · 14217 days ago · 13 km deep · 73 km away
  23. 2.02 km SSE of Alum Rock, California · 14217 days ago · 7 km deep · 57 km away
  24. 3.322 km NNE of Soledad, California · 14217 days ago · 9 km deep · 46 km away
  25. 1.522 km NNE of Soledad, California · 14217 days ago · 8 km deep · 45 km away
  26. 2.511 km ESE of East Foothills, California · 14215 days ago · 8 km deep · 53 km away
  27. 2.38 km N of East Foothills, California · 14214 days ago · 6 km deep · 68 km away
  28. 1.822 km NE of Soledad, California · 14214 days ago · 4 km deep · 49 km away
  29. 1.526 km NE of Greenfield, California · 14214 days ago · 7 km deep · 69 km away
  30. 1.618 km SSE of Tres Pinos, California · 14213 days ago · 8 km deep · 41 km away
  31. 3.215 km E of Seven Trees, California · 14213 days ago · 6 km deep · 48 km away
  32. 1.615 km E of Seven Trees, California · 14213 days ago · 5 km deep · 48 km away
  33. 1.615 km E of Seven Trees, California · 14213 days ago · 5 km deep · 47 km away
  34. 1.61 km NNW of Cambrian Park, California · 14213 days ago · 4 km deep · 54 km away
  35. 1.67 km N of East Foothills, California · 14213 days ago · 8 km deep · 68 km away
  36. 2.06 km ENE of Hollister, California · 14212 days ago · 7 km deep · 23 km away
  37. 3.14 km SW of Tres Pinos, California · 14212 days ago · 7 km deep · 24 km away
  38. 1.811 km S of Tres Pinos, California · 14212 days ago · 3 km deep · 32 km away
  39. 1.62 km NNW of Hollister, California · 14211 days ago · 7 km deep · 16 km away
  40. 1.65 km SSW of Gilroy, California · 14210 days ago · 4 km deep · 11 km away
  41. 1.621 km NNE of Soledad, California · 14210 days ago · 8 km deep · 46 km away
  42. 2.86 km ENE of Hollister, California · 14210 days ago · 8 km deep · 23 km away
  43. 1.611 km SW of Soledad, California · 14209 days ago · 12 km deep · 61 km away
  44. 1.56 km ENE of Hollister, California · 14209 days ago · 7 km deep · 23 km away
  45. 1.510 km ESE of Gilroy, California · 14208 days ago · 4 km deep · 17 km away
  46. 2.713 km ENE of East Foothills, California · 14208 days ago · 4 km deep · 62 km away
  47. 2.112 km NNE of East Foothills, California · 14208 days ago · 7 km deep · 69 km away
  48. 4.021 km NNE of Soledad, California · 14207 days ago · 9 km deep · 46 km away
  49. 1.921 km NNE of Soledad, California · 14207 days ago · 7 km deep · 47 km away
  50. 2.421 km NNE of Soledad, California · 14207 days ago · 7 km deep · 47 km away
  51. 1.63 km ENE of Redwood Shores, California · 14207 days ago · 5 km deep · 93 km away
  52. 1.85 km SE of Tres Pinos, California · 14207 days ago · 7 km deep · 31 km away
  53. 2.421 km NNE of Soledad, California · 14207 days ago · 7 km deep · 47 km away
  54. 1.85 km NNE of Tres Pinos, California · 14206 days ago · 4 km deep · 27 km away
  55. 2.06 km E of East Foothills, California · 14205 days ago · 6 km deep · 60 km away
  56. 1.67 km NNE of East Foothills, California · 14205 days ago · 7 km deep · 67 km away
  57. 2.16 km NE of East Foothills, California · 14204 days ago · 7 km deep · 63 km away
  58. 1.96 km ENE of Hollister, California · 14203 days ago · 5 km deep · 24 km away
  59. 1.68 km WNW of Davenport, California · 14203 days ago · 9 km deep · 63 km away
  60. 1.521 km NE of Soledad, California · 14203 days ago · 8 km deep · 55 km away

The first 60 of 145.

Before

  1. 1.715 km E of Seven Trees, California · 14229 days ago · 6 km deep · 47 km away
  2. 1.821 km SSE of Tres Pinos, California · 14229 days ago · 5 km deep · 44 km away
  3. 2.521 km SSE of Tres Pinos, California · 14229 days ago · 6 km deep · 44 km away
  4. 2.03 km WSW of San Juan Bautista, California · 14230 days ago · 8 km deep · 4 km away
  5. 2.112 km NE of East Foothills, California · 14231 days ago · 7 km deep · 69 km away
  6. 1.624 km ENE of Soledad, California · 14232 days ago · 3 km deep · 63 km away
  7. 2.813 km N of Morgan Hill, California · 14232 days ago · 4 km deep · 43 km away
  8. 2.719 km SSE of Tres Pinos, California · 14233 days ago · 10 km deep · 41 km away
  9. 1.519 km SSE of Livermore, California · 14234 days ago · 6 km deep · 73 km away
  10. 1.75 km NNE of Tres Pinos, California · 14235 days ago · 4 km deep · 27 km away
  11. 2.713 km ENE of East Foothills, California · 14235 days ago · 5 km deep · 63 km away
  12. 1.725 km NE of King City, California · 14236 days ago · 1 km deep · 77 km away
  13. 1.513 km WNW of Diablo Grande, California · 14236 days ago · 6 km deep · 65 km away
  14. 1.621 km NE of Soledad, California · 14236 days ago · 6 km deep · 51 km away
  15. 2.416 km SSE of Livermore, California · 14237 days ago · 4 km deep · 77 km away
  16. 2.217 km NE of East Foothills, California · 14237 days ago · 7 km deep · 71 km away
  17. 1.511 km SSE of Livermore, California · 14237 days ago · 4 km deep · 81 km away
  18. 2.311 km SSE of Tres Pinos, California · 14238 days ago · 16 km deep · 33 km away
  19. 2.213 km ENE of East Foothills, California · 14238 days ago · 5 km deep · 63 km away
  20. 1.613 km ENE of East Foothills, California · 14238 days ago · 7 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc107330. Read Wed, Sep 30, 2026, 10:37 PM UTC.