California earthquakes

M2.7 earthquake 14 km E of Seven Trees, California

A magnitude 2.7 earthquake struck 14 km E of Seven Trees, California on Wed, Oct 21, 1981, 3:42 AM PDT (10:42 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M3.1 4 km SSE of San Juan Bautista, 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.

Open the live map with earthquakes

The earthquake

Magnitude
2.7 (md), micro
Local time
UTC
1981-10-21 10:42:09 UTC
Depth
7.3 km (4.5 mi), shallow
Epicenter
37.311° N, 121.681° 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
45°
Stations used
77

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 122 in the 60 days after this one and 47 in the 30 days before it.

After

  1. 1.923 km SSW of South Dos Palos, California · 16406 days ago · 4 km deep · 99 km away
  2. 1.99 km NE of Gilroy, California · 16406 days ago · 8 km deep · 32 km away
  3. 1.72 km NE of San Leandro, California · 16405 days ago · 3 km deep · 63 km away
  4. 1.87 km SSW of Pescadero, California · 16405 days ago · 14 km deep · 65 km away
  5. 1.715 km NE of Morgan Hill, California · 16405 days ago · 7 km deep · 15 km away
  6. 2.310 km ESE of East Foothills, California · 16404 days ago · 8 km deep · 4 km away
  7. 2.710 km ESE of East Foothills, California · 16404 days ago · 8 km deep · 4 km away
  8. 1.63 km ENE of Grayson, California · 16404 days ago · -1 km deep · 56 km away
  9. 2.61 km NE of Tres Pinos, California · 16404 days ago · 8 km deep · 66 km away
  10. 2.41 km NE of Tres Pinos, California · 16404 days ago · 8 km deep · 66 km away
  11. 2.015 km WNW of Davenport, California · 16404 days ago · 1 km deep · 65 km away
  12. 2.013 km N of Hollister, California · 16404 days ago · 6 km deep · 46 km away
  13. 1.522 km NNE of Soledad, California · 16403 days ago · 2 km deep · 90 km away
  14. 2.28 km ENE of Gilroy, California · 16403 days ago · 8 km deep · 35 km away
  15. 2.22 km SSW of Hollister, California · 16403 days ago · 9 km deep · 58 km away
  16. 2.32 km S of Fairview, California · 16403 days ago · 6 km deep · 50 km away
  17. 1.712 km SE of Livermore, California · 16403 days ago · 6 km deep · 31 km away
  18. 3.14 km SSE of San Juan Bautista, California · 16402 days ago · 6 km deep · 57 km away
  19. 2.87 km S of Sunol, California · 16402 days ago · 9 km deep · 30 km away
  20. 2.013 km NNE of Hollister, California · 16401 days ago · 5 km deep · 47 km away
  21. 2.211 km ENE of Blackhawk, California · 16401 days ago · 16 km deep · 60 km away
  22. 2.38 km ESE of East Foothills, California · 16401 days ago · 8 km deep · 6 km away
  23. 1.85 km WNW of Broadmoor, California · 16400 days ago · 7 km deep · 87 km away
  24. 2.44 km W of San Juan Bautista, California · 16400 days ago · 4 km deep · 52 km away
  25. 2.02 km E of Ladera, California · 16399 days ago · 4 km deep · 44 km away
  26. 1.62 km SE of Ladera, California · 16399 days ago · 2 km deep · 44 km away
  27. 2.32 km SSW of San Juan Bautista, California · 16398 days ago · 5 km deep · 55 km away
  28. 2.020 km ESE of East Foothills, California · 16397 days ago · 6 km deep · 7 km away
  29. 1.75 km SW of Gilroy, California · 16396 days ago · 5 km deep · 38 km away
  30. 1.93 km S of Fairview, California · 16396 days ago · 4 km deep · 49 km away
  31. 3.11 km ENE of Pittsburg, California · 16395 days ago · 15 km deep · 82 km away
  32. 2.33 km S of Fairview, California · 16395 days ago · 4 km deep · 49 km away
  33. 1.84 km WNW of San Juan Bautista, California · 16394 days ago · 5 km deep · 51 km away
  34. 2.5Central California · 16393 days ago · 2 km deep · 74 km away
  35. 1.95 km SW of Ridgemark, California · 16393 days ago · 6 km deep · 65 km away
  36. 1.95 km SE of Tres Pinos, California · 16393 days ago · 8 km deep · 71 km away
  37. 2.28 km ENE of Milpitas, California · 16393 days ago · 7 km deep · 21 km away
  38. 2.01 km S of Tres Pinos, California · 16393 days ago · 4 km deep · 67 km away
  39. 1.83 km NW of Carmel Valley Village, California · 16391 days ago · 10 km deep · 87 km away
  40. 2.27 km E of East Foothills, California · 16391 days ago · 7 km deep · 9 km away
  41. 1.815 km S of Pescadero, California · 16390 days ago · 5 km deep · 65 km away
  42. 2.42 km SSW of San Juan Bautista, California · 16389 days ago · 6 km deep · 55 km away
  43. 2.68 km SSW of Tres Pinos, California · 16389 days ago · 1 km deep · 73 km away
  44. 1.813 km N of Hollister, California · 16388 days ago · 7 km deep · 46 km away
  45. 2.49 km NW of Hollister, California · 16387 days ago · 5 km deep · 48 km away
  46. 2.75 km SSE of San Juan Bautista, California · 16387 days ago · 8 km deep · 59 km away
  47. 2.09 km NE of San Martin, California · 16387 days ago · 8 km deep · 23 km away
  48. 2.33 km SW of Antioch, California · 16386 days ago · 18 km deep · 76 km away
  49. 1.93 km SW of Antioch, California · 16386 days ago · 19 km deep · 76 km away
  50. 1.516 km SE of Livermore, California · 16384 days ago · 9 km deep · 28 km away
  51. 2.312 km SSW of Davenport, California · 16383 days ago · 11 km deep · 67 km away
  52. 1.88 km ENE of Gilroy, California · 16382 days ago · 4 km deep · 34 km away
  53. 2.527 km SW of South Dos Palos, California · 16382 days ago · -1 km deep · 93 km away
  54. 2.117 km SSE of Tres Pinos, California · 16381 days ago · 5 km deep · 83 km away
  55. 2.817 km SSE of Tres Pinos, California · 16381 days ago · 5 km deep · 83 km away
  56. 1.917 km SSE of Tres Pinos, California · 16381 days ago · 5 km deep · 83 km away
  57. 1.99 km ESE of Lexington Hills, California · 16381 days ago · 11 km deep · 27 km away
  58. 1.523 km NE of Soledad, California · 16381 days ago · 5 km deep · 98 km away
  59. 3.39 km ENE of Gilroy, California · 16381 days ago · 9 km deep · 34 km away
  60. 1.83 km SE of Pacifica, California · 16380 days ago · 9 km deep · 76 km away

The first 60 of 122.

Before

  1. 1.530 km ENE of Soledad, California · 16409 days ago · 8 km deep · 100 km away
  2. 2.130 km ENE of Soledad, California · 16409 days ago · 7 km deep · 100 km away
  3. 1.621 km NE of Soledad, California · 16409 days ago · 3 km deep · 92 km away
  4. 1.78 km S of Gilroy, California · 16410 days ago · 7 km deep · 43 km away
  5. 1.66 km SSE of San Juan Bautista, California · 16410 days ago · 9 km deep · 59 km away
  6. 2.46 km SSE of San Juan Bautista, California · 16410 days ago · 9 km deep · 59 km away
  7. 1.630 km SW of South Dos Palos, California · 16410 days ago · 1 km deep · 94 km away
  8. 2.03 km SSE of Brentwood, California · 16411 days ago · 2 km deep · 66 km away
  9. 2.03 km ESE of Tres Pinos, California · 16412 days ago · 7 km deep · 69 km away
  10. 1.510 km ESE of Gilroy, California · 16412 days ago · 5 km deep · 42 km away
  11. 1.82 km ESE of Tres Pinos, California · 16413 days ago · 8 km deep · 69 km away
  12. 2.021 km NE of Soledad, California · 16413 days ago · 6 km deep · 94 km away
  13. 2.010 km N of Pittsburg, California · 16413 days ago · 21 km deep · 91 km away
  14. 1.610 km ESE of Gilroy, California · 16413 days ago · 5 km deep · 42 km away
  15. 1.79 km NNW of Hollister, California · 16414 days ago · 10 km deep · 47 km away
  16. 2.87 km WSW of Ridgemark, California · 16415 days ago · 9 km deep · 61 km away
  17. 2.19 km ESE of East Foothills, California · 16415 days ago · 7 km deep · 5 km away
  18. 1.715 km WNW of Davenport, California · 16419 days ago · 4 km deep · 63 km away
  19. 2.15 km NNE of San Leandro, California · 16419 days ago · 11 km deep · 65 km away
  20. 1.76 km NE of East Foothills, California · 16419 days ago · 8 km deep · 15 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1068804. Read Tue, Sep 22, 2026, 9:12 AM UTC.