California earthquakes

M1.5 earthquake 11 km SE of Seven Trees, California

A magnitude 1.5 earthquake struck 11 km SE of Seven Trees, California on Thu, May 20, 1982, 1:40 PM PDT (20:40 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.1 29 km ENE 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1982-05-20 20:40:22 UTC
Depth
5.1 km (3.2 mi), shallow
Epicenter
37.218° N, 121.742° 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 0.3 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
66°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 117 in the 60 days after this one and 70 in the 30 days before it.

After

  1. 2.49 km NE of Gilroy, California · 16208 days ago · 9 km deep · 27 km away
  2. 1.67 km SSE of Carmel Valley Village, California · 16207 days ago · 8 km deep · 86 km away
  3. 3.78 km ENE of Gilroy, California · 16207 days ago · 7 km deep · 30 km away
  4. 1.714 km SSE of Tres Pinos, California · 16207 days ago · 10 km deep · 75 km away
  5. 1.98 km ENE of Gilroy, California · 16207 days ago · 6 km deep · 31 km away
  6. 2.11 km S of Tres Pinos, California · 16206 days ago · 7 km deep · 62 km away
  7. 2.017 km SSE of Tres Pinos, California · 16205 days ago · 7 km deep · 77 km away
  8. 1.60 km SSE of Clayton, California · 16204 days ago · 4 km deep · 81 km away
  9. 2.69 km NNW of Hollister, California · 16202 days ago · 6 km deep · 41 km away
  10. 2.114 km SSE of Tres Pinos, California · 16202 days ago · 3 km deep · 75 km away
  11. 1.85 km NNW of San Leandro, California · 16202 days ago · 11 km deep · 72 km away
  12. 1.924 km SE of Tres Pinos, California · 16202 days ago · 1 km deep · 85 km away
  13. 2.11 km E of San Ramon, California · 16202 days ago · 5 km deep · 65 km away
  14. 1.810 km S of Tres Pinos, California · 16201 days ago · 3 km deep · 70 km away
  15. 1.611 km S of Tres Pinos, California · 16201 days ago · 3 km deep · 70 km away
  16. 1.56 km NNE of Interlaken, California · 16201 days ago · 10 km deep · 24 km away
  17. 2.215 km SSE of Tres Pinos, California · 16201 days ago · 3 km deep · 75 km away
  18. 1.522 km NE of Soledad, California · 16200 days ago · 3 km deep · 86 km away
  19. 2.322 km ENE of Soledad, California · 16200 days ago · 10 km deep · 96 km away
  20. 2.47 km ENE of Gilroy, California · 16200 days ago · 6 km deep · 30 km away
  21. 1.82 km NNE of Saratoga, California · 16199 days ago · 5 km deep · 25 km away
  22. 2.022 km ENE of Soledad, California · 16199 days ago · 4 km deep · 94 km away
  23. 1.711 km NE of Gilroy, California · 16199 days ago · 9 km deep · 29 km away
  24. 2.55 km SE of Aromas, California · 16198 days ago · 6 km deep · 42 km away
  25. 2.310 km NNW of Hollister, California · 16198 days ago · 5 km deep · 40 km away
  26. 2.514 km N of Morgan Hill, California · 16198 days ago · 5 km deep · 10 km away
  27. 1.64 km NE of Fremont, California · 16197 days ago · 8 km deep · 44 km away
  28. 2.24 km ESE of Aromas, California · 16197 days ago · 6 km deep · 41 km away
  29. 1.64 km ESE of Aromas, California · 16196 days ago · 6 km deep · 41 km away
  30. 2.18 km NNE of Interlaken, California · 16196 days ago · 10 km deep · 22 km away
  31. 1.518 km E of East Foothills, California · 16194 days ago · 3 km deep · 24 km away
  32. 3.24 km ESE of Interlaken, California · 16193 days ago · 13 km deep · 32 km away
  33. 2.024 km ENE of Soledad, California · 16193 days ago · 5 km deep · 100 km away
  34. 1.811 km SSE of Tracy, California · 16192 days ago · 12 km deep · 58 km away
  35. 2.618 km SSE of Tres Pinos, California · 16192 days ago · 5 km deep · 78 km away
  36. 2.010 km E of Blackhawk, California · 16192 days ago · 9 km deep · 69 km away
  37. 1.67 km ENE of Interlaken, California · 16191 days ago · 6 km deep · 27 km away
  38. 1.713 km S of Tres Pinos, California · 16191 days ago · 4 km deep · 73 km away
  39. 1.613 km S of Tres Pinos, California · 16191 days ago · 3 km deep · 73 km away
  40. 2.29 km ENE of Gilroy, California · 16190 days ago · 9 km deep · 32 km away
  41. 1.613 km S of Tres Pinos, California · 16190 days ago · 4 km deep · 73 km away
  42. 2.413 km ENE of East Foothills, California · 16190 days ago · 5 km deep · 23 km away
  43. 1.66 km SE of Sunol, California · 16189 days ago · 11 km deep · 38 km away
  44. 1.62 km NNE of Piedmont, California · 16188 days ago · 6 km deep · 81 km away
  45. 1.713 km S of Tres Pinos, California · 16187 days ago · 4 km deep · 73 km away
  46. 2.020 km SSE of Tres Pinos, California · 16187 days ago · 6 km deep · 80 km away
  47. 2.11 km ENE of Pacheco, California · 16187 days ago · 14 km deep · 90 km away
  48. 2.021 km ENE of Gonzales, California · 16186 days ago · 7 km deep · 82 km away
  49. 1.621 km NE of Soledad, California · 16185 days ago · 3 km deep · 90 km away
  50. 3.19 km E of Gilroy, California · 16185 days ago · 8 km deep · 34 km away
  51. 1.621 km NE of Soledad, California · 16185 days ago · 6 km deep · 90 km away
  52. 1.73 km SE of Tres Pinos, California · 16185 days ago · 6 km deep · 64 km away
  53. 2.92 km NNE of Castro Valley, California · 16184 days ago · 11 km deep · 63 km away
  54. 1.72 km NNE of Castro Valley, California · 16184 days ago · 10 km deep · 63 km away
  55. 1.611 km S of Tres Pinos, California · 16184 days ago · 4 km deep · 70 km away
  56. 1.614 km ESE of East Foothills, California · 16183 days ago · 6 km deep · 12 km away
  57. 3.129 km ENE of Soledad, California · 16183 days ago · 8 km deep · 99 km away
  58. 1.729 km ENE of Soledad, California · 16183 days ago · 8 km deep · 98 km away
  59. 2.029 km ENE of Soledad, California · 16183 days ago · 7 km deep · 99 km away
  60. 3.229 km ENE of Soledad, California · 16182 days ago · 8 km deep · 99 km away

The first 60 of 117.

Before

  1. 2.024 km NE of Soledad, California · 16209 days ago · 2 km deep · 92 km away
  2. 2.034 km SW of South Dos Palos, California · 16209 days ago · 0 km deep · 94 km away
  3. 1.714 km N of Morgan Hill, California · 16209 days ago · 6 km deep · 10 km away
  4. 2.815 km SSE of Tres Pinos, California · 16209 days ago · 2 km deep · 75 km away
  5. 3.115 km SSE of Tres Pinos, California · 16209 days ago · 3 km deep · 75 km away
  6. 3.215 km SSE of Tres Pinos, California · 16209 days ago · 3 km deep · 75 km away
  7. 2.29 km NE of Milpitas, California · 16210 days ago · 10 km deep · 32 km away
  8. 1.734 km SW of South Dos Palos, California · 16210 days ago · 0 km deep · 94 km away
  9. 1.623 km ENE of Soledad, California · 16211 days ago · 5 km deep · 97 km away
  10. 1.830 km SSW of Los Banos, California · 16211 days ago · 3 km deep · 84 km away
  11. 1.921 km NE of Soledad, California · 16212 days ago · 2 km deep · 89 km away
  12. 1.625 km ENE of Soledad, California · 16213 days ago · 7 km deep · 95 km away
  13. 2.79 km E of San Martin, California · 16213 days ago · 9 km deep · 27 km away
  14. 1.718 km SSE of Tres Pinos, California · 16214 days ago · 6 km deep · 78 km away
  15. 1.817 km SSE of Tres Pinos, California · 16214 days ago · 5 km deep · 77 km away
  16. 1.713 km SSW of Tracy, California · 16214 days ago · 7 km deep · 51 km away
  17. 1.64 km SE of Lexington Hills, California · 16214 days ago · 12 km deep · 19 km away
  18. 2.222 km SSW of South Dos Palos, California · 16215 days ago · 4 km deep · 98 km away
  19. 1.67 km WSW of Gilroy, California · 16215 days ago · 5 km deep · 27 km away
  20. 2.518 km SSE of Tres Pinos, California · 16216 days ago · 5 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1074600. Read Mon, Oct 5, 2026, 8:10 AM UTC.