California earthquakes

M1.8 earthquake 14 km E of Seven Trees, California

A magnitude 1.8 earthquake struck 14 km E of Seven Trees, California on Sat, May 11, 1991, 2:56 AM PDT (09:56 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.6 15 km WNW of Davenport, 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1991-05-11 09:56:30 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
37.294° N, 121.677° 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, 0.4 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
51°
Stations used
54

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 136 in the 60 days after this one and 77 in the 30 days before it.

After

  1. 2.58 km NE of Morgan Hill, California · 12930 days ago · 3 km deep · 15 km away
  2. 1.614 km N of Morgan Hill, California · 12930 days ago · 5 km deep · 5 km away
  3. 1.69 km N of Day Valley, California · 12930 days ago · 3 km deep · 26 km away
  4. 1.52 km NNW of Blackhawk, California · 12929 days ago · 10 km deep · 65 km away
  5. 1.82 km SW of Cupertino, California · 12929 days ago · 6 km deep · 33 km away
  6. 2.73 km NE of East Foothills, California · 12929 days ago · 2 km deep · 16 km away
  7. 2.03 km W of San Juan Bautista, California · 12928 days ago · 6 km deep · 50 km away
  8. 1.68 km SE of San Juan Bautista, California · 12928 days ago · 10 km deep · 59 km away
  9. 1.58 km SE of San Juan Bautista, California · 12928 days ago · 10 km deep · 59 km away
  10. 2.58 km ENE of Gilroy, California · 12928 days ago · 7 km deep · 34 km away
  11. 2.28 km SE of San Juan Bautista, California · 12928 days ago · 10 km deep · 59 km away
  12. 1.521 km NNE of Soledad, California · 12928 days ago · 6 km deep · 89 km away
  13. 2.027 km NE of Soledad, California · 12927 days ago · 7 km deep · 92 km away
  14. 1.510 km S of Muir Beach, California · 12927 days ago · 11 km deep · 94 km away
  15. 2.18 km NNE of Day Valley, California · 12927 days ago · 4 km deep · 25 km away
  16. 2.10 km SW of Blackhawk, California · 12927 days ago · 15 km deep · 62 km away
  17. 1.78 km ENE of Morgan Hill, California · 12926 days ago · 2 km deep · 19 km away
  18. 1.74 km S of Fairview, California · 12926 days ago · 3 km deep · 50 km away
  19. 1.7Central California · 12925 days ago · 9 km deep · 38 km away
  20. 2.78 km NE of Gilroy, California · 12924 days ago · 4 km deep · 31 km away
  21. 1.68 km NNE of Day Valley, California · 12924 days ago · 4 km deep · 24 km away
  22. 1.622 km NNE of Soledad, California · 12923 days ago · 1 km deep · 88 km away
  23. 1.66 km E of East Foothills, California · 12923 days ago · 2 km deep · 11 km away
  24. 1.910 km SE of Hickman, California · 12923 days ago · 21 km deep · 94 km away
  25. 2.410 km ESE of Hickman, California · 12922 days ago · 21 km deep · 95 km away
  26. 1.99 km SE of Hickman, California · 12922 days ago · 20 km deep · 94 km away
  27. 1.923 km SW of South Dos Palos, California · 12922 days ago · 5 km deep · 94 km away
  28. 1.711 km ESE of East Foothills, California · 12922 days ago · 7 km deep · 5 km away
  29. 1.83 km ENE of Saratoga, California · 12921 days ago · 5 km deep · 28 km away
  30. 2.323 km SE of Tres Pinos, California · 12920 days ago · 8 km deep · 88 km away
  31. 1.62 km NNE of San Leandro, California · 12920 days ago · 6 km deep · 65 km away
  32. 1.521 km NE of Soledad, California · 12920 days ago · 3 km deep · 93 km away
  33. 1.918 km NE of East Foothills, California · 12917 days ago · 7 km deep · 23 km away
  34. 2.518 km NE of East Foothills, California · 12917 days ago · 7 km deep · 23 km away
  35. 1.58 km N of Day Valley, California · 12917 days ago · 4 km deep · 27 km away
  36. 1.624 km NE of Soledad, California · 12917 days ago · 10 km deep · 94 km away
  37. 2.24 km NNW of Day Valley, California · 12916 days ago · 13 km deep · 31 km away
  38. 1.59 km ENE of Livermore, California · 12915 days ago · 12 km deep · 46 km away
  39. 2.72 km NNW of Aromas, California · 12915 days ago · 9 km deep · 43 km away
  40. 1.624 km NE of Soledad, California · 12914 days ago · 7 km deep · 90 km away
  41. 1.612 km ENE of East Foothills, California · 12914 days ago · 5 km deep · 14 km away
  42. 2.821 km NE of Soledad, California · 12913 days ago · 2 km deep · 91 km away
  43. 1.914 km E of Seven Trees, California · 12913 days ago · 3 km deep · 1 km away
  44. 1.713 km S of Tres Pinos, California · 12913 days ago · 4 km deep · 77 km away
  45. 1.58 km NNE of Milpitas, California · 12912 days ago · 3 km deep · 28 km away
  46. 1.63 km NNW of Seacliff, California · 12911 days ago · 3 km deep · 39 km away
  47. 2.52 km WNW of San Juan Bautista, California · 12910 days ago · 8 km deep · 50 km away
  48. 1.622 km NE of Soledad, California · 12910 days ago · 2 km deep · 98 km away
  49. 2.32 km SSE of Piedmont, California · 12910 days ago · 12 km deep · 74 km away
  50. 1.72 km WNW of San Juan Bautista, California · 12910 days ago · 7 km deep · 50 km away
  51. 1.61 km NE of Pacifica, California · 12909 days ago · 8 km deep · 79 km away
  52. 1.66 km WNW of Day Valley, California · 12909 days ago · 17 km deep · 34 km away
  53. 2.39 km SW of Ridgemark, California · 12909 days ago · 6 km deep · 65 km away
  54. 1.927 km SSW of Davenport, California · 12909 days ago · 0 km deep · 79 km away
  55. 1.52 km WNW of San Juan Bautista, California · 12908 days ago · 8 km deep · 50 km away
  56. 3.13 km SSW of Lexington Hills, California · 12908 days ago · 14 km deep · 33 km away
  57. 2.33 km SSW of Lexington Hills, California · 12908 days ago · 14 km deep · 33 km away
  58. 2.411 km ESE of Livermore, California · 12908 days ago · 8 km deep · 38 km away
  59. 2.111 km ESE of Livermore, California · 12908 days ago · 8 km deep · 38 km away
  60. 1.811 km ESE of Livermore, California · 12908 days ago · 7 km deep · 38 km away

The first 60 of 136.

Before

  1. 1.67 km NE of Hollister, California · 12932 days ago · 7 km deep · 53 km away
  2. 1.83 km SSE of Portola Valley, California · 12932 days ago · 10 km deep · 48 km away
  3. 1.55 km SW of Gilroy, California · 12932 days ago · 3 km deep · 37 km away
  4. 1.53 km N of Sunol, California · 12932 days ago · 8 km deep · 42 km away
  5. 2.18 km SSW of Tres Pinos, California · 12932 days ago · 3 km deep · 69 km away
  6. 2.82 km ENE of Alamo, California · 12933 days ago · 8 km deep · 70 km away
  7. 1.92 km E of Berkeley, California · 12935 days ago · 9 km deep · 81 km away
  8. 1.66 km WNW of Lexington Hills, California · 12935 days ago · 13 km deep · 35 km away
  9. 1.621 km NE of Soledad, California · 12936 days ago · 2 km deep · 91 km away
  10. 1.67 km E of East Foothills, California · 12936 days ago · 6 km deep · 10 km away
  11. 1.97 km E of East Foothills, California · 12937 days ago · 6 km deep · 10 km away
  12. 1.95 km WNW of San Juan Bautista, California · 12937 days ago · 7 km deep · 49 km away
  13. 1.610 km SW of Brentwood, California · 12937 days ago · 12 km deep · 63 km away
  14. 1.77 km ESE of Discovery Bay, California · 12938 days ago · 13 km deep · 66 km away
  15. 2.34 km SSE of San Juan Bautista, California · 12938 days ago · 4 km deep · 56 km away
  16. 1.83 km NE of Amesti, California · 12938 days ago · 14 km deep · 35 km away
  17. 1.87 km ESE of Discovery Bay, California · 12938 days ago · 12 km deep · 66 km away
  18. 2.714 km N of Morgan Hill, California · 12939 days ago · 4 km deep · 5 km away
  19. 1.85 km ESE of Aromas, California · 12939 days ago · 6 km deep · 48 km away
  20. 1.522 km ENE of Soledad, California · 12940 days ago · 3 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc212321. Read Mon, Oct 5, 2026, 7:40 AM UTC.