California earthquakes

M1.6 earthquake 15 km N of Morgan Hill, California

A magnitude 1.6 earthquake struck 15 km N of Morgan Hill, California on Tue, Mar 26, 1985, 5:51 PM PST (01:51 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M1.9 13 km S of Tres Pinos, California. This one was a foreshock.

Morgan Hill 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), micro
Local time
UTC
1985-03-27 01:51:45 UTC
Depth
5.6 km (3.5 mi), shallow
Epicenter
37.273° N, 121.650° 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
±0.08
Depth from
From location
Station coverage gap
38°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 139 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 1.515 km E of East Foothills, California · 15153 days ago · 8 km deep · 15 km away
  2. 1.913 km S of Tres Pinos, California · 15152 days ago · 5 km deep · 74 km away
  3. 2.321 km NE of Soledad, California · 15152 days ago · 4 km deep · 93 km away
  4. 1.98 km ENE of Morgan Hill, California · 15151 days ago · 3 km deep · 14 km away
  5. 3.216 km E of Seven Trees, California · 15150 days ago · 6 km deep · 1 km away
  6. 1.516 km E of Seven Trees, California · 15150 days ago · 5 km deep · 1 km away
  7. 1.65 km NE of East Foothills, California · 15149 days ago · 5 km deep · 18 km away
  8. 2.514 km N of Morgan Hill, California · 15149 days ago · 4 km deep · 2 km away
  9. 1.67 km ENE of San Martin, California · 15148 days ago · 3 km deep · 21 km away
  10. 2.12 km ENE of Berkeley, California · 15148 days ago · 9 km deep · 85 km away
  11. 1.627 km E of Tres Pinos, California · 15148 days ago · 4 km deep · 80 km away
  12. 1.77 km ENE of San Martin, California · 15148 days ago · 3 km deep · 21 km away
  13. 1.71 km N of Mountain View, California · 15148 days ago · 6 km deep · 41 km away
  14. 1.710 km NNE of Morgan Hill, California · 15147 days ago · 3 km deep · 7 km away
  15. 1.613 km N of Morgan Hill, California · 15146 days ago · 3 km deep · 3 km away
  16. 2.37 km ENE of San Martin, California · 15145 days ago · 3 km deep · 21 km away
  17. 1.710 km SW of Ridgemark, California · 15145 days ago · 8 km deep · 60 km away
  18. 2.516 km N of Morgan Hill, California · 15145 days ago · 8 km deep · 0 km away
  19. 1.814 km N of Morgan Hill, California · 15144 days ago · 5 km deep · 1 km away
  20. 1.924 km ENE of Soledad, California · 15144 days ago · 8 km deep · 97 km away
  21. 2.9Central California · 15144 days ago · 7 km deep · 90 km away
  22. 3.326 km NE of Soledad, California · 15144 days ago · 8 km deep · 90 km away
  23. 2.011 km NNW of Hollister, California · 15143 days ago · 7 km deep · 40 km away
  24. 1.617 km ENE of East Foothills, California · 15143 days ago · 5 km deep · 17 km away
  25. 2.412 km NNE of East Foothills, California · 15141 days ago · 8 km deep · 25 km away
  26. 2.722 km NE of Soledad, California · 15141 days ago · 2 km deep · 87 km away
  27. 2.46 km E of Fremont, California · 15141 days ago · 9 km deep · 38 km away
  28. 1.86 km SSW of Sunol, California · 15141 days ago · 9 km deep · 38 km away
  29. 1.65 km E of Fremont, California · 15141 days ago · 9 km deep · 39 km away
  30. 1.75 km E of Fremont, California · 15141 days ago · 10 km deep · 39 km away
  31. 1.66 km E of Fremont, California · 15141 days ago · 10 km deep · 38 km away
  32. 3.112 km N of Morgan Hill, California · 15141 days ago · 5 km deep · 4 km away
  33. 1.717 km S of Davenport, California · 15140 days ago · 3 km deep · 68 km away
  34. 2.412 km N of Morgan Hill, California · 15139 days ago · 5 km deep · 4 km away
  35. 1.711 km S of Tres Pinos, California · 15139 days ago · 10 km deep · 72 km away
  36. 1.813 km N of Morgan Hill, California · 15139 days ago · 4 km deep · 3 km away
  37. 1.814 km N of Morgan Hill, California · 15139 days ago · 6 km deep · 1 km away
  38. 1.529 km SSW of Los Banos, California · 15138 days ago · 2 km deep · 83 km away
  39. 1.64 km W of South Dos Palos, California · 15138 days ago · 10 km deep · 91 km away
  40. 2.44 km WNW of Saratoga, California · 15136 days ago · 4 km deep · 37 km away
  41. 2.04 km SW of Cupertino, California · 15136 days ago · 5 km deep · 37 km away
  42. 1.927 km E of Tres Pinos, California · 15136 days ago · 4 km deep · 80 km away
  43. 2.126 km NE of Soledad, California · 15135 days ago · 8 km deep · 94 km away
  44. 1.99 km SSW of Ridgemark, California · 15134 days ago · 7 km deep · 64 km away
  45. 2.419 km SSW of Santa Cruz, California · 15134 days ago · 3 km deep · 65 km away
  46. 1.914 km E of Seven Trees, California · 15134 days ago · 5 km deep · 4 km away
  47. 2.03 km ESE of Aromas, California · 15133 days ago · 7 km deep · 44 km away
  48. 2.4Northern California · 15132 days ago · 8 km deep · 31 km away
  49. 2.68 km ENE of Morgan Hill, California · 15132 days ago · 3 km deep · 15 km away
  50. 1.816 km E of Seven Trees, California · 15131 days ago · 8 km deep · 1 km away
  51. 1.68 km ESE of East Foothills, California · 15130 days ago · 7 km deep · 11 km away
  52. 1.79 km ESE of East Foothills, California · 15130 days ago · 7 km deep · 11 km away
  53. 2.59 km S of Tres Pinos, California · 15130 days ago · 2 km deep · 69 km away
  54. 2.39 km S of Tres Pinos, California · 15130 days ago · 3 km deep · 69 km away
  55. 1.516 km SSE of Tres Pinos, California · 15130 days ago · 5 km deep · 77 km away
  56. 1.74 km SE of Portola Valley, California · 15130 days ago · 10 km deep · 50 km away
  57. 2.010 km S of Tres Pinos, California · 15129 days ago · 3 km deep · 71 km away
  58. 2.23 km ESE of Berkeley, California · 15129 days ago · 8 km deep · 83 km away
  59. 2.713 km ESE of Alum Rock, California · 15129 days ago · 7 km deep · 6 km away
  60. 2.318 km SSE of Tres Pinos, California · 15128 days ago · 6 km deep · 79 km away

The first 60 of 139.

Before

  1. 2.7Central California · 15155 days ago · 5 km deep · 94 km away
  2. 1.79 km ENE of Morgan Hill, California · 15156 days ago · 5 km deep · 15 km away
  3. 1.99 km NNW of Hollister, California · 15156 days ago · 2 km deep · 42 km away
  4. 3.027 km E of Tres Pinos, California · 15157 days ago · 5 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc44792. Read Tue, Sep 22, 2026, 12:20 PM UTC.