California earthquakes

M2.3 earthquake 5 km E of Fremont, California

A magnitude 2.3 earthquake struck 5 km E of Fremont, California on Sun, Mar 16, 1986, 8:25 PM PST (04:25 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M5.7 15 km NE of East Foothills, California. This one was a foreshock.

Fremont 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
2.3 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1986-03-17 04:25:05 UTC
Depth
9.4 km (5.9 mi), shallow
Epicenter
37.544° N, 121.925° 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
±0.14
Depth from
From location
Station coverage gap
36°
Stations used
52

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 190 in the 60 days after this one and 91 in the 30 days before it.

After

  1. 1.79 km ENE of Morgan Hill, California · 14809 days ago · 5 km deep · 54 km away
  2. 1.61 km SW of Tres Pinos, California · 14808 days ago · 4 km deep · 100 km away
  3. 1.79 km NNE of Tres Pinos, California · 14806 days ago · 8 km deep · 94 km away
  4. 1.613 km N of Morgan Hill, California · 14806 days ago · 3 km deep · 42 km away
  5. 1.515 km NE of East Foothills, California · 14805 days ago · 8 km deep · 22 km away
  6. 2.014 km E of Seven Trees, California · 14805 days ago · 2 km deep · 35 km away
  7. 2.113 km ESE of East Foothills, California · 14805 days ago · 8 km deep · 32 km away
  8. 2.75 km NE of Hollister, California · 14804 days ago · 6 km deep · 89 km away
  9. 1.55 km NE of Hollister, California · 14803 days ago · 6 km deep · 89 km away
  10. 2.35 km NE of Tres Pinos, California · 14803 days ago · 8 km deep · 98 km away
  11. 2.08 km ENE of Hollister, California · 14803 days ago · 5 km deep · 91 km away
  12. 2.19 km E of Elmira, California · 14802 days ago · 17 km deep · 89 km away
  13. 1.8Central California · 14802 days ago · 8 km deep · 98 km away
  14. 2.915 km NE of East Foothills, California · 14802 days ago · 9 km deep · 22 km away
  15. 2.616 km NE of East Foothills, California · 14802 days ago · 8 km deep · 22 km away
  16. 1.711 km NNE of Hollister, California · 14802 days ago · 6 km deep · 84 km away
  17. 1.616 km NE of East Foothills, California · 14802 days ago · 8 km deep · 22 km away
  18. 1.9Northern California · 14802 days ago · 8 km deep · 22 km away
  19. 1.67 km NNE of Tres Pinos, California · 14801 days ago · 7 km deep · 95 km away
  20. 1.85 km NNE of Tres Pinos, California · 14801 days ago · 4 km deep · 96 km away
  21. 2.16 km NNE of Tres Pinos, California · 14800 days ago · 4 km deep · 95 km away
  22. 2.44 km NE of Tres Pinos, California · 14800 days ago · 8 km deep · 99 km away
  23. 1.82 km ENE of Diablo, California · 14800 days ago · 8 km deep · 33 km away
  24. 2.11 km NW of Concord, California · 14799 days ago · 15 km deep · 50 km away
  25. 2.05 km NE of Hollister, California · 14798 days ago · 5 km deep · 89 km away
  26. 3.214 km N of Morgan Hill, California · 14798 days ago · 6 km deep · 41 km away
  27. 1.92 km SSW of San Juan Bautista, California · 14797 days ago · 6 km deep · 87 km away
  28. 4.12 km W of Orinda, California · 14796 days ago · 12 km deep · 44 km away
  29. 1.82 km WSW of Orinda, California · 14796 days ago · 9 km deep · 44 km away
  30. 2.42 km W of Orinda, California · 14796 days ago · 11 km deep · 45 km away
  31. 1.83 km W of Orinda, California · 14796 days ago · 11 km deep · 45 km away
  32. 1.93 km W of Orinda, California · 14796 days ago · 10 km deep · 45 km away
  33. 2.33 km W of Orinda, California · 14796 days ago · 9 km deep · 45 km away
  34. 2.13 km W of Orinda, California · 14796 days ago · 9 km deep · 45 km away
  35. 2.42 km W of Orinda, California · 14796 days ago · 10 km deep · 45 km away
  36. 1.63 km W of Orinda, California · 14796 days ago · 9 km deep · 45 km away
  37. 2.24 km NNE of Tres Pinos, California · 14796 days ago · 5 km deep · 97 km away
  38. 2.32 km W of Orinda, California · 14796 days ago · 11 km deep · 45 km away
  39. 1.82 km W of Orinda, California · 14796 days ago · 10 km deep · 44 km away
  40. 1.63 km W of Orinda, California · 14796 days ago · 10 km deep · 45 km away
  41. 2.00 km NNW of Concord, California · 14796 days ago · 16 km deep · 50 km away
  42. 2.715 km NE of East Foothills, California · 14795 days ago · 8 km deep · 22 km away
  43. 2.62 km W of Orinda, California · 14795 days ago · 11 km deep · 45 km away
  44. 2.32 km W of Orinda, California · 14795 days ago · 11 km deep · 45 km away
  45. 1.93 km W of Orinda, California · 14795 days ago · 10 km deep · 45 km away
  46. 1.82 km W of Orinda, California · 14795 days ago · 10 km deep · 45 km away
  47. 5.715 km NE of East Foothills, California · 14795 days ago · 9 km deep · 22 km away
  48. 3.214 km NE of East Foothills, California · 14795 days ago · 8 km deep · 23 km away
  49. 2.914 km NE of East Foothills, California · 14795 days ago · 9 km deep · 22 km away
  50. 3.217 km NE of East Foothills, California · 14795 days ago · 7 km deep · 21 km away
  51. 2.215 km NE of East Foothills, California · 14795 days ago · 7 km deep · 23 km away
  52. 1.915 km NE of East Foothills, California · 14795 days ago · 6 km deep · 22 km away
  53. 2.3Northern California · 14795 days ago · 6 km deep · 22 km away
  54. 2.217 km NE of East Foothills, California · 14795 days ago · 8 km deep · 21 km away
  55. 1.814 km ENE of East Foothills, California · 14795 days ago · 8 km deep · 24 km away
  56. 1.714 km NE of East Foothills, California · 14795 days ago · 2 km deep · 22 km away
  57. 2.816 km NE of East Foothills, California · 14795 days ago · 8 km deep · 21 km away
  58. 1.715 km NE of East Foothills, California · 14795 days ago · 8 km deep · 23 km away
  59. 1.715 km NE of East Foothills, California · 14795 days ago · 9 km deep · 23 km away
  60. 1.516 km NE of East Foothills, California · 14795 days ago · 7 km deep · 22 km away

The first 60 of 190.

Before

  1. 1.8Central California · 14809 days ago · 7 km deep · 93 km away
  2. 1.86 km NE of Ridgemark, California · 14810 days ago · 7 km deep · 94 km away
  3. 2.015 km N of Morgan Hill, California · 14810 days ago · 2 km deep · 39 km away
  4. 1.76 km NE of Ridgemark, California · 14811 days ago · 5 km deep · 94 km away
  5. 1.65 km NNE of Tres Pinos, California · 14812 days ago · 6 km deep · 97 km away
  6. 1.69 km E of San Martin, California · 14813 days ago · 8 km deep · 63 km away
  7. 1.61 km S of Ridgemark, California · 14814 days ago · 4 km deep · 97 km away
  8. 1.71 km S of Ridgemark, California · 14814 days ago · 4 km deep · 96 km away
  9. 1.73 km N of East Foothills, California · 14814 days ago · 0 km deep · 17 km away
  10. 1.96 km WSW of Gilroy, California · 14814 days ago · 6 km deep · 67 km away
  11. 1.65 km NNE of Tres Pinos, California · 14816 days ago · 4 km deep · 97 km away
  12. 1.715 km N of Morgan Hill, California · 14816 days ago · 6 km deep · 39 km away
  13. 1.68 km ENE of Gilroy, California · 14816 days ago · 6 km deep · 70 km away
  14. 1.66 km NNE of Tres Pinos, California · 14817 days ago · 3 km deep · 96 km away
  15. 1.95 km NNE of Tres Pinos, California · 14817 days ago · 4 km deep · 96 km away
  16. 2.52 km SW of Broadmoor, California · 14817 days ago · 5 km deep · 52 km away
  17. 3.02 km SW of Broadmoor, California · 14817 days ago · 5 km deep · 52 km away
  18. 1.714 km E of Seven Trees, California · 14818 days ago · 3 km deep · 36 km away
  19. 1.614 km E of Seven Trees, California · 14818 days ago · 1 km deep · 36 km away
  20. 1.65 km NNE of Tres Pinos, California · 14818 days ago · 6 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc68207. Read Fri, Oct 2, 2026, 12:41 AM UTC.