California earthquakes

M1.7 earthquake 5 km SSW of Gilroy, California

A magnitude 1.7 earthquake struck 5 km SSW of Gilroy, California on Sun, Mar 11, 1984, 11:20 PM PST (07:20 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M6.2 The 1984 Morgan Hill, California Earthquake. This one was a foreshock.

Gilroy 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1984-03-12 07:20:34 UTC
Depth
2.0 km (1.3 mi), shallow
Epicenter
36.962° N, 121.587° 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 0.2 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
32°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 177 in the 60 days after this one and 49 in the 30 days before it.

After

  1. 1.524 km ENE of Greenfield, California · 15544 days ago · 5 km deep · 79 km away
  2. 1.89 km NNE of San Juan Bautista, California · 15543 days ago · 3 km deep · 9 km away
  3. 1.821 km NNE of Soledad, California · 15543 days ago · 8 km deep · 54 km away
  4. 1.919 km SE of Big Sur, California · 15543 days ago · 11 km deep · 93 km away
  5. 2.421 km SSW of Los Banos, California · 15540 days ago · 0 km deep · 55 km away
  6. 1.55 km NNW of Day Valley, California · 15539 days ago · 9 km deep · 30 km away
  7. 4.110 km NNE of Livermore, CA · 15538 days ago · 11 km deep · 89 km away
  8. 1.924 km NE of Greenfield, California · 15537 days ago · 7 km deep · 73 km away
  9. 1.917 km E of East Foothills, California · 15537 days ago · 7 km deep · 44 km away
  10. 1.99 km NNE of Hollister, California · 15536 days ago · 6 km deep · 22 km away
  11. 1.920 km W of Diablo Grande, California · 15536 days ago · 7 km deep · 50 km away
  12. 1.823 km NNE of San Lucas, California · 15535 days ago · 6 km deep · 95 km away
  13. 1.621 km NNE of Soledad, California · 15535 days ago · 8 km deep · 54 km away
  14. 1.723 km WNW of Three Rocks, California · 15533 days ago · 3 km deep · 95 km away
  15. 2.07 km NE of San Juan Bautista, California · 15533 days ago · 6 km deep · 13 km away
  16. 2.23 km SSW of Woodside, California · 15533 days ago · 8 km deep · 78 km away
  17. 2.221 km NE of Soledad, California · 15532 days ago · 7 km deep · 59 km away
  18. 1.625 km SE of Big Sur, California · 15532 days ago · 2 km deep · 95 km away
  19. 1.827 km NE of Soledad, California · 15531 days ago · 7 km deep · 63 km away
  20. 1.627 km NE of Soledad, California · 15531 days ago · 8 km deep · 64 km away
  21. 1.625 km NE of Greenfield, California · 15531 days ago · 7 km deep · 75 km away
  22. 1.69 km NE of San Martin, California · 15531 days ago · 8 km deep · 21 km away
  23. 4.010 km WSW of Ridgemark, California · 15530 days ago · 8 km deep · 25 km away
  24. 1.55 km E of Fremont, California · 15530 days ago · 6 km deep · 71 km away
  25. 1.67 km E of East Foothills, California · 15529 days ago · 6 km deep · 47 km away
  26. 4.33 km ENE of San Leandro, California · 15529 days ago · 7 km deep · 99 km away
  27. 2.63 km NE of San Leandro, California · 15529 days ago · 5 km deep · 99 km away
  28. 1.63 km NE of San Leandro, California · 15529 days ago · 5 km deep · 100 km away
  29. 1.52 km ENE of San Leandro, California · 15529 days ago · 3 km deep · 98 km away
  30. 2.02 km ESE of Tres Pinos, California · 15528 days ago · 7 km deep · 33 km away
  31. 2.63 km NE of San Leandro, California · 15528 days ago · 5 km deep · 99 km away
  32. 1.77 km NE of Tres Pinos, California · 15528 days ago · 6 km deep · 31 km away
  33. 1.71 km SW of Tres Pinos, California · 15527 days ago · 4 km deep · 30 km away
  34. 1.63 km ENE of San Leandro, California · 15527 days ago · 4 km deep · 98 km away
  35. 2.72 km ENE of San Leandro, California · 15527 days ago · 4 km deep · 98 km away
  36. 1.69 km ENE of Gilroy, California · 15527 days ago · 8 km deep · 13 km away
  37. 2.67 km E of East Foothills, California · 15526 days ago · 6 km deep · 48 km away
  38. 2.47 km E of East Foothills, California · 15526 days ago · 6 km deep · 47 km away
  39. 1.57 km ESE of East Foothills, California · 15526 days ago · 6 km deep · 47 km away
  40. 2.522 km NNE of Soledad, California · 15526 days ago · 4 km deep · 52 km away
  41. 1.67 km SSW of Ridgemark, California · 15525 days ago · 0 km deep · 30 km away
  42. 1.67 km E of East Foothills, California · 15525 days ago · 5 km deep · 47 km away
  43. 2.027 km WNW of Three Rocks, California · 15524 days ago · 8 km deep · 91 km away
  44. 2.322 km NE of Soledad, California · 15524 days ago · 3 km deep · 55 km away
  45. 2.316 km W of Volta, California · 15523 days ago · 0 km deep · 45 km away
  46. 1.55 km SSW of Gilroy, California · 15523 days ago · 3 km deep · 1 km away
  47. 1.924 km ENE of Soledad, California · 15523 days ago · 3 km deep · 69 km away
  48. 1.730 km WNW of Three Rocks, California · 15522 days ago · 7 km deep · 89 km away
  49. 2.13 km ENE of San Leandro, California · 15521 days ago · 6 km deep · 98 km away
  50. 2.35 km SSW of Gilroy, California · 15520 days ago · 3 km deep · 0 km away
  51. 1.510 km ENE of Blackhawk, California · 15520 days ago · 11 km deep · 100 km away
  52. 1.935 km SSW of South Dos Palos, California · 15520 days ago · 4 km deep · 71 km away
  53. 2.135 km SSW of South Dos Palos, California · 15520 days ago · 5 km deep · 72 km away
  54. 2.423 km ENE of Soledad, California · 15519 days ago · 4 km deep · 69 km away
  55. 2.124 km NE of Greenfield, California · 15519 days ago · 6 km deep · 73 km away
  56. 2.124 km ENE of Soledad, California · 15519 days ago · 4 km deep · 69 km away
  57. 2.88 km W of Diablo Grande, California · 15519 days ago · 10 km deep · 52 km away
  58. 1.95 km SSE of San Juan Bautista, California · 15518 days ago · 5 km deep · 19 km away
  59. 1.68 km ENE of Blackhawk, California · 15518 days ago · 10 km deep · 99 km away
  60. 2.224 km NE of Greenfield, California · 15517 days ago · 5 km deep · 73 km away

The first 60 of 177.

Before

  1. 3.15 km SSW of Gilroy, California · 15544 days ago · 3 km deep · 0 km away
  2. 2.325 km ENE of Greenfield, California · 15544 days ago · 1 km deep · 80 km away
  3. 2.525 km ENE of Greenfield, California · 15544 days ago · 1 km deep · 80 km away
  4. 1.66 km ENE of Carmel Valley Village, California · 15544 days ago · 14 km deep · 49 km away
  5. 1.522 km NNE of Soledad, California · 15546 days ago · 1 km deep · 53 km away
  6. 2.1Central California · 15546 days ago · 8 km deep · 12 km away
  7. 1.60 km NW of Big Sur, California · 15547 days ago · 5 km deep · 79 km away
  8. 2.117 km SSE of Tres Pinos, California · 15551 days ago · 4 km deep · 46 km away
  9. 2.013 km S of Tres Pinos, California · 15553 days ago · 4 km deep · 41 km away
  10. 2.112 km S of Tres Pinos, California · 15553 days ago · 2 km deep · 40 km away
  11. 1.911 km S of Tres Pinos, California · 15555 days ago · 4 km deep · 39 km away
  12. 1.616 km E of Big Sur, California · 15556 days ago · 15 km deep · 79 km away
  13. 2.616 km E of Seven Trees, California · 15556 days ago · 8 km deep · 36 km away
  14. 1.916 km E of Seven Trees, California · 15556 days ago · 8 km deep · 36 km away
  15. 1.616 km E of Seven Trees, California · 15556 days ago · 8 km deep · 36 km away
  16. 2.022 km NNE of Soledad, California · 15556 days ago · 8 km deep · 52 km away
  17. 2.611 km S of Tres Pinos, California · 15556 days ago · 2 km deep · 39 km away
  18. 2.316 km SSE of Livermore, California · 15557 days ago · 3 km deep · 66 km away
  19. 1.925 km ENE of Greenfield, California · 15558 days ago · 1 km deep · 78 km away
  20. 1.53 km SW of Ridgemark, California · 15559 days ago · 2 km deep · 26 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc10123. Read Fri, Oct 2, 2026, 11:12 AM UTC.