California earthquakes

M1.9 earthquake 9 km NE of Gilroy, California

A magnitude 1.9 earthquake struck 9 km NE of Gilroy, California on Thu, Sep 27, 1984, 2:08 PM PDT (21:08 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.0 21 km NE of Soledad, California. This one was a foreshock.

Gilroy forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1984-09-27 21:08:43 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
37.055° N, 121.486° 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, 0.3 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
31°
Stations used
60

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 165 in the 60 days after this one and 91 in the 30 days before it.

After

  1. 1.611 km ESE of East Foothills, California · 15345 days ago · 7 km deep · 36 km away
  2. 2.09 km ESE of East Foothills, California · 15345 days ago · 5 km deep · 39 km away
  3. 1.618 km ESE of Tres Pinos, California · 15344 days ago · 5 km deep · 48 km away
  4. 1.54 km NNE of East Foothills, California · 15344 days ago · 1 km deep · 49 km away
  5. 1.612 km SW of Carmel Valley Village, California · 15343 days ago · 10 km deep · 78 km away
  6. 1.911 km ESE of East Foothills, California · 15343 days ago · 7 km deep · 37 km away
  7. 1.716 km E of Seven Trees, California · 15342 days ago · 7 km deep · 29 km away
  8. 1.69 km NE of Gilroy, California · 15342 days ago · 8 km deep · 0 km away
  9. 1.714 km N of Morgan Hill, California · 15341 days ago · 6 km deep · 26 km away
  10. 1.618 km E of Seven Trees, California · 15341 days ago · 5 km deep · 30 km away
  11. 1.67 km NE of East Foothills, California · 15340 days ago · 10 km deep · 49 km away
  12. 1.86 km ENE of Milpitas, California · 15340 days ago · 1 km deep · 55 km away
  13. 1.55 km SSW of Gilroy, California · 15339 days ago · 3 km deep · 14 km away
  14. 1.622 km NE of Soledad, California · 15338 days ago · 2 km deep · 66 km away
  15. 1.73 km E of Brentwood, California · 15338 days ago · 0 km deep · 98 km away
  16. 1.68 km NE of San Martin, California · 15338 days ago · 7 km deep · 10 km away
  17. 1.88 km SSW of Tres Pinos, California · 15338 days ago · 3 km deep · 40 km away
  18. 1.617 km ESE of Tres Pinos, California · 15338 days ago · 0 km deep · 47 km away
  19. 2.81 km NW of Hollister, California · 15337 days ago · 4 km deep · 22 km away
  20. 2.024 km ENE of Soledad, California · 15337 days ago · 2 km deep · 72 km away
  21. 4.021 km NE of Soledad, California · 15337 days ago · 8 km deep · 60 km away
  22. 2.337 km SSW of South Dos Palos, California · 15337 days ago · 6 km deep · 71 km away
  23. 2.513 km N of Morgan Hill, California · 15337 days ago · 4 km deep · 26 km away
  24. 1.813 km N of Morgan Hill, California · 15337 days ago · 4 km deep · 26 km away
  25. 2.69 km ENE of Seven Trees, California · 15337 days ago · 6 km deep · 36 km away
  26. 1.63 km SSE of Pleasanton, California · 15337 days ago · 4 km deep · 73 km away
  27. 1.55 km NE of Fairview, California · 15337 days ago · 7 km deep · 86 km away
  28. 1.69 km NNE of Morgan Hill, California · 15336 days ago · 3 km deep · 19 km away
  29. 1.69 km ENE of Seven Trees, California · 15336 days ago · 5 km deep · 36 km away
  30. 2.329 km NE of Soledad, California · 15336 days ago · 5 km deep · 65 km away
  31. 2.312 km ESE of East Foothills, California · 15336 days ago · 6 km deep · 35 km away
  32. 1.79 km ENE of Seven Trees, California · 15336 days ago · 5 km deep · 36 km away
  33. 1.713 km SW of Soledad, California · 15336 days ago · 12 km deep · 79 km away
  34. 1.611 km ESE of East Foothills, California · 15335 days ago · 6 km deep · 38 km away
  35. 2.619 km ENE of Gonzales, California · 15335 days ago · 6 km deep · 55 km away
  36. 3.11 km SW of Hollister, California · 15335 days ago · 9 km deep · 24 km away
  37. 1.66 km NE of Interlaken, California · 15334 days ago · 8 km deep · 18 km away
  38. 2.92 km SSW of San Juan Bautista, California · 15334 days ago · 5 km deep · 26 km away
  39. 2.82 km SSW of San Juan Bautista, California · 15334 days ago · 5 km deep · 26 km away
  40. 2.32 km SSW of San Juan Bautista, California · 15334 days ago · 5 km deep · 26 km away
  41. 2.62 km S of San Juan Bautista, California · 15334 days ago · 6 km deep · 27 km away
  42. 1.52 km SSW of San Juan Bautista, California · 15333 days ago · 5 km deep · 27 km away
  43. 2.015 km E of Seven Trees, California · 15333 days ago · 3 km deep · 30 km away
  44. 1.621 km NE of Soledad, California · 15333 days ago · 6 km deep · 60 km away
  45. 2.218 km ESE of East Foothills, California · 15332 days ago · 0 km deep · 33 km away
  46. 1.611 km SE of Sunol, California · 15332 days ago · 8 km deep · 59 km away
  47. 1.921 km NE of Soledad, California · 15332 days ago · 7 km deep · 60 km away
  48. 1.62 km ESE of Tres Pinos, California · 15331 days ago · 7 km deep · 35 km away
  49. 2.510 km N of Morgan Hill, California · 15331 days ago · 7 km deep · 24 km away
  50. 2.121 km SSE of Tres Pinos, California · 15330 days ago · 5 km deep · 54 km away
  51. 1.821 km SSE of Tres Pinos, California · 15330 days ago · 5 km deep · 54 km away
  52. 1.99 km N of Day Valley, California · 15329 days ago · 10 km deep · 35 km away
  53. 1.915 km E of Seven Trees, California · 15329 days ago · 5 km deep · 31 km away
  54. 2.17 km SSW of Merced, California · 15329 days ago · 16 km deep · 89 km away
  55. 1.88 km ENE of Gilroy, California · 15329 days ago · 8 km deep · 1 km away
  56. 1.924 km ENE of Greenfield, California · 15328 days ago · 6 km deep · 81 km away
  57. 1.89 km ESE of East Foothills, California · 15327 days ago · 6 km deep · 39 km away
  58. 2.412 km E of Blackhawk, California · 15327 days ago · 13 km deep · 88 km away
  59. 1.616 km N of Morgan Hill, California · 15327 days ago · 5 km deep · 29 km away
  60. 2.29 km SW of Ridgemark, California · 15327 days ago · 6 km deep · 33 km away

The first 60 of 165.

Before

  1. 1.56 km NE of Interlaken, California · 15345 days ago · 9 km deep · 18 km away
  2. 1.716 km E of Seven Trees, California · 15345 days ago · 5 km deep · 29 km away
  3. 2.07 km NE of Tracy, California · 15346 days ago · 13 km deep · 82 km away
  4. 1.725 km NE of Greenfield, California · 15346 days ago · 1 km deep · 80 km away
  5. 2.315 km SSE of Tres Pinos, California · 15346 days ago · 10 km deep · 48 km away
  6. 1.89 km ESE of East Foothills, California · 15346 days ago · 7 km deep · 39 km away
  7. 4.411 km ESE of East Foothills, California · 15346 days ago · 7 km deep · 37 km away
  8. 1.823 km ENE of Soledad, California · 15346 days ago · 5 km deep · 71 km away
  9. 1.615 km E of Seven Trees, California · 15347 days ago · 6 km deep · 29 km away
  10. 1.815 km E of Seven Trees, California · 15347 days ago · 5 km deep · 29 km away
  11. 1.712 km WSW of Byron, California · 15347 days ago · 12 km deep · 87 km away
  12. 2.51 km N of Monterey, California · 15348 days ago · 1 km deep · 61 km away
  13. 2.60 km NNE of Monterey, California · 15348 days ago · 0 km deep · 61 km away
  14. 1.611 km SW of Brentwood, California · 15348 days ago · 13 km deep · 92 km away
  15. 2.04 km ESE of Aromas, California · 15348 days ago · 5 km deep · 23 km away
  16. 2.012 km SW of Soledad, California · 15349 days ago · 10 km deep · 79 km away
  17. 1.617 km NNE of Morgan Hill, California · 15349 days ago · 2 km deep · 27 km away
  18. 2.39 km NW of Hollister, California · 15349 days ago · 4 km deep · 15 km away
  19. 1.614 km N of Morgan Hill, California · 15350 days ago · 5 km deep · 27 km away
  20. 1.737 km ESE of Tres Pinos, California · 15350 days ago · 5 km deep · 68 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc28862. Read Fri, Oct 2, 2026, 11:47 PM UTC.