California earthquakes

M1.8 earthquake 8 km ENE of Gilroy, California

A magnitude 1.8 earthquake struck 8 km ENE of Gilroy, California on Sun, Dec 30, 1979, 7:44 PM PST (03:44 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M5.8 The 1980 Livermore, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1979-12-31 03:44:26 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
37.047° N, 121.488° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
95°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 192 in the 60 days after this one and 97 in the 30 days before it.

After

  1. 1.924 km NE of Greenfield, California · 17076 days ago · 6 km deep · 76 km away
  2. 1.924 km NE of Greenfield, California · 17075 days ago · 6 km deep · 76 km away
  3. 1.67 km ENE of Gilroy, California · 17075 days ago · 7 km deep · 3 km away
  4. 2.422 km WNW of Diablo Grande, California · 17075 days ago · 6 km deep · 45 km away
  5. 1.924 km ENE of Soledad, California · 17075 days ago · 4 km deep · 71 km away
  6. 1.69 km NE of San Juan Bautista, California · 17075 days ago · 5 km deep · 15 km away
  7. 2.29 km ENE of Gilroy, California · 17074 days ago · 9 km deep · 3 km away
  8. 2.122 km NNE of Soledad, California · 17073 days ago · 6 km deep · 56 km away
  9. 1.623 km ENE of Soledad, California · 17073 days ago · 3 km deep · 70 km away
  10. 2.122 km ENE of Soledad, California · 17073 days ago · 2 km deep · 66 km away
  11. 2.421 km NE of Soledad, California · 17073 days ago · 5 km deep · 59 km away
  12. 2.322 km E of East Foothills, California · 17073 days ago · 6 km deep · 39 km away
  13. 1.54 km SSE of Sunol, California · 17071 days ago · 8 km deep · 66 km away
  14. 2.621 km NE of Soledad, California · 17071 days ago · 5 km deep · 59 km away
  15. 2.222 km NE of Soledad, California · 17071 days ago · 2 km deep · 64 km away
  16. 1.59 km E of San Martin, California · 17071 days ago · 9 km deep · 6 km away
  17. 1.69 km NNW of Hollister, California · 17071 days ago · 7 km deep · 13 km away
  18. 1.622 km NE of Soledad, California · 17070 days ago · 2 km deep · 64 km away
  19. 1.522 km NE of Soledad, California · 17070 days ago · 2 km deep · 64 km away
  20. 1.8Northern California · 17070 days ago · 9 km deep · 1 km away
  21. 1.822 km NE of Soledad, California · 17069 days ago · 8 km deep · 64 km away
  22. 1.722 km NE of Soledad, California · 17069 days ago · 8 km deep · 64 km away
  23. 1.712 km ESE of Gilroy, California · 17069 days ago · 5 km deep · 10 km away
  24. 1.68 km E of Gilroy, California · 17068 days ago · 4 km deep · 5 km away
  25. 1.53 km NNW of Hollister, California · 17068 days ago · 6 km deep · 19 km away
  26. 2.622 km NNE of Soledad, California · 17068 days ago · 7 km deep · 56 km away
  27. 2.58 km SW of Brentwood, California · 17068 days ago · 6 km deep · 95 km away
  28. 1.719 km ESE of East Foothills, California · 17067 days ago · 6 km deep · 32 km away
  29. 1.814 km E of Seven Trees, California · 17067 days ago · 1 km deep · 32 km away
  30. 1.921 km NE of Soledad, California · 17067 days ago · 6 km deep · 59 km away
  31. 2.28 km E of San Martin, California · 17066 days ago · 7 km deep · 6 km away
  32. 2.19 km ENE of Gilroy, California · 17066 days ago · 8 km deep · 2 km away
  33. 2.517 km SSE of Tres Pinos, California · 17064 days ago · 4 km deep · 50 km away
  34. 1.623 km SE of Livermore, California · 17064 days ago · 7 km deep · 55 km away
  35. 2.06 km WSW of Gilroy, California · 17063 days ago · 4 km deep · 15 km away
  36. 1.74 km WSW of Keyes, California · 17063 days ago · 5 km deep · 72 km away
  37. 2.216 km E of Seven Trees, California · 17062 days ago · 7 km deep · 31 km away
  38. 1.923 km NE of King City, California · 17062 days ago · 8 km deep · 89 km away
  39. 1.917 km SSE of Tres Pinos, California · 17062 days ago · 5 km deep · 50 km away
  40. 1.79 km NNW of Hollister, California · 17061 days ago · 6 km deep · 13 km away
  41. 2.0Central California · 17060 days ago · 5 km deep · 91 km away
  42. 2.610 km S of Tres Pinos, CA · 17060 days ago · 2 km deep · 40 km away
  43. 1.6Central California · 17060 days ago · 7 km deep · 77 km away
  44. 2.211 km ESE of Big Sur, California · 17060 days ago · 15 km deep · 94 km away
  45. 3.64 km ENE of Day Valley, California · 17060 days ago · 16 km deep · 29 km away
  46. 2.110 km NE of Gilroy, California · 17059 days ago · 9 km deep · 3 km away
  47. 2.19 km E of San Martin, California · 17059 days ago · 9 km deep · 4 km away
  48. 1.67 km SSE of Gilroy, California · 17059 days ago · 5 km deep · 12 km away
  49. 2.817 km ESE of East Foothills, California · 17059 days ago · 8 km deep · 34 km away
  50. 2.324 km NE of Greenfield, California · 17059 days ago · 0 km deep · 77 km away
  51. 1.79 km NE of Milpitas, California · 17058 days ago · 7 km deep · 57 km away
  52. 2.024 km NE of Greenfield, California · 17058 days ago · 1 km deep · 78 km away
  53. 1.68 km NE of San Martin, California · 17058 days ago · 6 km deep · 11 km away
  54. 2.812 km ESE of Alum Rock, California · 17058 days ago · 8 km deep · 35 km away
  55. 2.110 km S of Tres Pinos, California · 17057 days ago · 6 km deep · 41 km away
  56. 1.826 km NE of Greenfield, California · 17056 days ago · 5 km deep · 77 km away
  57. 1.616 km SSE of Tres Pinos, California · 17056 days ago · 3 km deep · 49 km away
  58. 1.69 km NE of Gilroy, California · 17056 days ago · 5 km deep · 3 km away
  59. 2.53 km WSW of San Juan Bautista, California · 17055 days ago · 8 km deep · 25 km away
  60. 1.823 km NE of Greenfield, California · 17055 days ago · 6 km deep · 77 km away

The first 60 of 192.

Before

  1. 2.126 km ESE of Big Sur, California · 17077 days ago · 5 km deep · 99 km away
  2. 2.3Central California · 17077 days ago · 5 km deep · 16 km away
  3. 1.924 km NE of Soledad, California · 17077 days ago · 9 km deep · 63 km away
  4. 2.224 km NE of Greenfield, California · 17077 days ago · 6 km deep · 76 km away
  5. 1.611 km S of Tres Pinos, California · 17077 days ago · 8 km deep · 42 km away
  6. 2.024 km NE of Greenfield, California · 17077 days ago · 4 km deep · 77 km away
  7. 2.424 km NE of Greenfield, California · 17077 days ago · 5 km deep · 77 km away
  8. 2.69 km ENE of Gilroy, California · 17077 days ago · 7 km deep · 3 km away
  9. 2.49 km S of Tres Pinos, California · 17077 days ago · 2 km deep · 40 km away
  10. 1.79 km S of Tres Pinos, California · 17077 days ago · 2 km deep · 40 km away
  11. 1.724 km NE of Greenfield, California · 17077 days ago · 6 km deep · 76 km away
  12. 1.98 km ENE of San Martin, California · 17078 days ago · 7 km deep · 9 km away
  13. 2.44 km ESE of Lexington Hills, California · 17078 days ago · 11 km deep · 41 km away
  14. 2.924 km NE of Greenfield, California · 17078 days ago · 7 km deep · 76 km away
  15. 1.96 km NE of East Foothills, California · 17078 days ago · 8 km deep · 49 km away
  16. 1.623 km NE of King City, California · 17078 days ago · 4 km deep · 93 km away
  17. 1.59 km NE of Gilroy, California · 17078 days ago · 9 km deep · 3 km away
  18. 1.817 km ENE of East Foothills, California · 17079 days ago · 6 km deep · 44 km away
  19. 2.09 km NE of Gilroy, California · 17080 days ago · 9 km deep · 3 km away
  20. 2.49 km ENE of Gilroy, California · 17081 days ago · 9 km deep · 2 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1049639. Read Thu, Oct 1, 2026, 2:49 PM UTC.