California earthquakes

M1.7 earthquake Central California

A magnitude 1.7 earthquake struck in Central California on Thu, Mar 27, 1980, 5:18 AM PST (13:18 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M4.7 7 km SSE of San Juan Bautista, California. This one was a foreshock.

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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
1980-03-27 13:18:34 UTC
Depth
3.0 km (1.9 mi), shallow
Epicenter
36.437° N, 121.002° 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 0.5 km horizontally, 3.7 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
196°, poorly surrounded by stations
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 193 in the 60 days after this one and 93 in the 30 days before it.

After

  1. 1.95 km SSW of Gilroy, California · 16991 days ago · 6 km deep · 78 km away
  2. 2.3Central California · 16991 days ago · 7 km deep · 59 km away
  3. 1.85 km NE of Big Sur, California · 16990 days ago · 11 km deep · 70 km away
  4. 1.91 km WSW of Ridgemark, California · 16989 days ago · 7 km deep · 54 km away
  5. 1.76 km SSW of Ridgemark, California · 16989 days ago · 8 km deep · 51 km away
  6. 1.811 km S of Tres Pinos, California · 16988 days ago · 3 km deep · 39 km away
  7. 1.824 km NE of Soledad, California · 16988 days ago · 11 km deep · 20 km away
  8. 1.69 km NE of Gilroy, California · 16988 days ago · 9 km deep · 83 km away
  9. 2.110 km E of San Martin, California · 16988 days ago · 10 km deep · 84 km away
  10. 2.613 km SSE of Parkfield, California · 16987 days ago · 8 km deep · 92 km away
  11. 2.98 km NE of Interlaken, California · 16987 days ago · 3 km deep · 87 km away
  12. 1.62 km NNW of Hollister, California · 16987 days ago · 4 km deep · 61 km away
  13. 1.814 km ENE of Gonzales, California · 16987 days ago · 8 km deep · 31 km away
  14. 1.59 km NNW of Hollister, California · 16986 days ago · 4 km deep · 68 km away
  15. 2.322 km NE of Soledad, California · 16986 days ago · 3 km deep · 20 km away
  16. 1.722 km NNE of Soledad, California · 16985 days ago · 2 km deep · 25 km away
  17. 2.37 km ENE of Gilroy, California · 16985 days ago · 4 km deep · 79 km away
  18. 2.223 km NE of San Ardo, California · 16985 days ago · 7 km deep · 35 km away
  19. 2.324 km NE of Greenfield, California · 16985 days ago · 5 km deep · 3 km away
  20. 1.724 km NE of Greenfield, California · 16984 days ago · 6 km deep · 3 km away
  21. 1.69 km NE of Gilroy, California · 16984 days ago · 8 km deep · 82 km away
  22. 2.224 km NE of Greenfield, California · 16984 days ago · 7 km deep · 3 km away
  23. 1.89 km ENE of Gilroy, California · 16984 days ago · 9 km deep · 80 km away
  24. 1.722 km NE of San Lucas, California · 16984 days ago · 7 km deep · 21 km away
  25. 2.22 km NNW of Aromas, California · 16984 days ago · 11 km deep · 79 km away
  26. 1.68 km SSE of San Juan Bautista, California · 16983 days ago · 6 km deep · 58 km away
  27. 1.64 km SSW of Tres Pinos, California · 16983 days ago · 4 km deep · 46 km away
  28. 1.95 km SW of Gilroy, California · 16983 days ago · 5 km deep · 82 km away
  29. 2.28 km N of Hollister, California · 16982 days ago · 9 km deep · 65 km away
  30. 1.6Central California · 16982 days ago · 7 km deep · 61 km away
  31. 1.7Central California · 16981 days ago · 5 km deep · 58 km away
  32. 2.911 km S of Tres Pinos, California · 16981 days ago · 4 km deep · 40 km away
  33. 1.615 km NW of Parkfield, California · 16981 days ago · 4 km deep · 63 km away
  34. 2.615 km NW of Parkfield, California · 16981 days ago · 4 km deep · 63 km away
  35. 3.115 km NW of Parkfield, California · 16981 days ago · 2 km deep · 63 km away
  36. 3.615 km NW of Parkfield, California · 16981 days ago · 3 km deep · 63 km away
  37. 1.811 km SSW of Tres Pinos, California · 16981 days ago · 7 km deep · 43 km away
  38. 1.59 km SSW of Tres Pinos, California · 16980 days ago · 2 km deep · 44 km away
  39. 2.323 km NE of San Lucas, California · 16980 days ago · 8 km deep · 19 km away
  40. 2.09 km NE of Gilroy, California · 16980 days ago · 9 km deep · 83 km away
  41. 1.714 km SSE of Tres Pinos, California · 16980 days ago · 5 km deep · 34 km away
  42. 2.121 km NE of Soledad, California · 16979 days ago · 6 km deep · 19 km away
  43. 2.85 km SSE of San Juan Bautista, California · 16979 days ago · 7 km deep · 61 km away
  44. 2.124 km NE of Greenfield, California · 16979 days ago · 6 km deep · 4 km away
  45. 2.022 km NE of Soledad, California · 16978 days ago · 3 km deep · 16 km away
  46. 2.335 km WNW of San Simeon, California · 16978 days ago · 0 km deep · 91 km away
  47. 2.22 km WSW of Hollister, California · 16978 days ago · 3 km deep · 59 km away
  48. 2.3Central California · 16978 days ago · 4 km deep · 39 km away
  49. 1.936 km WNW of San Simeon, California · 16977 days ago · 8 km deep · 95 km away
  50. 1.74 km N of Greenfield, California · 16976 days ago · 17 km deep · 24 km away
  51. 1.516 km SSE of Tres Pinos, California · 16976 days ago · 4 km deep · 34 km away
  52. 1.77 km NNE of Hollister, California · 16976 days ago · 6 km deep · 61 km away
  53. 2.017 km SSE of Tres Pinos, California · 16975 days ago · 6 km deep · 32 km away
  54. 1.93 km NW of Carmel Valley Village, California · 16975 days ago · 15 km deep · 71 km away
  55. 1.821 km SW of Three Rocks, California · 16975 days ago · 15 km deep · 39 km away
  56. 1.58 km ENE of San Martin, California · 16975 days ago · 8 km deep · 89 km away
  57. 1.823 km NE of San Ardo, California · 16975 days ago · 7 km deep · 35 km away
  58. 4.77 km SSE of San Juan Bautista, California · 16975 days ago · 8 km deep · 60 km away
  59. 1.86 km SSE of San Juan Bautista, California · 16975 days ago · 7 km deep · 60 km away
  60. 3.25 km SSE of San Juan Bautista, California · 16975 days ago · 7 km deep · 61 km away

The first 60 of 193.

Before

  1. 1.624 km NE of Greenfield, CA · 16991 days ago · 8 km deep · 6 km away
  2. 1.623 km ENE of San Lucas, California · 16992 days ago · 6 km deep · 29 km away
  3. 3.013 km NNE of Shandon, California · 16992 days ago · 1 km deep · 97 km away
  4. 2.935 km NW of San Simeon, California · 16995 days ago · 1 km deep · 77 km away
  5. 2.636 km NW of San Simeon, California · 16995 days ago · 6 km deep · 76 km away
  6. 1.811 km NNW of Hollister, California · 16995 days ago · 4 km deep · 70 km away
  7. 1.59 km NE of San Martin, California · 16996 days ago · 7 km deep · 92 km away
  8. 1.916 km NNE of Soledad, California · 16996 days ago · 9 km deep · 28 km away
  9. 2.123 km W of San Simeon, California · 16997 days ago · 7 km deep · 96 km away
  10. 1.623 km NE of San Ardo, California · 16997 days ago · 3 km deep · 35 km away
  11. 1.85 km SSW of Ridgemark, California · 16998 days ago · 8 km deep · 50 km away
  12. 1.57 km E of Gilroy, California · 16998 days ago · 5 km deep · 78 km away
  13. 1.58 km N of Hollister, California · 16998 days ago · 8 km deep · 64 km away
  14. 2.239 km W of Three Rocks, California · 16998 days ago · 4 km deep · 20 km away
  15. 1.926 km NE of Greenfield, California · 16998 days ago · 6 km deep · 3 km away
  16. 2.28 km SSW of Tres Pinos, California · 16999 days ago · 2 km deep · 44 km away
  17. 1.85 km SW of Gilroy, California · 16999 days ago · 3 km deep · 81 km away
  18. 2.230 km W of San Simeon, California · 16999 days ago · 9 km deep · 98 km away
  19. 2.93 km ESE of Aromas, California · 16999 days ago · 5 km deep · 73 km away
  20. 2.113 km SW of Soledad, California · 16999 days ago · 0 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1051778. Read Sat, Oct 3, 2026, 7:01 PM UTC.