California earthquakes

M1.6 earthquake 2 km NE of Ridgemark, California

A magnitude 1.6 earthquake struck 2 km NE of Ridgemark, California on Mon, Nov 14, 1977, 1:33 PM PST (21:33 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M1.6 3 km S of San Juan Bautista, California. This one was a foreshock.

Ridgemark 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
1.6 (md), micro
Local time
UTC
1977-11-14 21:33:36 UTC
Depth
6.1 km (3.8 mi), shallow
Epicenter
36.825° N, 121.344° 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, 0.6 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
61°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 156 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 1.68 km SSW of Tres Pinos, California · 17843 days ago · 3 km deep · 12 km away
  2. 1.63 km S of San Juan Bautista, California · 17842 days ago · 7 km deep · 17 km away
  3. 1.51 km E of Tres Pinos, California · 17842 days ago · 8 km deep · 6 km away
  4. 2.216 km E of Seven Trees, California · 17841 days ago · 8 km deep · 58 km away
  5. 2.021 km NE of San Ardo, California · 17841 days ago · 3 km deep · 89 km away
  6. 1.621 km NE of Soledad, California · 17841 days ago · 5 km deep · 31 km away
  7. 1.921 km NE of Soledad, California · 17841 days ago · 5 km deep · 31 km away
  8. 1.624 km NE of Soledad, California · 17841 days ago · 11 km deep · 34 km away
  9. 1.94 km SE of Tres Pinos, California · 17841 days ago · 8 km deep · 8 km away
  10. 1.925 km ENE of Greenfield, California · 17840 days ago · 1 km deep · 52 km away
  11. 2.627 km E of Tres Pinos, California · 17840 days ago · 6 km deep · 30 km away
  12. 2.021 km NE of Soledad, California · 17840 days ago · 6 km deep · 30 km away
  13. 1.84 km E of East Foothills, California · 17839 days ago · 1 km deep · 73 km away
  14. 2.6Northern California · 17839 days ago · 1 km deep · 72 km away
  15. 2.06 km WSW of Gilroy, California · 17839 days ago · 3 km deep · 32 km away
  16. 1.928 km WSW of Three Rocks, California · 17839 days ago · 11 km deep · 73 km away
  17. 2.522 km NNE of Soledad, California · 17838 days ago · 9 km deep · 27 km away
  18. 2.4Central California · 17838 days ago · 5 km deep · 32 km away
  19. 2.121 km NE of Soledad, California · 17838 days ago · 5 km deep · 32 km away
  20. 1.821 km NE of Soledad, California · 17838 days ago · 6 km deep · 30 km away
  21. 2.521 km NE of Soledad, California · 17838 days ago · 7 km deep · 30 km away
  22. 1.86 km WSW of Gilroy, California · 17837 days ago · 3 km deep · 32 km away
  23. 1.822 km ENE of San Lucas, California · 17836 days ago · 7 km deep · 85 km away
  24. 2.421 km NE of Soledad, California · 17835 days ago · 7 km deep · 30 km away
  25. 1.721 km NE of Soledad, California · 17835 days ago · 6 km deep · 30 km away
  26. 1.6Northern California · 17835 days ago · 9 km deep · 30 km away
  27. 1.99 km WSW of Ridgemark, California · 17835 days ago · 7 km deep · 12 km away
  28. 1.530 km SE of Tres Pinos, California · 17834 days ago · 6 km deep · 34 km away
  29. 1.516 km NE of East Foothills, California · 17834 days ago · 5 km deep · 81 km away
  30. 2.54 km E of East Foothills, California · 17834 days ago · 1 km deep · 72 km away
  31. 1.821 km NE of Soledad, California · 17833 days ago · 5 km deep · 37 km away
  32. 3.34 km N of Morgan Hill, California · 17833 days ago · 7 km deep · 48 km away
  33. 1.523 km ENE of Soledad, California · 17832 days ago · 4 km deep · 44 km away
  34. 2.54 km N of Morgan Hill, California · 17832 days ago · 7 km deep · 47 km away
  35. 1.629 km ENE of Soledad, California · 17831 days ago · 9 km deep · 39 km away
  36. 1.912 km ESE of East Foothills, California · 17830 days ago · 6 km deep · 64 km away
  37. 2.79 km E of Gilroy, California · 17830 days ago · 9 km deep · 23 km away
  38. 2.29 km E of Gilroy, California · 17830 days ago · 8 km deep · 23 km away
  39. 1.69 km NE of Corralitos, California · 17830 days ago · 11 km deep · 44 km away
  40. 1.523 km ENE of Soledad, California · 17830 days ago · 5 km deep · 43 km away
  41. 1.923 km NE of King City, California · 17830 days ago · 3 km deep · 66 km away
  42. 2.724 km NE of Greenfield, California · 17829 days ago · 1 km deep · 48 km away
  43. 2.022 km NE of Soledad, California · 17828 days ago · 10 km deep · 31 km away
  44. 2.47 km E of East Foothills, California · 17828 days ago · 6 km deep · 70 km away
  45. 1.917 km SSE of Tres Pinos, California · 17827 days ago · 10 km deep · 22 km away
  46. 1.622 km SSW of Los Banos, California · 17826 days ago · 3 km deep · 34 km away
  47. 2.08 km ESE of East Foothills, California · 17826 days ago · 8 km deep · 68 km away
  48. 2.27 km ENE of Morgan Hill, California · 17825 days ago · 4 km deep · 41 km away
  49. 2.022 km NE of San Ardo, California · 17825 days ago · 6 km deep · 90 km away
  50. 1.821 km NNE of Soledad, California · 17825 days ago · 9 km deep · 28 km away
  51. 1.621 km NE of Soledad, California · 17824 days ago · 6 km deep · 30 km away
  52. 1.78 km W of Gilroy, California · 17824 days ago · 4 km deep · 34 km away
  53. 1.62 km WSW of Ridgemark, California · 17824 days ago · 6 km deep · 4 km away
  54. 2.026 km NE of Greenfield, California · 17823 days ago · 6 km deep · 49 km away
  55. 1.84 km NE of Tres Pinos, California · 17822 days ago · 10 km deep · 5 km away
  56. 2.421 km NE of Soledad, California · 17822 days ago · 6 km deep · 30 km away
  57. 2.36 km WSW of Gilroy, California · 17822 days ago · 3 km deep · 32 km away
  58. 1.710 km SW of Ridgemark, California · 17821 days ago · 9 km deep · 13 km away
  59. 2.414 km ENE of East Foothills, California · 17821 days ago · 8 km deep · 73 km away
  60. 3.03 km WSW of San Juan Bautista, California · 17821 days ago · 7 km deep · 20 km away

The first 60 of 156.

Before

  1. 2.08 km NNE of Interlaken, California · 17845 days ago · 8 km deep · 39 km away
  2. 1.525 km ENE of Greenfield, California · 17845 days ago · -1 km deep · 52 km away
  3. 1.819 km NE of East Foothills, California · 17846 days ago · 6 km deep · 78 km away
  4. 2.210 km NNE of San Juan Bautista, California · 17847 days ago · 0 km deep · 16 km away
  5. 2.725 km ENE of Greenfield, California · 17847 days ago · 7 km deep · 54 km away
  6. 1.710 km NW of Hollister, California · 17847 days ago · 0 km deep · 16 km away
  7. 2.321 km NE of Soledad, California · 17847 days ago · 6 km deep · 35 km away
  8. 1.823 km ENE of Soledad, California · 17849 days ago · 6 km deep · 44 km away
  9. 2.58 km ENE of Milpitas, California · 17849 days ago · 6 km deep · 83 km away
  10. 1.518 km ENE of East Foothills, California · 17850 days ago · 7 km deep · 70 km away
  11. 2.025 km E of Tres Pinos, California · 17851 days ago · 0 km deep · 28 km away
  12. 2.021 km NE of Soledad, California · 17851 days ago · 5 km deep · 31 km away
  13. 2.321 km NE of Soledad, California · 17851 days ago · 5 km deep · 31 km away
  14. 1.720 km ESE of Tres Pinos, California · 17852 days ago · 0 km deep · 24 km away
  15. 2.022 km NNE of Soledad, California · 17852 days ago · 2 km deep · 27 km away
  16. 1.625 km ENE of Greenfield, California · 17852 days ago · 6 km deep · 53 km away
  17. 2.2Northern California · 17853 days ago · 7 km deep · 69 km away
  18. 1.69 km SE of Livermore, California · 17853 days ago · 5 km deep · 94 km away
  19. 2.59 km NW of Hollister, California · 17853 days ago · 7 km deep · 15 km away
  20. 2.14 km SSE of San Juan Bautista, California · 17853 days ago · 6 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1037713. Read Tue, Sep 22, 2026, 4:25 PM UTC.