California earthquakes

M1.5 earthquake 8 km SSW of Ridgemark, California

A magnitude 1.5 earthquake struck 8 km SSW of Ridgemark, California on Thu, Nov 25, 1976, 12:58 AM PST (08:58 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.6 20 km SSE of Tres Pinos, 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1976-11-25 08:58:37 UTC
Depth
7.0 km (4.4 mi), shallow
Epicenter
36.738° N, 121.394° 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, 0.6 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
46°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 181 in the 60 days after this one and 83 in the 30 days before it.

After

  1. 3.517 km SSE of Tres Pinos, California · 18209 days ago · 6 km deep · 17 km away
  2. 1.518 km SSE of Tres Pinos, California · 18209 days ago · 5 km deep · 17 km away
  3. 1.618 km SSE of Tres Pinos, California · 18209 days ago · 5 km deep · 17 km away
  4. 1.718 km SSE of Tres Pinos, California · 18209 days ago · 6 km deep · 17 km away
  5. 3.1Central California · 18209 days ago · 6 km deep · 17 km away
  6. 2.518 km SSE of Tres Pinos, California · 18209 days ago · 6 km deep · 17 km away
  7. 1.618 km SSE of Tres Pinos, California · 18208 days ago · 5 km deep · 17 km away
  8. 2.3Central California · 18208 days ago · 7 km deep · 72 km away
  9. 2.217 km SSE of Tres Pinos, California · 18208 days ago · 5 km deep · 16 km away
  10. 2.418 km SSE of Tres Pinos, California · 18208 days ago · 6 km deep · 17 km away
  11. 2.44 km ESE of Tres Pinos, California · 18208 days ago · 9 km deep · 11 km away
  12. 3.222 km NE of Soledad, California · 18207 days ago · 3 km deep · 26 km away
  13. 2.019 km SSE of Tres Pinos, California · 18207 days ago · 6 km deep · 18 km away
  14. 2.021 km NE of Soledad, California · 18207 days ago · 3 km deep · 25 km away
  15. 2.124 km NE of San Lucas, California · 18207 days ago · 6 km deep · 74 km away
  16. 1.84 km ESE of Tres Pinos, California · 18207 days ago · 8 km deep · 11 km away
  17. 2.428 km ESE of Tres Pinos, California · 18207 days ago · 1 km deep · 33 km away
  18. 2.322 km ENE of Soledad, California · 18206 days ago · 8 km deep · 35 km away
  19. 2.818 km S of South Dos Palos, California · 18206 days ago · 7 km deep · 65 km away
  20. 2.324 km ENE of Greenfield, California · 18206 days ago · 5 km deep · 51 km away
  21. 1.926 km NE of Soledad, California · 18206 days ago · 5 km deep · 34 km away
  22. 3.120 km SSW of South Dos Palos, California · 18206 days ago · 6 km deep · 61 km away
  23. 2.519 km S of South Dos Palos, California · 18206 days ago · 5 km deep · 63 km away
  24. 2.014 km WSW of Firebaugh, California · 18206 days ago · 7 km deep · 72 km away
  25. 1.73 km S of San Ardo, California · 18206 days ago · 6 km deep · 94 km away
  26. 1.94 km WSW of Gilroy, California · 18204 days ago · 7 km deep · 34 km away
  27. 2.423 km NNE of San Lucas, California · 18203 days ago · 6 km deep · 65 km away
  28. 1.66 km ENE of Interlaken, California · 18203 days ago · 9 km deep · 36 km away
  29. 1.96 km ENE of Interlaken, California · 18203 days ago · 9 km deep · 35 km away
  30. 1.93 km SE of San Ardo, California · 18203 days ago · 14 km deep · 94 km away
  31. 2.221 km NE of Soledad, California · 18202 days ago · 2 km deep · 31 km away
  32. 2.125 km NE of Hollister, California · 18202 days ago · 0 km deep · 36 km away
  33. 1.719 km NNW of Coalinga, California · 18202 days ago · 5 km deep · 99 km away
  34. 1.69 km NW of Hollister, California · 18202 days ago · 6 km deep · 21 km away
  35. 3.320 km SSE of Tres Pinos, California · 18202 days ago · 6 km deep · 20 km away
  36. 4.620 km SSE of Tres Pinos, California · 18202 days ago · 5 km deep · 20 km away
  37. 2.58 km NE of San Juan Bautista, California · 18202 days ago · 9 km deep · 19 km away
  38. 1.620 km SSE of Tres Pinos, California · 18201 days ago · 5 km deep · 20 km away
  39. 2.520 km SSE of Tres Pinos, California · 18201 days ago · 5 km deep · 20 km away
  40. 2.520 km SSE of Tres Pinos, California · 18201 days ago · 5 km deep · 20 km away
  41. 3.021 km NE of San Ardo, California · 18201 days ago · 5 km deep · 87 km away
  42. 2.25 km SSW of Tres Pinos, California · 18201 days ago · 8 km deep · 5 km away
  43. 1.820 km SSE of Tres Pinos, California · 18201 days ago · 5 km deep · 20 km away
  44. 2.59 km NW of Hollister, California · 18201 days ago · 7 km deep · 21 km away
  45. 1.95 km E of Tres Pinos, California · 18200 days ago · 6 km deep · 14 km away
  46. 2.68 km NE of San Juan Bautista, California · 18200 days ago · 9 km deep · 20 km away
  47. 1.923 km NE of Greenfield, California · 18200 days ago · 4 km deep · 42 km away
  48. 2.7Central California · 18200 days ago · 5 km deep · 20 km away
  49. 2.4Central California · 18199 days ago · 5 km deep · 41 km away
  50. 2.56 km ENE of Interlaken, CA · 18199 days ago · 9 km deep · 36 km away
  51. 2.05 km ENE of Interlaken, California · 18199 days ago · 9 km deep · 36 km away
  52. 1.59 km NW of Hollister, California · 18199 days ago · 7 km deep · 21 km away
  53. 1.65 km ENE of Interlaken, California · 18199 days ago · 8 km deep · 36 km away
  54. 1.85 km ENE of Interlaken, California · 18199 days ago · 9 km deep · 36 km away
  55. 1.7Central California · 18199 days ago · 9 km deep · 20 km away
  56. 2.118 km SSW of Twin Lakes, California · 18199 days ago · 8 km deep · 59 km away
  57. 2.08 km NE of San Juan Bautista, California · 18199 days ago · 9 km deep · 20 km away
  58. 2.821 km SSE of Tres Pinos, California · 18199 days ago · 5 km deep · 20 km away
  59. 2.221 km NE of Soledad, California · 18198 days ago · 6 km deep · 29 km away
  60. 2.914 km N of Morgan Hill, California · 18198 days ago · 6 km deep · 62 km away

The first 60 of 181.

Before

  1. 2.023 km NE of King City, CA · 18209 days ago · 6 km deep · 55 km away
  2. 1.65 km ENE of Tres Pinos, California · 18209 days ago · 4 km deep · 14 km away
  3. 3.022 km NE of Soledad, California · 18209 days ago · 3 km deep · 25 km away
  4. 2.024 km NE of Greenfield, California · 18209 days ago · 6 km deep · 45 km away
  5. 2.824 km ENE of Soledad, California · 18210 days ago · 4 km deep · 39 km away
  6. 2.933 km WSW of Lockwood, California · 18211 days ago · 12 km deep · 96 km away
  7. 2.58 km E of San Martin, California · 18211 days ago · 3 km deep · 41 km away
  8. 1.95 km WSW of Gilroy, California · 18212 days ago · 4 km deep · 34 km away
  9. 2.87 km NW of Hollister, California · 18213 days ago · 7 km deep · 19 km away
  10. 2.411 km SSW of Tres Pinos, California · 18213 days ago · 14 km deep · 6 km away
  11. 1.9Northern California · 18213 days ago · 9 km deep · 70 km away
  12. 2.0Central California · 18214 days ago · 7 km deep · 30 km away
  13. 1.81 km W of Monte Sereno, California · 18214 days ago · 11 km deep · 78 km away
  14. 2.0Central California · 18214 days ago · 3 km deep · 28 km away
  15. 2.09 km SSW of Tres Pinos, California · 18214 days ago · 2 km deep · 4 km away
  16. 1.96 km ENE of Interlaken, California · 18215 days ago · 9 km deep · 35 km away
  17. 1.67 km SW of Gilroy, California · 18216 days ago · 6 km deep · 31 km away
  18. 2.521 km NE of Soledad, California · 18216 days ago · 6 km deep · 29 km away
  19. 1.921 km NE of Soledad, California · 18217 days ago · 8 km deep · 29 km away
  20. 2.823 km NE of Soledad, California · 18217 days ago · 10 km deep · 30 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1032428. Read Sat, Oct 3, 2026, 5:53 AM UTC.