California earthquakes

M2.1 earthquake 5 km SSW of Ridgemark, California

A magnitude 2.1 earthquake struck 5 km SSW of Ridgemark, California on Tue, Jul 25, 1989, 10:48 AM PDT (17:48 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M5.4 4 km ESE of Lexington Hills, 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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-07-25 17:48:16 UTC
Depth
4.9 km (3.0 mi), shallow
Epicenter
36.767° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
27°
Stations used
53

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 162 in the 60 days after this one and 73 in the 30 days before it.

After

  1. 1.65 km W of Hollister, California · 13583 days ago · 6 km deep · 11 km away
  2. 1.725 km ESE of Tres Pinos, California · 13583 days ago · 36 km deep · 31 km away
  3. 1.60 km WSW of Hollister, California · 13582 days ago · 7 km deep · 9 km away
  4. 1.55 km W of Hollister, California · 13582 days ago · 5 km deep · 12 km away
  5. 2.039 km W of Lockwood, California · 13581 days ago · 14 km deep · 95 km away
  6. 3.07 km NE of Hollister, California · 13580 days ago · 8 km deep · 16 km away
  7. 1.724 km NE of Greenfield, California · 13580 days ago · 5 km deep · 46 km away
  8. 1.67 km NE of Hollister, California · 13579 days ago · 7 km deep · 16 km away
  9. 3.01 km W of Lexington Hills, California · 13577 days ago · 5 km deep · 69 km away
  10. 3.110 km NNE of East Foothills, California · 13577 days ago · 7 km deep · 84 km away
  11. 1.710 km NNE of East Foothills, California · 13577 days ago · 7 km deep · 84 km away
  12. 1.97 km SE of San Juan Bautista, California · 13577 days ago · 10 km deep · 8 km away
  13. 1.68 km SE of San Juan Bautista, California · 13577 days ago · 10 km deep · 8 km away
  14. 2.510 km NNE of East Foothills, California · 13577 days ago · 7 km deep · 84 km away
  15. 2.67 km NE of Hollister, California · 13576 days ago · 7 km deep · 16 km away
  16. 2.78 km ENE of Morgan Hill, California · 13575 days ago · 3 km deep · 47 km away
  17. 1.66 km ENE of East Foothills, California · 13574 days ago · 6 km deep · 77 km away
  18. 1.627 km NE of Soledad, California · 13573 days ago · 10 km deep · 35 km away
  19. 2.410 km SSE of Tres Pinos, California · 13572 days ago · 12 km deep · 12 km away
  20. 1.510 km SSE of Tres Pinos, California · 13572 days ago · 12 km deep · 12 km away
  21. 1.611 km SSE of Tres Pinos, California · 13572 days ago · 13 km deep · 12 km away
  22. 2.924 km NE of Greenfield, California · 13572 days ago · 1 km deep · 46 km away
  23. 2.06 km ENE of East Foothills, California · 13571 days ago · 8 km deep · 78 km away
  24. 1.721 km NE of San Lucas, California · 13571 days ago · 6 km deep · 73 km away
  25. 1.622 km SE of Tres Pinos, California · 13570 days ago · 9 km deep · 25 km away
  26. 1.87 km NE of Carmel Valley Village, California · 13570 days ago · 5 km deep · 37 km away
  27. 5.44 km ESE of Lexington Hills, California · 13569 days ago · 13 km deep · 64 km away
  28. 4.34 km ESE of Lexington Hills, California · 13569 days ago · 13 km deep · 63 km away
  29. 2.33 km ESE of Lexington Hills, California · 13569 days ago · 13 km deep · 65 km away
  30. 2.24 km ESE of Lexington Hills, California · 13569 days ago · 12 km deep · 63 km away
  31. 1.724 km ENE of Greenfield, California · 13569 days ago · 7 km deep · 51 km away
  32. 1.63 km ESE of Lexington Hills, California · 13569 days ago · 13 km deep · 65 km away
  33. 4.52 km E of Lexington Hills, California · 13569 days ago · 15 km deep · 66 km away
  34. 2.122 km NE of East Foothills, California · 13569 days ago · 5 km deep · 84 km away
  35. 2.023 km NE of King City, California · 13569 days ago · 6 km deep · 58 km away
  36. 1.716 km SW of Gustine, California · 13569 days ago · 0 km deep · 49 km away
  37. 1.62 km E of Lexington Hills, California · 13569 days ago · 13 km deep · 66 km away
  38. 2.023 km NE of King City, California · 13569 days ago · 6 km deep · 58 km away
  39. 2.67 km ENE of Lockwood, California · 13568 days ago · 6 km deep · 96 km away
  40. 1.63 km ESE of Lexington Hills, California · 13568 days ago · 13 km deep · 65 km away
  41. 2.54 km ESE of Lexington Hills, California · 13568 days ago · 12 km deep · 63 km away
  42. 1.64 km ESE of Lexington Hills, California · 13568 days ago · 11 km deep · 64 km away
  43. 1.83 km ESE of Lexington Hills, California · 13568 days ago · 13 km deep · 65 km away
  44. 1.93 km ESE of Lexington Hills, California · 13568 days ago · 13 km deep · 65 km away
  45. 2.03 km ESE of Lexington Hills, California · 13568 days ago · 12 km deep · 65 km away
  46. 1.721 km NE of San Ardo, California · 13567 days ago · 2 km deep · 87 km away
  47. 2.19 km ESE of Gilroy, California · 13567 days ago · 5 km deep · 24 km away
  48. 1.99 km ESE of Gilroy, California · 13567 days ago · 5 km deep · 24 km away
  49. 1.629 km SE of Big Sur, California · 13567 days ago · 7 km deep · 77 km away
  50. 1.629 km SE of Big Sur, California · 13567 days ago · 17 km deep · 78 km away
  51. 1.811 km SE of Livermore, California · 13567 days ago · 3 km deep · 97 km away
  52. 1.62 km E of Lexington Hills, California · 13566 days ago · 13 km deep · 66 km away
  53. 2.212 km N of Morgan Hill, California · 13566 days ago · 4 km deep · 57 km away
  54. 2.49 km N of East Foothills, California · 13566 days ago · 3 km deep · 86 km away
  55. 2.07 km NE of Hollister, California · 13566 days ago · 7 km deep · 16 km away
  56. 1.629 km SE of Big Sur, California · 13566 days ago · 9 km deep · 77 km away
  57. 2.328 km SE of Big Sur, California · 13566 days ago · 12 km deep · 77 km away
  58. 2.414 km SE of Livermore, California · 13564 days ago · 4 km deep · 93 km away
  59. 1.527 km ENE of Soledad, California · 13563 days ago · 7 km deep · 37 km away
  60. 1.913 km N of Morgan Hill, California · 13562 days ago · 4 km deep · 58 km away

The first 60 of 162.

Before

  1. 2.421 km NE of Soledad, California · 13583 days ago · 5 km deep · 32 km away
  2. 1.83 km S of San Juan Bautista, California · 13583 days ago · 6 km deep · 13 km away
  3. 1.519 km SSE of Tres Pinos, California · 13583 days ago · 7 km deep · 20 km away
  4. 1.63 km S of San Juan Bautista, California · 13584 days ago · 7 km deep · 13 km away
  5. 2.05 km E of Sunol, California · 13584 days ago · 8 km deep · 100 km away
  6. 3.23 km SSW of San Juan Bautista, California · 13585 days ago · 8 km deep · 15 km away
  7. 3.23 km S of San Juan Bautista, California · 13585 days ago · 7 km deep · 14 km away
  8. 1.923 km NE of Soledad, California · 13585 days ago · 9 km deep · 34 km away
  9. 1.531 km NE of Soledad, California · 13585 days ago · 7 km deep · 37 km away
  10. 1.621 km NE of Soledad, California · 13586 days ago · 3 km deep · 31 km away
  11. 2.23 km S of San Juan Bautista, California · 13586 days ago · 7 km deep · 13 km away
  12. 2.07 km NE of Hollister, California · 13586 days ago · 7 km deep · 16 km away
  13. 1.77 km NE of Hollister, California · 13587 days ago · 7 km deep · 16 km away
  14. 1.79 km ENE of Morgan Hill, California · 13588 days ago · 3 km deep · 47 km away
  15. 2.012 km ENE of East Foothills, California · 13588 days ago · 8 km deep · 78 km away
  16. 2.211 km S of Tres Pinos, California · 13588 days ago · 4 km deep · 12 km away
  17. 2.57 km NE of Hollister, California · 13588 days ago · 7 km deep · 16 km away
  18. 1.623 km ENE of Soledad, California · 13588 days ago · 4 km deep · 40 km away
  19. 1.77 km NE of Hollister, California · 13588 days ago · 7 km deep · 16 km away
  20. 3.37 km NE of Hollister, California · 13588 days ago · 8 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc140841. Read Fri, Oct 2, 2026, 3:10 PM UTC.