California earthquakes

M1.9 earthquake 10 km SW of Ripon, California

A magnitude 1.9 earthquake struck 10 km SW of Ripon, California on Thu, Jun 29, 1989, 1:52 AM PDT (08:52 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M5.4 4 km ESE of Lexington Hills, California. This one was a foreshock.

Ripon 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
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-06-29 08:52:32 UTC
Depth
12.6 km (7.8 mi), shallow
Epicenter
37.664° N, 121.198° 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, 0.9 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
130°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 34 in the 30 days before it.

After

  1. 2.66 km E of East Foothills, California · 13609 days ago · 6 km deep · 57 km away
  2. 1.913 km ENE of East Foothills, California · 13609 days ago · 6 km deep · 50 km away
  3. 1.54 km N of Corralitos, California · 13609 days ago · 14 km deep · 88 km away
  4. 2.02 km NNW of Orinda, California · 13608 days ago · 8 km deep · 91 km away
  5. 1.514 km N of Morgan Hill, California · 13608 days ago · 6 km deep · 60 km away
  6. 1.710 km SE of Suisun, California · 13608 days ago · 17 km deep · 87 km away
  7. 1.78 km SE of Suisun, California · 13607 days ago · 4 km deep · 89 km away
  8. 1.511 km ENE of East Foothills, California · 13607 days ago · 7 km deep · 52 km away
  9. 2.23 km N of Pittsburg, California · 13605 days ago · 17 km deep · 75 km away
  10. 2.221 km NE of East Foothills, California · 13604 days ago · 7 km deep · 41 km away
  11. 1.815 km E of Seven Trees, California · 13603 days ago · 6 km deep · 59 km away
  12. 2.06 km NE of East Foothills, California · 13603 days ago · 7 km deep · 56 km away
  13. 3.03 km S of Crockett, California · 13601 days ago · 15 km deep · 97 km away
  14. 1.66 km SW of Gilroy, California · 13601 days ago · 5 km deep · 86 km away
  15. 2.36 km SW of Gilroy, California · 13601 days ago · 4 km deep · 86 km away
  16. 2.810 km ENE of East Foothills, California · 13600 days ago · 7 km deep · 52 km away
  17. 3.96 km ENE of East Foothills, California · 13599 days ago · 8 km deep · 57 km away
  18. 1.816 km SSE of Livermore, California · 13598 days ago · 2 km deep · 43 km away
  19. 1.56 km NE of Ridgemark, California · 13596 days ago · 6 km deep · 91 km away
  20. 2.07 km ENE of Interlaken, California · 13595 days ago · 8 km deep · 86 km away
  21. 2.111 km ESE of Gilroy, California · 13593 days ago · 5 km deep · 82 km away
  22. 2.019 km WNW of Diablo Grande, California · 13592 days ago · 3 km deep · 30 km away
  23. 2.429 km E of Tres Pinos, California · 13592 days ago · 4 km deep · 99 km away
  24. 2.430 km E of Tres Pinos, California · 13592 days ago · 4 km deep · 99 km away
  25. 1.715 km E of Seven Trees, California · 13591 days ago · 6 km deep · 59 km away
  26. 1.912 km ESE of East Foothills, California · 13591 days ago · 8 km deep · 58 km away
  27. 3.87 km NE of Hollister, California · 13590 days ago · 8 km deep · 85 km away
  28. 2.37 km NE of Hollister, California · 13590 days ago · 6 km deep · 86 km away
  29. 2.17 km NE of Hollister, California · 13590 days ago · 6 km deep · 86 km away
  30. 3.17 km NE of Hollister, California · 13590 days ago · 6 km deep · 86 km away
  31. 3.27 km E of East Foothills, California · 13590 days ago · 8 km deep · 57 km away
  32. 1.67 km NE of Hollister, California · 13590 days ago · 6 km deep · 86 km away
  33. 1.87 km NE of Hollister, California · 13589 days ago · 6 km deep · 85 km away
  34. 3.37 km NE of Hollister, California · 13588 days ago · 8 km deep · 86 km away
  35. 1.77 km NE of Hollister, California · 13588 days ago · 7 km deep · 86 km away
  36. 2.57 km NE of Hollister, California · 13588 days ago · 7 km deep · 85 km away
  37. 2.012 km ENE of East Foothills, California · 13587 days ago · 8 km deep · 50 km away
  38. 1.79 km ENE of Morgan Hill, California · 13587 days ago · 3 km deep · 64 km away
  39. 1.77 km NE of Hollister, California · 13586 days ago · 7 km deep · 85 km away
  40. 2.07 km NE of Hollister, California · 13586 days ago · 7 km deep · 86 km away
  41. 2.23 km S of San Juan Bautista, California · 13585 days ago · 7 km deep · 99 km away
  42. 3.23 km S of San Juan Bautista, California · 13584 days ago · 7 km deep · 99 km away
  43. 3.23 km SSW of San Juan Bautista, California · 13584 days ago · 8 km deep · 99 km away
  44. 2.05 km E of Sunol, California · 13584 days ago · 8 km deep · 56 km away
  45. 1.63 km S of San Juan Bautista, California · 13584 days ago · 7 km deep · 99 km away
  46. 1.83 km S of San Juan Bautista, California · 13583 days ago · 6 km deep · 99 km away
  47. 1.65 km W of Hollister, California · 13582 days ago · 6 km deep · 93 km away
  48. 1.60 km WSW of Hollister, California · 13582 days ago · 7 km deep · 92 km away
  49. 2.23 km N of Piedmont, California · 13582 days ago · 12 km deep · 93 km away
  50. 1.71 km NNW of Kensington, California · 13582 days ago · 6 km deep · 100 km away
  51. 2.02 km NNE of San Leandro, California · 13582 days ago · 4 km deep · 84 km away
  52. 1.55 km W of Hollister, California · 13582 days ago · 5 km deep · 93 km away
  53. 3.07 km NE of Hollister, California · 13580 days ago · 8 km deep · 86 km away
  54. 1.67 km NE of Hollister, California · 13579 days ago · 7 km deep · 86 km away
  55. 1.72 km NNE of San Leandro, California · 13577 days ago · 4 km deep · 84 km away
  56. 3.01 km W of Lexington Hills, California · 13577 days ago · 5 km deep · 89 km away
  57. 3.110 km NNE of East Foothills, California · 13577 days ago · 7 km deep · 55 km away
  58. 1.710 km NNE of East Foothills, California · 13577 days ago · 7 km deep · 55 km away
  59. 1.81 km WSW of Clyde, California · 13577 days ago · 23 km deep · 85 km away
  60. 2.510 km NNE of East Foothills, California · 13577 days ago · 7 km deep · 55 km away

The first 60 of 107.

Before

  1. 1.81 km SW of San Ramon, California · 13609 days ago · 8 km deep · 71 km away
  2. 1.62 km NNW of Hollister, California · 13609 days ago · 7 km deep · 90 km away
  3. 2.08 km ESE of Seven Trees, California · 13610 days ago · 4 km deep · 68 km away
  4. 2.78 km NE of San Martin, California · 13611 days ago · 8 km deep · 66 km away
  5. 2.5Central California · 13612 days ago · 3 km deep · 86 km away
  6. 2.04 km NNE of Pittsburg, California · 13613 days ago · 19 km deep · 73 km away
  7. 2.73 km NNE of Pittsburg, California · 13614 days ago · 18 km deep · 73 km away
  8. 2.33 km NNE of Pittsburg, California · 13614 days ago · 17 km deep · 74 km away
  9. 1.68 km SE of Livermore, California · 13615 days ago · 7 km deep · 44 km away
  10. 2.21 km NNE of Pittsburg, California · 13616 days ago · 20 km deep · 73 km away
  11. 2.01 km NNW of Pittsburg, California · 13616 days ago · 20 km deep · 74 km away
  12. 4.34 km NE of Pittsburg, California · 13616 days ago · 20 km deep · 73 km away
  13. 2.74 km NE of Pittsburg, California · 13616 days ago · 19 km deep · 73 km away
  14. 2.0Northern California · 13616 days ago · 20 km deep · 74 km away
  15. 3.37 km E of East Foothills, California · 13617 days ago · 9 km deep · 57 km away
  16. 1.77 km SSE of Gilroy, California · 13619 days ago · 5 km deep · 85 km away
  17. 2.015 km SSE of Livermore, California · 13620 days ago · 6 km deep · 45 km away
  18. 1.71 km NNW of Sunol, California · 13620 days ago · 6 km deep · 61 km away
  19. 2.97 km ENE of Gilroy, California · 13622 days ago · 7 km deep · 75 km away
  20. 1.68 km NE of Milpitas, California · 13625 days ago · 7 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc139082. Read Fri, Oct 2, 2026, 6:47 AM UTC.