California earthquakes

M1.9 earthquake 9 km NE of Corralitos, California

A magnitude 1.9 earthquake struck 9 km NE of Corralitos, California on Wed, Apr 13, 1977, 5:02 AM PST (13:02 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.5 15 km SSE of Tres Pinos, California. This one was a foreshock.

Corralitos 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
1977-04-13 13:02:33 UTC
Depth
11.5 km (7.2 mi), shallow
Epicenter
37.049° N, 121.738° 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
±0.49
Depth from
From location
Station coverage gap
58°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 124 in the 60 days after this one and 158 in the 30 days before it.

After

  1. 2.121 km ENE of East Foothills, California · 18068 days ago · 7 km deep · 49 km away
  2. 2.327 km ENE of Soledad, California · 18068 days ago · 5 km deep · 82 km away
  3. 3.222 km ENE of Soledad, California · 18068 days ago · 10 km deep · 81 km away
  4. 2.122 km ENE of Soledad, California · 18068 days ago · 11 km deep · 81 km away
  5. 1.924 km NE of Greenfield, California · 18067 days ago · 7 km deep · 91 km away
  6. 1.89 km NNW of Hollister, California · 18066 days ago · 5 km deep · 28 km away
  7. 1.922 km NNE of Soledad, California · 18065 days ago · 6 km deep · 68 km away
  8. 1.96 km NE of Hollister, California · 18064 days ago · 5 km deep · 39 km away
  9. 2.627 km ENE of Soledad, California · 18064 days ago · 5 km deep · 82 km away
  10. 1.725 km NE of Greenfield, California · 18064 days ago · 7 km deep · 91 km away
  11. 1.77 km NE of Ridgemark, California · 18064 days ago · 8 km deep · 43 km away
  12. 1.830 km ENE of Soledad, California · 18063 days ago · 6 km deep · 81 km away
  13. 1.810 km NW of Morgan Hill, California · 18063 days ago · 6 km deep · 17 km away
  14. 1.823 km ENE of Soledad, California · 18063 days ago · 4 km deep · 85 km away
  15. 1.79 km SSW of Tres Pinos, California · 18063 days ago · 3 km deep · 51 km away
  16. 2.023 km ENE of Soledad, California · 18062 days ago · 4 km deep · 85 km away
  17. 1.8Central California · 18062 days ago · 4 km deep · 68 km away
  18. 2.220 km SSE of Tres Pinos, California · 18062 days ago · 5 km deep · 65 km away
  19. 1.621 km NE of Soledad, California · 18061 days ago · 6 km deep · 77 km away
  20. 3.014 km SSE of Tres Pinos, California · 18061 days ago · 8 km deep · 59 km away
  21. 3.015 km SSE of Tres Pinos, California · 18061 days ago · 7 km deep · 59 km away
  22. 3.515 km SSE of Tres Pinos, California · 18060 days ago · 8 km deep · 59 km away
  23. 2.215 km SSE of Tres Pinos, California · 18060 days ago · 8 km deep · 60 km away
  24. 2.7Central California · 18060 days ago · 8 km deep · 59 km away
  25. 1.914 km S of Tres Pinos, California · 18060 days ago · 8 km deep · 59 km away
  26. 2.515 km SSE of Tres Pinos, California · 18060 days ago · 7 km deep · 59 km away
  27. 1.714 km SSE of Tres Pinos, California · 18060 days ago · 8 km deep · 59 km away
  28. 1.810 km NNW of Hollister, California · 18058 days ago · 9 km deep · 30 km away
  29. 1.714 km N of Morgan Hill, California · 18057 days ago · 4 km deep · 25 km away
  30. 1.76 km ENE of Interlaken, California · 18056 days ago · 9 km deep · 11 km away
  31. 1.916 km E of Tres Pinos, California · 18055 days ago · 4 km deep · 60 km away
  32. 1.813 km E of East Foothills, California · 18055 days ago · 8 km deep · 36 km away
  33. 1.813 km ENE of San Martin, California · 18055 days ago · 2 km deep · 26 km away
  34. 2.125 km NNE of King City, California · 18055 days ago · 2 km deep · 99 km away
  35. 2.217 km SE of Carmel Valley Village, California · 18055 days ago · 10 km deep · 75 km away
  36. 1.97 km ESE of Fremont, California · 18054 days ago · 0 km deep · 54 km away
  37. 1.55 km SSW of Tres Pinos, California · 18054 days ago · 9 km deep · 49 km away
  38. 2.110 km NNW of Hollister, California · 18054 days ago · 3 km deep · 28 km away
  39. 1.65 km SE of Tres Pinos, California · 18054 days ago · 7 km deep · 52 km away
  40. 1.623 km NE of Soledad, California · 18053 days ago · 8 km deep · 74 km away
  41. 1.77 km NE of San Juan Bautista, California · 18053 days ago · 5 km deep · 28 km away
  42. 2.113 km E of East Foothills, California · 18053 days ago · 8 km deep · 35 km away
  43. 1.823 km WSW of Volta, California · 18053 days ago · 3 km deep · 51 km away
  44. 2.37 km NE of Patterson, California · 18052 days ago · 9 km deep · 79 km away
  45. 1.5Northern California · 18052 days ago · 7 km deep · 58 km away
  46. 2.524 km NE of Greenfield, California · 18052 days ago · 7 km deep · 88 km away
  47. 1.621 km NE of Soledad, California · 18052 days ago · 4 km deep · 71 km away
  48. 1.723 km ENE of Soledad, California · 18052 days ago · 6 km deep · 86 km away
  49. 2.924 km ENE of Soledad, California · 18051 days ago · 3 km deep · 85 km away
  50. 1.723 km ENE of Soledad, California · 18051 days ago · 3 km deep · 85 km away
  51. 2.133 km SW of South Dos Palos, California · 18051 days ago · 2 km deep · 81 km away
  52. 1.731 km NE of Soledad, California · 18051 days ago · 12 km deep · 78 km away
  53. 2.57 km NE of San Juan Bautista, California · 18051 days ago · 5 km deep · 28 km away
  54. 1.925 km ENE of Soledad, California · 18050 days ago · 8 km deep · 81 km away
  55. 1.75 km ESE of Tres Pinos, California · 18050 days ago · 7 km deep · 52 km away
  56. 1.59 km NNE of San Juan Bautista, California · 18048 days ago · 3 km deep · 27 km away
  57. 2.527 km ENE of Soledad, California · 18048 days ago · 5 km deep · 82 km away
  58. 2.42 km ESE of Tres Pinos, California · 18048 days ago · 10 km deep · 49 km away
  59. 2.525 km NE of Greenfield, California · 18048 days ago · 4 km deep · 89 km away
  60. 1.619 km SSE of Tres Pinos, California · 18048 days ago · 5 km deep · 64 km away

The first 60 of 124.

Before

  1. 1.728 km NE of Soledad, California · 18069 days ago · 6 km deep · 80 km away
  2. 2.39 km SSW of Tres Pinos, California · 18069 days ago · 3 km deep · 51 km away
  3. 2.330 km ENE of Soledad, California · 18070 days ago · 8 km deep · 82 km away
  4. 1.513 km SSE of Tres Pinos, California · 18070 days ago · 5 km deep · 58 km away
  5. 2.113 km SSE of Tres Pinos, California · 18070 days ago · 4 km deep · 58 km away
  6. 1.511 km NNE of Tres Pinos, California · 18070 days ago · 6 km deep · 46 km away
  7. 1.65 km SE of Tres Pinos, California · 18070 days ago · 7 km deep · 52 km away
  8. 2.310 km NNW of Hollister, California · 18070 days ago · 5 km deep · 28 km away
  9. 1.84 km S of Gilroy, California · 18071 days ago · 6 km deep · 18 km away
  10. 1.52 km WNW of Cambrian Park, California · 18071 days ago · 8 km deep · 30 km away
  11. 1.83 km E of Day Valley, California · 18071 days ago · 3 km deep · 8 km away
  12. 1.63 km E of Day Valley, California · 18071 days ago · 3 km deep · 8 km away
  13. 2.21 km WSW of Tres Pinos, California · 18072 days ago · 6 km deep · 46 km away
  14. 1.923 km NE of Greenfield, California · 18072 days ago · 5 km deep · 89 km away
  15. 1.76 km ENE of Interlaken, California · 18073 days ago · 10 km deep · 10 km away
  16. 2.012 km N of Morgan Hill, California · 18073 days ago · 5 km deep · 23 km away
  17. 2.45 km SSW of Gilroy, California · 18073 days ago · 6 km deep · 17 km away
  18. 2.24 km SW of Tres Pinos, California · 18074 days ago · 4 km deep · 47 km away
  19. 2.31 km ESE of Tres Pinos, California · 18074 days ago · 8 km deep · 48 km away
  20. 1.96 km ENE of Interlaken, California · 18074 days ago · 10 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1034804. Read Fri, Oct 2, 2026, 7:20 AM UTC.