California earthquakes

M1.8 earthquake 4 km NE of Interlaken, California

A magnitude 1.8 earthquake struck 4 km NE of Interlaken, California on Sun, Jan 1, 1978, 5:47 AM PST (13:47 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.4 21 km NNE of Soledad, California. This one was a foreshock.

Interlaken 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
1.8 (md), micro
Local time
UTC
1978-01-01 13:47:23 UTC
Depth
12.4 km (7.7 mi), shallow
Epicenter
36.982° N, 121.702° 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, 0.4 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
40°
Stations used
42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 139 in the 60 days after this one and 78 in the 30 days before it.

After

  1. 2.312 km SW of Tres Pinos, California · 17805 days ago · 9 km deep · 41 km away
  2. 2.6Central California · 17804 days ago · 6 km deep · 64 km away
  3. 2.1Central California · 17804 days ago · 4 km deep · 58 km away
  4. 2.022 km ENE of Tres Pinos, California · 17804 days ago · 6 km deep · 58 km away
  5. 3.1Central California · 17804 days ago · 9 km deep · 73 km away
  6. 2.127 km ENE of Soledad, California · 17804 days ago · 9 km deep · 73 km away
  7. 1.812 km SW of Tres Pinos, California · 17803 days ago · 8 km deep · 41 km away
  8. 1.621 km NNE of Soledad, California · 17803 days ago · 4 km deep · 63 km away
  9. 2.53 km S of San Juan Bautista, California · 17803 days ago · 7 km deep · 24 km away
  10. 2.54 km SW of Tres Pinos, California · 17803 days ago · 13 km deep · 40 km away
  11. 1.624 km NE of Greenfield, California · 17802 days ago · 5 km deep · 80 km away
  12. 1.821 km NE of Soledad, California · 17802 days ago · 7 km deep · 64 km away
  13. 1.68 km SSW of Ridgemark, California · 17801 days ago · 6 km deep · 37 km away
  14. 3.010 km NNW of Hollister, California · 17801 days ago · 2 km deep · 24 km away
  15. 1.626 km NE of Soledad, California · 17800 days ago · 8 km deep · 71 km away
  16. 1.812 km SW of Tres Pinos, California · 17800 days ago · 8 km deep · 41 km away
  17. 3.112 km SW of Tres Pinos, California · 17800 days ago · 9 km deep · 41 km away
  18. 1.612 km SW of Tres Pinos, California · 17800 days ago · 9 km deep · 41 km away
  19. 3.026 km NE of Greenfield, California · 17799 days ago · 8 km deep · 84 km away
  20. 1.84 km W of Ridgemark, California · 17799 days ago · 3 km deep · 32 km away
  21. 2.014 km E of Tres Pinos, California · 17799 days ago · 5 km deep · 54 km away
  22. 1.614 km E of Seven Trees, California · 17797 days ago · 2 km deep · 35 km away
  23. 1.99 km NE of San Juan Bautista, California · 17797 days ago · 3 km deep · 21 km away
  24. 3.014 km SSE of Tres Pinos, California · 17796 days ago · 3 km deep · 52 km away
  25. 1.80 km ESE of Fairview, California · 17796 days ago · 10 km deep · 83 km away
  26. 1.821 km NE of Soledad, California · 17794 days ago · 6 km deep · 71 km away
  27. 1.71 km S of Diablo, California · 17794 days ago · 12 km deep · 96 km away
  28. 1.621 km NE of Soledad, California · 17794 days ago · 3 km deep · 66 km away
  29. 2.65 km NE of Amesti, California · 17794 days ago · 12 km deep · 4 km away
  30. 2.51 km S of Diablo, California · 17794 days ago · 14 km deep · 96 km away
  31. 2.12 km SW of Los Altos Hills, California · 17792 days ago · 7 km deep · 58 km away
  32. 1.88 km SSW of Ridgemark, California · 17792 days ago · 6 km deep · 38 km away
  33. 2.722 km ENE of Soledad, California · 17792 days ago · 3 km deep · 72 km away
  34. 1.62 km SSW of San Juan Bautista, California · 17792 days ago · 4 km deep · 22 km away
  35. 2.12 km WSW of San Ramon, California · 17791 days ago · 9 km deep · 92 km away
  36. 1.522 km ENE of Soledad, California · 17791 days ago · 1 km deep · 74 km away
  37. 3.421 km NNE of Soledad, California · 17790 days ago · 6 km deep · 63 km away
  38. 2.421 km NE of Soledad, California · 17790 days ago · 6 km deep · 64 km away
  39. 1.721 km NNE of Soledad, California · 17790 days ago · 6 km deep · 63 km away
  40. 2.05 km SSW of Tres Pinos, California · 17790 days ago · 8 km deep · 41 km away
  41. 1.93 km N of Union City, California · 17789 days ago · 5 km deep · 77 km away
  42. 2.422 km NE of Soledad, California · 17789 days ago · 6 km deep · 63 km away
  43. 1.915 km S of Tres Pinos, California · 17788 days ago · 10 km deep · 49 km away
  44. 2.322 km ENE of Tres Pinos, California · 17788 days ago · 5 km deep · 58 km away
  45. 2.45 km SW of Gilroy, California · 17788 days ago · 7 km deep · 8 km away
  46. 1.824 km NE of Greenfield, California · 17786 days ago · 0 km deep · 85 km away
  47. 2.17 km SSE of Gilroy, California · 17785 days ago · 5 km deep · 15 km away
  48. 1.921 km SW of Diablo Grande, California · 17785 days ago · 7 km deep · 39 km away
  49. 2.03 km W of San Juan Bautista, California · 17785 days ago · 6 km deep · 19 km away
  50. 1.524 km ENE of Soledad, California · 17784 days ago · 3 km deep · 78 km away
  51. 1.74 km N of Union City, California · 17784 days ago · 7 km deep · 78 km away
  52. 2.826 km NE of Soledad, California · 17783 days ago · 9 km deep · 73 km away
  53. 1.626 km NE of Soledad, California · 17783 days ago · 9 km deep · 73 km away
  54. 1.621 km NE of Soledad, California · 17783 days ago · 4 km deep · 71 km away
  55. 1.815 km SW of Soledad, California · 17782 days ago · 13 km deep · 78 km away
  56. 2.225 km SE of Tres Pinos, California · 17782 days ago · 10 km deep · 65 km away
  57. 1.915 km SW of Soledad, California · 17782 days ago · 11 km deep · 78 km away
  58. 1.628 km ENE of Soledad, California · 17782 days ago · 10 km deep · 73 km away
  59. 1.817 km SW of Soledad, California · 17782 days ago · 15 km deep · 80 km away
  60. 1.58 km NE of Gilroy, California · 17782 days ago · 10 km deep · 20 km away

The first 60 of 139.

Before

  1. 1.9Central California · 17805 days ago · 8 km deep · 65 km away
  2. 1.623 km NE of Greenfield, California · 17805 days ago · 1 km deep · 82 km away
  3. 1.6Central California · 17805 days ago · 8 km deep · 41 km away
  4. 1.619 km ENE of Big Sur, California · 17805 days ago · 7 km deep · 76 km away
  5. 1.91 km ESE of Tres Pinos, California · 17805 days ago · 7 km deep · 41 km away
  6. 3.39 km NNW of Hollister, California · 17805 days ago · 2 km deep · 24 km away
  7. 2.621 km NE of Soledad, California · 17805 days ago · 7 km deep · 64 km away
  8. 1.612 km SW of Tres Pinos, California · 17806 days ago · 9 km deep · 41 km away
  9. 2.04 km ESE of Aromas, California · 17807 days ago · 6 km deep · 16 km away
  10. 2.36 km ESE of East Foothills, California · 17808 days ago · 2 km deep · 43 km away
  11. 2.211 km S of Tres Pinos, California · 17808 days ago · 4 km deep · 47 km away
  12. 1.912 km SW of Tres Pinos, California · 17808 days ago · 9 km deep · 41 km away
  13. 2.26 km WSW of Gilroy, California · 17809 days ago · 3 km deep · 6 km away
  14. 2.024 km NE of King City, California · 17810 days ago · 4 km deep · 94 km away
  15. 1.714 km E of Seven Trees, California · 17811 days ago · 3 km deep · 35 km away
  16. 2.021 km NNE of Soledad, California · 17811 days ago · 8 km deep · 63 km away
  17. 1.623 km WNW of Diablo Grande, California · 17812 days ago · 2 km deep · 54 km away
  18. 1.7Central California · 17813 days ago · 1 km deep · 85 km away
  19. 1.66 km NNW of Hollister, California · 17813 days ago · 3 km deep · 26 km away
  20. 2.51 km NNE of Tres Pinos, California · 17814 days ago · 8 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1038421. Read Thu, Oct 1, 2026, 2:04 AM UTC.