California earthquakes

M2.1 earthquake 3 km E of Berkeley, California

A magnitude 2.1 earthquake struck 3 km E of Berkeley, California on Thu, Dec 14, 1978, 4:04 AM PST (12:04 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.3 4 km ENE of East Foothills, California. This one was a foreshock.

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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), micro
Local time
UTC
1978-12-14 12:04:56 UTC
Depth
11.2 km (6.9 mi), shallow
Epicenter
37.877° N, 122.233° 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
±0.25
Depth from
From location
Station coverage gap
183°, poorly surrounded by stations
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 1.93 km E of Moraga, California · 17450 days ago · 2 km deep · 14 km away
  2. 1.711 km ESE of East Foothills, California · 17448 days ago · 7 km deep · 77 km away
  3. 3.34 km ENE of East Foothills, California · 17447 days ago · 2 km deep · 67 km away
  4. 2.14 km N of East Foothills, California · 17445 days ago · 2 km deep · 63 km away
  5. 1.66 km NW of Morgan Hill, California · 17443 days ago · 6 km deep · 91 km away
  6. 1.611 km SE of Sunol, California · 17440 days ago · 3 km deep · 55 km away
  7. 2.714 km S of Tracy, California · 17439 days ago · 2 km deep · 79 km away
  8. 1.626 km ENE of East Foothills, California · 17439 days ago · 5 km deep · 73 km away
  9. 2.36 km E of East Foothills, California · 17438 days ago · 6 km deep · 70 km away
  10. 2.114 km E of Seven Trees, California · 17436 days ago · 3 km deep · 82 km away
  11. 1.95 km ESE of Black Point-Green Point, California · 17436 days ago · 5 km deep · 32 km away
  12. 2.23 km W of Deer Park, California · 17435 days ago · 8 km deep · 77 km away
  13. 1.85 km NNE of Morgan Hill, California · 17434 days ago · 7 km deep · 93 km away
  14. 2.48 km N of East Foothills, California · 17433 days ago · 6 km deep · 60 km away
  15. 1.56 km E of East Foothills, California · 17432 days ago · 7 km deep · 70 km away
  16. 1.919 km WSW of Diablo Grande, California · 17431 days ago · 8 km deep · 91 km away
  17. 1.51 km WSW of Moskowite Corner, California · 17431 days ago · 12 km deep · 62 km away
  18. 1.72 km W of Cambrian Park, California · 17431 days ago · 8 km deep · 73 km away
  19. 2.116 km NE of East Foothills, California · 17429 days ago · 6 km deep · 68 km away
  20. 1.84 km WSW of North Richmond, California · 17428 days ago · 8 km deep · 18 km away
  21. 1.95 km E of La Honda, California · 17425 days ago · 8 km deep · 62 km away
  22. 1.614 km E of Seven Trees, California · 17424 days ago · 6 km deep · 80 km away
  23. 2.45 km E of Black Point-Green Point, California · 17424 days ago · 12 km deep · 33 km away
  24. 3.65 km E of East Foothills, California · 17423 days ago · 0 km deep · 70 km away
  25. 2.95 km E of East Foothills, California · 17423 days ago · 0 km deep · 70 km away
  26. 1.95 km E of East Foothills, California · 17422 days ago · 0 km deep · 70 km away
  27. 2.11 km WNW of Diablo, California · 17420 days ago · 9 km deep · 23 km away
  28. 1.96 km E of East Foothills, California · 17420 days ago · 1 km deep · 70 km away
  29. 1.82 km W of Cambrian Park, California · 17420 days ago · 7 km deep · 73 km away
  30. 1.82 km WNW of Cambrian Park, California · 17420 days ago · 7 km deep · 72 km away
  31. 1.95 km E of East Foothills, California · 17419 days ago · 0 km deep · 70 km away
  32. 1.76 km E of Sunol, California · 17418 days ago · 9 km deep · 49 km away
  33. 2.52 km SSW of Monument Hills, California · 17417 days ago · 10 km deep · 90 km away
  34. 1.95 km E of East Foothills, California · 17417 days ago · 0 km deep · 70 km away
  35. 1.614 km E of Seven Trees, California · 17416 days ago · 0 km deep · 84 km away
  36. 2.24 km SE of Alum Rock, California · 17416 days ago · 3 km deep · 71 km away
  37. 1.84 km SE of Alum Rock, California · 17416 days ago · 2 km deep · 71 km away
  38. 1.75 km ESE of Alum Rock, California · 17416 days ago · 3 km deep · 72 km away
  39. 2.34 km ESE of Alum Rock, California · 17416 days ago · 2 km deep · 71 km away
  40. 2.04 km ESE of Alum Rock, California · 17416 days ago · 2 km deep · 71 km away
  41. 2.35 km ESE of East Foothills, California · 17416 days ago · 0 km deep · 71 km away
  42. 2.24 km SE of Alum Rock, California · 17416 days ago · 2 km deep · 71 km away
  43. 1.84 km E of East Foothills, California · 17415 days ago · 0 km deep · 69 km away
  44. 1.810 km ESE of East Foothills, California · 17415 days ago · 7 km deep · 75 km away
  45. 3.110 km ESE of East Foothills, California · 17415 days ago · 8 km deep · 75 km away
  46. 2.110 km ESE of East Foothills, California · 17415 days ago · 7 km deep · 75 km away
  47. 1.65 km SE of Alum Rock, California · 17415 days ago · 3 km deep · 72 km away
  48. 1.82 km N of San Leandro, California · 17414 days ago · 3 km deep · 16 km away
  49. 2.53 km S of Diablo, California · 17413 days ago · 19 km deep · 26 km away
  50. 1.74 km SE of Alum Rock, California · 17412 days ago · 2 km deep · 72 km away
  51. 1.7Northern California · 17412 days ago · 3 km deep · 72 km away
  52. 2.54 km SE of Alum Rock, California · 17411 days ago · 3 km deep · 71 km away
  53. 1.55 km SE of Alum Rock, California · 17411 days ago · 2 km deep · 72 km away
  54. 2.620 km NE of Morgan Hill, California · 17410 days ago · 2 km deep · 98 km away
  55. 1.64 km S of Loyola, California · 17410 days ago · 7 km deep · 64 km away
  56. 2.04 km NNW of Winters, California · 17409 days ago · 2 km deep · 79 km away
  57. 1.58 km ENE of Santa Rosa, California · 17408 days ago · 0 km deep · 75 km away
  58. 1.72 km N of Ashland, California · 17407 days ago · 5 km deep · 20 km away
  59. 2.45 km ESE of East Foothills, California · 17406 days ago · 1 km deep · 70 km away
  60. 1.72 km SW of Livermore, California · 17406 days ago · 8 km deep · 45 km away

The first 60 of 72.

Before

  1. 1.912 km ESE of Hidden Valley Lake, California · 17452 days ago · 8 km deep · 100 km away
  2. 2.110 km SE of Sonoma, California · 17454 days ago · 7 km deep · 40 km away
  3. 2.0Northern California · 17455 days ago · 8 km deep · 100 km away
  4. 1.7Northern California · 17456 days ago · 18 km deep · 96 km away
  5. 1.64 km E of Saint Helena, California · 17457 days ago · 5 km deep · 72 km away
  6. 1.512 km ESE of Hidden Valley Lake, California · 17457 days ago · 8 km deep · 100 km away
  7. 2.112 km ESE of Hidden Valley Lake, California · 17457 days ago · 8 km deep · 100 km away
  8. 2.419 km WSW of Diablo Grande, California · 17457 days ago · 7 km deep · 92 km away
  9. 2.48 km SE of Sunol, California · 17461 days ago · 10 km deep · 52 km away
  10. 1.76 km NE of Rohnert Park, California · 17461 days ago · 8 km deep · 68 km away
  11. 2.113 km ESE of Hidden Valley Lake, California · 17464 days ago · 8 km deep · 98 km away
  12. 1.711 km SE of Sunol, California · 17464 days ago · 3 km deep · 55 km away
  13. 2.114 km SE of Livermore, California · 17468 days ago · 1 km deep · 59 km away
  14. 1.74 km E of Livermore, California · 17472 days ago · 9 km deep · 50 km away
  15. 1.510 km ESE of East Foothills, California · 17474 days ago · 8 km deep · 75 km away
  16. 1.810 km ESE of East Foothills, California · 17474 days ago · 8 km deep · 75 km away
  17. 2.112 km SSW of Dillon Beach, California · 17477 days ago · 2 km deep · 74 km away
  18. 1.85 km SSW of Saint Helena, California · 17478 days ago · 5 km deep · 69 km away
  19. 1.916 km ENE of East Foothills, California · 17479 days ago · 6 km deep · 73 km away
  20. 1.89 km ESE of East Foothills, California · 17480 days ago · 8 km deep · 74 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1043742. Read Thu, Sep 24, 2026, 8:49 AM UTC.