California earthquakes

M2.5 earthquake 3 km E of Berkeley, California

A magnitude 2.5 earthquake struck 3 km E of Berkeley, California on Tue, Sep 18, 1984, 10:56 PM PDT (05:56 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M4.4 11 km ESE 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
2.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1984-09-19 05:56:59 UTC
Depth
8.5 km (5.3 mi), shallow
Epicenter
37.871° N, 122.238° 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, 0.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
35°
Stations used
63

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 120 in the 60 days after this one and 65 in the 30 days before it.

After

  1. 2.111 km NNE of Morgan Hill, California · 15352 days ago · 5 km deep · 89 km away
  2. 1.77 km SW of Calistoga, California · 15351 days ago · 5 km deep · 81 km away
  3. 1.57 km N of Morgan Hill, California · 15349 days ago · 3 km deep · 91 km away
  4. 2.110 km N of Pittsburg, California · 15348 days ago · 20 km deep · 42 km away
  5. 1.614 km N of Morgan Hill, California · 15348 days ago · 5 km deep · 86 km away
  6. 1.617 km NNE of Morgan Hill, California · 15348 days ago · 2 km deep · 87 km away
  7. 1.611 km SW of Brentwood, California · 15347 days ago · 13 km deep · 40 km away
  8. 1.712 km WSW of Byron, California · 15346 days ago · 12 km deep · 42 km away
  9. 1.815 km E of Seven Trees, California · 15345 days ago · 5 km deep · 83 km away
  10. 1.615 km E of Seven Trees, California · 15345 days ago · 6 km deep · 83 km away
  11. 1.62 km E of Berkeley, California · 15345 days ago · 6 km deep · 1 km away
  12. 1.72 km NNE of Napa, California · 15345 days ago · 1 km deep · 50 km away
  13. 2.45 km WSW of Glen Ellen, California · 15345 days ago · 5 km deep · 61 km away
  14. 4.411 km ESE of East Foothills, California · 15345 days ago · 7 km deep · 76 km away
  15. 1.95 km WSW of Glen Ellen, California · 15345 days ago · 3 km deep · 61 km away
  16. 1.89 km ESE of East Foothills, California · 15344 days ago · 7 km deep · 74 km away
  17. 2.07 km NE of Tracy, California · 15344 days ago · 13 km deep · 77 km away
  18. 1.716 km E of Seven Trees, California · 15344 days ago · 5 km deep · 83 km away
  19. 1.611 km ESE of East Foothills, California · 15343 days ago · 7 km deep · 76 km away
  20. 1.815 km ESE of Hidden Valley Lake, California · 15343 days ago · 5 km deep · 98 km away
  21. 2.09 km ESE of East Foothills, California · 15343 days ago · 5 km deep · 74 km away
  22. 1.54 km NNE of East Foothills, California · 15342 days ago · 1 km deep · 63 km away
  23. 2.54 km WNW of Orinda, California · 15342 days ago · 6 km deep · 3 km away
  24. 1.57 km SW of Calistoga, California · 15341 days ago · 5 km deep · 81 km away
  25. 1.911 km ESE of East Foothills, California · 15341 days ago · 7 km deep · 76 km away
  26. 1.716 km E of Seven Trees, California · 15340 days ago · 7 km deep · 83 km away
  27. 1.714 km N of Morgan Hill, California · 15340 days ago · 6 km deep · 86 km away
  28. 1.618 km E of Seven Trees, California · 15340 days ago · 5 km deep · 83 km away
  29. 1.67 km NE of East Foothills, California · 15338 days ago · 10 km deep · 64 km away
  30. 1.86 km ENE of Milpitas, California · 15338 days ago · 1 km deep · 57 km away
  31. 2.45 km NW of Montalvin, California · 15338 days ago · 6 km deep · 21 km away
  32. 1.73 km E of Brentwood, California · 15336 days ago · 0 km deep · 51 km away
  33. 2.513 km N of Morgan Hill, California · 15336 days ago · 4 km deep · 87 km away
  34. 1.813 km N of Morgan Hill, California · 15335 days ago · 4 km deep · 86 km away
  35. 2.69 km ENE of Seven Trees, California · 15335 days ago · 6 km deep · 77 km away
  36. 1.63 km SSE of Pleasanton, California · 15335 days ago · 4 km deep · 42 km away
  37. 1.55 km NE of Fairview, California · 15335 days ago · 7 km deep · 28 km away
  38. 1.82 km N of Piedmont, California · 15335 days ago · 6 km deep · 3 km away
  39. 1.69 km NNE of Morgan Hill, California · 15335 days ago · 3 km deep · 94 km away
  40. 1.69 km ENE of Seven Trees, California · 15335 days ago · 5 km deep · 76 km away
  41. 2.312 km ESE of East Foothills, California · 15334 days ago · 6 km deep · 77 km away
  42. 1.79 km ENE of Seven Trees, California · 15334 days ago · 5 km deep · 77 km away
  43. 1.611 km ESE of East Foothills, California · 15334 days ago · 6 km deep · 75 km away
  44. 2.13 km NNW of Moskowite Corner, California · 15332 days ago · 0 km deep · 67 km away
  45. 2.015 km E of Seven Trees, California · 15331 days ago · 3 km deep · 82 km away
  46. 2.218 km ESE of East Foothills, California · 15331 days ago · 0 km deep · 81 km away
  47. 1.611 km SE of Sunol, California · 15331 days ago · 8 km deep · 55 km away
  48. 1.84 km SSW of Port Costa, California · 15330 days ago · 10 km deep · 16 km away
  49. 2.00 km WNW of Acalanes Ridge, California · 15330 days ago · 7 km deep · 14 km away
  50. 2.510 km N of Morgan Hill, California · 15329 days ago · 7 km deep · 89 km away
  51. 1.62 km WNW of Fulton, California · 15328 days ago · 2 km deep · 85 km away
  52. 1.99 km N of Day Valley, California · 15328 days ago · 10 km deep · 90 km away
  53. 1.915 km E of Seven Trees, California · 15328 days ago · 5 km deep · 82 km away
  54. 1.89 km ESE of East Foothills, California · 15326 days ago · 6 km deep · 73 km away
  55. 2.412 km E of Blackhawk, California · 15326 days ago · 13 km deep · 42 km away
  56. 1.616 km N of Morgan Hill, California · 15326 days ago · 5 km deep · 84 km away
  57. 2.02 km W of Dublin, California · 15325 days ago · 9 km deep · 31 km away
  58. 2.413 km ESE of Alum Rock, California · 15323 days ago · 7 km deep · 79 km away
  59. 2.19 km ESE of East Foothills, California · 15321 days ago · 5 km deep · 73 km away
  60. 1.711 km ESE of East Foothills, California · 15321 days ago · 7 km deep · 76 km away

The first 60 of 120.

Before

  1. 1.713 km N of Morgan Hill, California · 15354 days ago · 5 km deep · 87 km away
  2. 2.16 km ENE of Rohnert Park, California · 15354 days ago · 4 km deep · 63 km away
  3. 1.66 km SW of Eldridge, California · 15355 days ago · 5 km deep · 57 km away
  4. 1.7Northern California · 15355 days ago · 4 km deep · 78 km away
  5. 1.916 km E of Seven Trees, California · 15356 days ago · 4 km deep · 84 km away
  6. 2.24 km W of Vallejo, California · 15357 days ago · 8 km deep · 27 km away
  7. 2.738 km WSW of Inverness, California · 15357 days ago · 23 km deep · 87 km away
  8. 1.914 km ESE of East Foothills, California · 15357 days ago · 0 km deep · 78 km away
  9. 1.69 km NNE of East Foothills, California · 15357 days ago · 7 km deep · 61 km away
  10. 1.617 km WNW of Diablo Grande, California · 15357 days ago · 4 km deep · 83 km away
  11. 1.612 km NE of Milpitas, California · 15357 days ago · 8 km deep · 56 km away
  12. 1.614 km N of Morgan Hill, California · 15358 days ago · 5 km deep · 86 km away
  13. 2.09 km ESE of East Foothills, California · 15358 days ago · 8 km deep · 75 km away
  14. 2.49 km ESE of East Foothills, California · 15358 days ago · 7 km deep · 74 km away
  15. 1.89 km ESE of East Foothills, California · 15358 days ago · 7 km deep · 74 km away
  16. 1.813 km ESE of East Foothills, California · 15358 days ago · 7 km deep · 78 km away
  17. 1.92 km ESE of Deer Park, California · 15358 days ago · 0 km deep · 74 km away
  18. 2.111 km ESE of East Foothills, California · 15358 days ago · 5 km deep · 76 km away
  19. 1.62 km E of North Gate, California · 15358 days ago · 10 km deep · 23 km away
  20. 2.24 km SSW of Green Valley, California · 15359 days ago · 6 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc28136. Read Thu, Oct 1, 2026, 8:45 AM UTC.