California earthquakes

M2.0 earthquake 7 km NE of Tracy, California

A magnitude 2.0 earthquake struck 7 km NE of Tracy, California on Wed, Sep 26, 1984, 10:54 PM PDT (05:54 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.9 19 km E of Seven Trees, California. This one was a foreshock.

Tracy forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
2.0 (md), micro
Local time
UTC
1984-09-27 05:54:29 UTC
Depth
13.2 km (8.2 mi), shallow
Epicenter
37.783° N, 121.364° 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
±0.12
Depth from
From location
Station coverage gap
70°
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 123 in the 60 days after this one and 61 in the 30 days before it.

After

  1. 1.716 km E of Seven Trees, California · 15343 days ago · 5 km deep · 62 km away
  2. 1.56 km NE of Interlaken, California · 15343 days ago · 9 km deep · 92 km away
  3. 1.99 km NE of Gilroy, California · 15343 days ago · 8 km deep · 82 km away
  4. 1.611 km ESE of East Foothills, California · 15343 days ago · 7 km deep · 58 km away
  5. 2.09 km ESE of East Foothills, California · 15343 days ago · 5 km deep · 57 km away
  6. 1.54 km NNE of East Foothills, California · 15342 days ago · 1 km deep · 56 km away
  7. 2.54 km WNW of Orinda, California · 15341 days ago · 6 km deep · 76 km away
  8. 1.911 km ESE of East Foothills, California · 15341 days ago · 7 km deep · 58 km away
  9. 1.716 km E of Seven Trees, California · 15340 days ago · 7 km deep · 61 km away
  10. 1.69 km NE of Gilroy, California · 15340 days ago · 8 km deep · 82 km away
  11. 1.714 km N of Morgan Hill, California · 15339 days ago · 6 km deep · 63 km away
  12. 1.618 km E of Seven Trees, California · 15339 days ago · 5 km deep · 59 km away
  13. 1.67 km NE of East Foothills, California · 15338 days ago · 10 km deep · 53 km away
  14. 1.86 km ENE of Milpitas, California · 15338 days ago · 1 km deep · 55 km away
  15. 2.45 km NW of Montalvin, California · 15337 days ago · 6 km deep · 93 km away
  16. 1.55 km SSW of Gilroy, California · 15337 days ago · 3 km deep · 93 km away
  17. 1.73 km E of Brentwood, California · 15336 days ago · 0 km deep · 31 km away
  18. 1.68 km NE of San Martin, California · 15336 days ago · 7 km deep · 73 km away
  19. 2.513 km N of Morgan Hill, California · 15335 days ago · 4 km deep · 64 km away
  20. 1.813 km N of Morgan Hill, California · 15335 days ago · 4 km deep · 64 km away
  21. 2.69 km ENE of Seven Trees, California · 15335 days ago · 6 km deep · 62 km away
  22. 1.63 km SSE of Pleasanton, California · 15335 days ago · 4 km deep · 47 km away
  23. 1.55 km NE of Fairview, California · 15335 days ago · 7 km deep · 57 km away
  24. 1.82 km N of Piedmont, California · 15335 days ago · 6 km deep · 76 km away
  25. 1.69 km NNE of Morgan Hill, California · 15334 days ago · 3 km deep · 68 km away
  26. 1.69 km ENE of Seven Trees, California · 15334 days ago · 5 km deep · 62 km away
  27. 2.312 km ESE of East Foothills, California · 15334 days ago · 6 km deep · 59 km away
  28. 1.79 km ENE of Seven Trees, California · 15334 days ago · 5 km deep · 62 km away
  29. 1.611 km ESE of East Foothills, California · 15333 days ago · 6 km deep · 56 km away
  30. 1.66 km NE of Interlaken, California · 15332 days ago · 8 km deep · 92 km away
  31. 2.015 km E of Seven Trees, California · 15331 days ago · 3 km deep · 62 km away
  32. 2.218 km ESE of East Foothills, California · 15330 days ago · 0 km deep · 55 km away
  33. 1.611 km SE of Sunol, California · 15330 days ago · 8 km deep · 46 km away
  34. 1.84 km SSW of Port Costa, California · 15330 days ago · 10 km deep · 77 km away
  35. 2.00 km WNW of Acalanes Ridge, California · 15330 days ago · 7 km deep · 65 km away
  36. 2.510 km N of Morgan Hill, California · 15329 days ago · 7 km deep · 67 km away
  37. 1.99 km N of Day Valley, California · 15327 days ago · 10 km deep · 87 km away
  38. 1.915 km E of Seven Trees, California · 15327 days ago · 5 km deep · 61 km away
  39. 2.17 km SSW of Merced, California · 15327 days ago · 16 km deep · 97 km away
  40. 1.88 km ENE of Gilroy, California · 15327 days ago · 8 km deep · 82 km away
  41. 1.89 km ESE of East Foothills, California · 15325 days ago · 6 km deep · 57 km away
  42. 2.412 km E of Blackhawk, California · 15325 days ago · 13 km deep · 36 km away
  43. 1.616 km N of Morgan Hill, California · 15325 days ago · 5 km deep · 62 km away
  44. 2.02 km W of Dublin, California · 15325 days ago · 9 km deep · 53 km away
  45. 2.413 km ESE of Alum Rock, California · 15323 days ago · 7 km deep · 59 km away
  46. 2.19 km ESE of East Foothills, California · 15321 days ago · 5 km deep · 57 km away
  47. 1.711 km ESE of East Foothills, California · 15321 days ago · 7 km deep · 58 km away
  48. 1.99 km N of Boulder Creek, California · 15320 days ago · 11 km deep · 92 km away
  49. 1.58 km NE of San Martin, California · 15320 days ago · 7 km deep · 74 km away
  50. 2.311 km SSE of Livermore, California · 15320 days ago · 5 km deep · 36 km away
  51. 2.618 km ESE of East Foothills, California · 15320 days ago · 6 km deep · 57 km away
  52. 2.67 km WSW of Gilroy, California · 15318 days ago · 5 km deep · 92 km away
  53. 2.48 km ESE of East Foothills, California · 15318 days ago · 8 km deep · 57 km away
  54. 1.69 km ESE of East Foothills, California · 15318 days ago · 8 km deep · 57 km away
  55. 1.82 km ESE of Berkeley, California · 15318 days ago · 5 km deep · 78 km away
  56. 1.79 km NNE of San Martin, California · 15317 days ago · 5 km deep · 71 km away
  57. 2.68 km NE of Gilroy, California · 15317 days ago · 3 km deep · 82 km away
  58. 1.88 km N of Interlaken, California · 15317 days ago · 11 km deep · 90 km away
  59. 2.07 km ENE of Winters, California · 15316 days ago · 12 km deep · 97 km away
  60. 1.88 km SSE of Copperopolis, California · 15315 days ago · 4 km deep · 70 km away

The first 60 of 123.

Before

  1. 1.89 km ESE of East Foothills, California · 15344 days ago · 7 km deep · 57 km away
  2. 4.411 km ESE of East Foothills, California · 15344 days ago · 7 km deep · 58 km away
  3. 1.72 km NNE of Napa, California · 15344 days ago · 1 km deep · 99 km away
  4. 1.62 km E of Berkeley, California · 15345 days ago · 6 km deep · 78 km away
  5. 1.615 km E of Seven Trees, California · 15345 days ago · 6 km deep · 62 km away
  6. 1.815 km E of Seven Trees, California · 15345 days ago · 5 km deep · 62 km away
  7. 1.712 km WSW of Byron, California · 15345 days ago · 12 km deep · 35 km away
  8. 1.611 km SW of Brentwood, California · 15346 days ago · 13 km deep · 37 km away
  9. 1.617 km NNE of Morgan Hill, California · 15347 days ago · 2 km deep · 60 km away
  10. 2.39 km NW of Hollister, California · 15347 days ago · 4 km deep · 97 km away
  11. 1.614 km N of Morgan Hill, California · 15348 days ago · 5 km deep · 63 km away
  12. 2.110 km N of Pittsburg, California · 15348 days ago · 20 km deep · 59 km away
  13. 1.57 km N of Morgan Hill, California · 15349 days ago · 3 km deep · 70 km away
  14. 1.710 km NE of Gilroy, California · 15350 days ago · 8 km deep · 79 km away
  15. 2.111 km NNE of Morgan Hill, California · 15351 days ago · 5 km deep · 65 km away
  16. 2.53 km E of Berkeley, California · 15352 days ago · 9 km deep · 77 km away
  17. 1.713 km N of Morgan Hill, California · 15354 days ago · 5 km deep · 64 km away
  18. 1.7Northern California · 15355 days ago · 4 km deep · 59 km away
  19. 1.916 km E of Seven Trees, California · 15355 days ago · 4 km deep · 62 km away
  20. 2.24 km W of Vallejo, California · 15356 days ago · 8 km deep · 90 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc28652. Read Wed, Sep 30, 2026, 11:45 PM UTC.