California earthquakes

M1.7 earthquake 1 km WSW of Dublin, California

A magnitude 1.7 earthquake struck 1 km WSW of Dublin, California on Sun, Oct 23, 1983, 1:00 PM PDT (20:00 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.2 8 km ENE of Gilroy, California. This one was a foreshock.

Dublin 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-10-23 20:00:26 UTC
Depth
7.5 km (4.7 mi), shallow
Epicenter
37.695° N, 121.950° 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 0.4 km horizontally, 2.1 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
71°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 42 in the 30 days before it.

After

  1. 1.614 km E of Seven Trees, California · 15679 days ago · 2 km deep · 51 km away
  2. 1.78 km N of Hollister, California · 15679 days ago · 8 km deep · 98 km away
  3. 1.84 km SE of North Gate, California · 15677 days ago · 11 km deep · 21 km away
  4. 1.75 km NE of Black Point-Green Point, California · 15676 days ago · 6 km deep · 68 km away
  5. 2.44 km ESE of Sonoma, California · 15675 days ago · 8 km deep · 76 km away
  6. 2.61 km NNE of San Pablo, California · 15674 days ago · 5 km deep · 46 km away
  7. 1.52 km S of Concord, California · 15673 days ago · 11 km deep · 30 km away
  8. 2.06 km SSW of Davenport, California · 15672 days ago · 5 km deep · 86 km away
  9. 1.68 km NNW of Hollister, California · 15671 days ago · 2 km deep · 98 km away
  10. 1.61 km W of Visitacion Valley, California · 15670 days ago · 10 km deep · 41 km away
  11. 1.82 km N of Blackhawk, California · 15670 days ago · 9 km deep · 17 km away
  12. 2.216 km SSW of Point Reyes Station, California · 15668 days ago · 5 km deep · 88 km away
  13. 1.94 km N of Benicia, California · 15668 days ago · 4 km deep · 48 km away
  14. 1.79 km ENE of Milpitas, California · 15667 days ago · 7 km deep · 28 km away
  15. 2.012 km ESE of East Foothills, California · 15667 days ago · 7 km deep · 47 km away
  16. 1.96 km NNE of Interlaken, California · 15666 days ago · 7 km deep · 79 km away
  17. 1.59 km NNE of East Foothills, California · 15665 days ago · 7 km deep · 30 km away
  18. 1.66 km ENE of Corralitos, California · 15664 days ago · 0 km deep · 77 km away
  19. 1.64 km ESE of Piedmont, California · 15663 days ago · 8 km deep · 25 km away
  20. 1.63 km ESE of Berkeley, California · 15661 days ago · 10 km deep · 32 km away
  21. 1.81 km NNW of Point Reyes Station, California · 15661 days ago · 2 km deep · 88 km away
  22. 2.215 km N of Morgan Hill, California · 15660 days ago · 2 km deep · 54 km away
  23. 2.24 km NNE of San Leandro, California · 15657 days ago · 8 km deep · 18 km away
  24. 3.05 km SW of Dublin, California · 15656 days ago · 11 km deep · 4 km away
  25. 2.45 km W of Glen Ellen, California · 15654 days ago · 6 km deep · 93 km away
  26. 2.16 km WSW of Gilroy, California · 15653 days ago · 4 km deep · 84 km away
  27. 1.75 km NE of San Martin, California · 15653 days ago · 3 km deep · 72 km away
  28. 2.35 km NE of San Martin, California · 15653 days ago · 3 km deep · 72 km away
  29. 2.15 km NE of San Martin, California · 15653 days ago · 3 km deep · 72 km away
  30. 1.75 km W of Glen Ellen, California · 15652 days ago · 4 km deep · 93 km away
  31. 1.62 km SE of Pacheco, California · 15651 days ago · 8 km deep · 32 km away
  32. 1.915 km S of Pescadero, California · 15650 days ago · 10 km deep · 73 km away
  33. 2.010 km N of Pittsburg, California · 15649 days ago · 17 km deep · 48 km away
  34. 1.722 km NE of Morgan Hill, California · 15649 days ago · 2 km deep · 62 km away
  35. 2.57 km SSE of Gilroy, California · 15648 days ago · 4 km deep · 91 km away
  36. 1.67 km SSE of Gilroy, California · 15648 days ago · 5 km deep · 91 km away
  37. 2.317 km W of Volta, California · 15647 days ago · 0 km deep · 97 km away
  38. 1.715 km E of Seven Trees, California · 15646 days ago · 2 km deep · 52 km away
  39. 1.612 km NNW of Moskowite Corner, California · 15646 days ago · 18 km deep · 98 km away
  40. 1.63 km ESE of Moskowite Corner, California · 15645 days ago · 7 km deep · 84 km away
  41. 1.98 km NE of San Martin, California · 15644 days ago · 8 km deep · 72 km away
  42. 2.22 km NNE of Diablo, California · 15644 days ago · 10 km deep · 18 km away
  43. 1.97 km E of Penngrove, California · 15643 days ago · 4 km deep · 86 km away
  44. 1.612 km NW of Diablo Grande, California · 15641 days ago · 3 km deep · 56 km away
  45. 1.822 km WNW of Diablo Grande, California · 15639 days ago · 5 km deep · 47 km away
  46. 2.99 km ESE of East Foothills, California · 15636 days ago · 7 km deep · 43 km away
  47. 2.410 km ESE of East Foothills, California · 15636 days ago · 8 km deep · 44 km away
  48. 2.56 km E of Penngrove, California · 15636 days ago · 5 km deep · 86 km away
  49. 2.010 km SSE of Livermore, California · 15635 days ago · 5 km deep · 23 km away
  50. 2.16 km E of East Foothills, California · 15633 days ago · 6 km deep · 39 km away
  51. 2.213 km ESE of Angwin, California · 15631 days ago · -1 km deep · 99 km away
  52. 2.03 km NNW of Pittsburg, California · 15630 days ago · 18 km deep · 41 km away
  53. 3.28 km ENE of Gilroy, California · 15629 days ago · 8 km deep · 84 km away
  54. 1.87 km WSW of Gilroy, California · 15629 days ago · 4 km deep · 85 km away
  55. 1.63 km SE of Pittsburg, California · 15628 days ago · 4 km deep · 35 km away
  56. 1.53 km ESE of Aromas, California · 15627 days ago · 6 km deep · 96 km away
  57. 2.21 km SSE of East Richmond Heights, California · 15624 days ago · 4 km deep · 41 km away

Before

  1. 1.91 km WSW of Dublin, California · 15684 days ago · 8 km deep · 0 km away
  2. 1.68 km NE of Milpitas, California · 15684 days ago · 6 km deep · 25 km away
  3. 2.43 km W of Livermore, California · 15684 days ago · 16 km deep · 12 km away
  4. 2.23 km W of Livermore, California · 15684 days ago · 14 km deep · 12 km away
  5. 3.612 km ESE of East Foothills, California · 15684 days ago · 7 km deep · 47 km away
  6. 1.98 km ENE of Morgan Hill, California · 15685 days ago · 2 km deep · 68 km away
  7. 2.27 km NE of San Juan Bautista, California · 15686 days ago · 5 km deep · 97 km away
  8. 1.55 km NE of Black Point-Green Point, California · 15687 days ago · 5 km deep · 69 km away
  9. 1.84 km ESE of South San Francisco, California · 15687 days ago · 7 km deep · 37 km away
  10. 1.814 km E of Seven Trees, California · 15688 days ago · 7 km deep · 49 km away
  11. 1.93 km NE of Fremont, California · 15689 days ago · 4 km deep · 14 km away
  12. 1.73 km E of Vine Hill, California · 15689 days ago · 8 km deep · 37 km away
  13. 2.00 km NNW of Visitacion Valley, California · 15690 days ago · 7 km deep · 40 km away
  14. 1.613 km NW of Moskowite Corner, California · 15690 days ago · 9 km deep · 99 km away
  15. 2.111 km NNE of Livermore, California · 15691 days ago · 13 km deep · 21 km away
  16. 2.12 km S of Diablo, California · 15693 days ago · 7 km deep · 13 km away
  17. 1.77 km WNW of Broadmoor, California · 15694 days ago · 6 km deep · 53 km away
  18. 1.910 km SSE of Muir Beach, California · 15694 days ago · 11 km deep · 54 km away
  19. 2.314 km S of Mountain House, California · 15694 days ago · 9 km deep · 33 km away
  20. 3.012 km WSW of Byron, California · 15697 days ago · 12 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1105486. Read Thu, Oct 1, 2026, 9:49 AM UTC.