California earthquakes

M1.7 earthquake 4 km NNE of Dublin, California

A magnitude 1.7 earthquake struck 4 km NNE of Dublin, California on Wed, Mar 8, 1978, 3:55 AM PST (11:55 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M1.9 3 km NNE of Dublin, 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
1.7 (md), micro
Local time
UTC
1978-03-08 11:55:58 UTC
Depth
8.0 km (5.0 mi), shallow
Epicenter
37.736° N, 121.920° 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
45°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 50 in the 60 days after this one and 36 in the 30 days before it.

After

  1. 1.93 km NNE of Dublin, California · 17730 days ago · 8 km deep · 0 km away
  2. 2.0Northern California · 17730 days ago · 6 km deep · 42 km away
  3. 2.37 km SE of Alum Rock, California · 17728 days ago · 3 km deep · 48 km away
  4. 2.57 km NE of Interlaken, California · 17727 days ago · 11 km deep · 85 km away
  5. 2.21 km SE of Highlands-Baywood Park, California · 17727 days ago · 5 km deep · 44 km away
  6. 2.43 km ESE of Lexington Hills, California · 17726 days ago · 12 km deep · 65 km away
  7. 2.010 km ESE of Sunol, California · 17726 days ago · 7 km deep · 24 km away
  8. 1.83 km ESE of Lexington Hills, California · 17726 days ago · 11 km deep · 65 km away
  9. 2.115 km E of Seven Trees, California · 17725 days ago · 6 km deep · 55 km away
  10. 2.321 km NW of Diablo Grande, California · 17724 days ago · 4 km deep · 47 km away
  11. 1.63 km WSW of Dublin, California · 17724 days ago · 6 km deep · 7 km away
  12. 2.53 km S of Diablo, California · 17724 days ago · 8 km deep · 8 km away
  13. 2.03 km W of Glen Ellen, California · 17723 days ago · 9 km deep · 89 km away
  14. 2.69 km SE of Sunol, California · 17721 days ago · 2 km deep · 24 km away
  15. 1.83 km SW of Loyola, California · 17720 days ago · 5 km deep · 49 km away
  16. 1.81 km N of Pittsburg, California · 17719 days ago · 17 km deep · 34 km away
  17. 1.92 km NW of Diablo Grande, California · 17715 days ago · 0 km deep · 65 km away
  18. 2.85 km SW of Gilroy, California · 17714 days ago · 4 km deep · 89 km away
  19. 1.816 km E of Seven Trees, California · 17711 days ago · 6 km deep · 55 km away
  20. 1.618 km E of East Foothills, California · 17711 days ago · 5 km deep · 50 km away
  21. 1.68 km SE of Sunol, California · 17711 days ago · 3 km deep · 24 km away
  22. 2.01 km WNW of Cambrian Park, California · 17709 days ago · 8 km deep · 53 km away
  23. 2.01 km WNW of Cambrian Park, California · 17709 days ago · 8 km deep · 53 km away
  24. 2.54 km ESE of Piedmont, California · 17709 days ago · 9 km deep · 24 km away
  25. 1.62 km S of Fairview, California · 17709 days ago · 6 km deep · 14 km away
  26. 2.12 km ENE of Berkeley, California · 17709 days ago · 9 km deep · 33 km away
  27. 1.92 km ENE of Berkeley, California · 17709 days ago · 9 km deep · 33 km away
  28. 1.57 km NE of Blackhawk, California · 17707 days ago · 12 km deep · 16 km away
  29. 1.610 km NNE of San Juan Bautista, California · 17705 days ago · 0 km deep · 98 km away
  30. 1.85 km ESE of Knightsen, California · 17705 days ago · 0 km deep · 37 km away
  31. 1.8Northern California · 17704 days ago · 5 km deep · 56 km away
  32. 2.71 km NNW of Alamo, California · 17704 days ago · 9 km deep · 18 km away
  33. 2.31 km NNW of Alamo, California · 17704 days ago · 8 km deep · 18 km away
  34. 2.01 km NNW of Alamo, California · 17704 days ago · 10 km deep · 18 km away
  35. 1.69 km ENE of Gilroy, California · 17701 days ago · 8 km deep · 87 km away
  36. 2.86 km ESE of Sunol, California · 17700 days ago · 11 km deep · 20 km away
  37. 2.119 km W of Volta, California · 17699 days ago · 0 km deep · 97 km away
  38. 2.29 km NW of Hollister, California · 17699 days ago · 6 km deep · 99 km away
  39. 2.015 km E of Seven Trees, California · 17698 days ago · 3 km deep · 55 km away
  40. 1.51 km SSW of Fairview, California · 17697 days ago · 5 km deep · 14 km away
  41. 1.65 km E of Fremont, California · 17697 days ago · 7 km deep · 21 km away
  42. 1.717 km E of East Foothills, California · 17694 days ago · 6 km deep · 50 km away
  43. 2.42 km NW of Concord, California · 17691 days ago · 16 km deep · 31 km away
  44. 1.813 km N of Morgan Hill, California · 17688 days ago · 7 km deep · 59 km away
  45. 2.17 km N of Pittsburg, California · 17684 days ago · 14 km deep · 40 km away
  46. 1.53 km WNW of Moskowite Corner, California · 17681 days ago · 3 km deep · 85 km away
  47. 2.34 km ESE of North Gate, California · 17679 days ago · 12 km deep · 16 km away
  48. 1.63 km SSW of Alamo, California · 17678 days ago · 13 km deep · 15 km away
  49. 2.911 km NNE of Morgan Hill, California · 17674 days ago · 4 km deep · 61 km away
  50. 2.21 km WNW of Alameda, California · 17672 days ago · 8 km deep · 32 km away

Before

  1. 1.63 km NNE of Dublin, California · 17732 days ago · 8 km deep · 0 km away
  2. 1.83 km NNE of Dublin, California · 17732 days ago · 8 km deep · 1 km away
  3. 2.16 km S of Sunol, California · 17733 days ago · 8 km deep · 23 km away
  4. 1.59 km ENE of Milpitas, CA · 17736 days ago · 7 km deep · 31 km away
  5. 2.17 km NE of San Martin, California · 17737 days ago · 1 km deep · 74 km away
  6. 1.71 km N of North Gate, California · 17737 days ago · 10 km deep · 22 km away
  7. 2.31 km NNE of Diablo, California · 17738 days ago · 8 km deep · 12 km away
  8. 1.7Central California · 17739 days ago · 5 km deep · 99 km away
  9. 1.6Northern California · 17741 days ago · 2 km deep · 53 km away
  10. 2.216 km N of Morgan Hill, California · 17743 days ago · 6 km deep · 56 km away
  11. 2.27 km S of Livermore, California · 17745 days ago · 8 km deep · 19 km away
  12. 1.84 km N of Morgan Hill, California · 17745 days ago · 5 km deep · 67 km away
  13. 2.44 km N of Morgan Hill, California · 17745 days ago · 6 km deep · 67 km away
  14. 1.71 km W of Cambrian Park, California · 17746 days ago · 8 km deep · 54 km away
  15. 2.62 km S of Blackhawk, California · 17747 days ago · 8 km deep · 7 km away
  16. 1.6Northern California · 17747 days ago · 5 km deep · 86 km away
  17. 1.510 km NNW of Hollister, California · 17748 days ago · 7 km deep · 98 km away
  18. 2.312 km N of Morgan Hill, California · 17749 days ago · 4 km deep · 60 km away
  19. 2.05 km NNW of East Foothills, California · 17750 days ago · 2 km deep · 35 km away
  20. 2.315 km E of Seven Trees, California · 17750 days ago · 4 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1039206. Read Tue, Sep 22, 2026, 8:59 PM UTC.