California earthquakes

M2.1 earthquake 2 km E of North Gate, California

A magnitude 2.1 earthquake struck 2 km E of North Gate, California on Sat, Jan 21, 1978, 7:56 PM PST (03:56 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.5 2 km E of North Gate, 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
1978-01-22 03:56:54 UTC
Depth
12.9 km (8.0 mi), shallow
Epicenter
37.904° N, 121.965° 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, 0.5 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
74°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 56 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 2.02 km E of North Gate, California · 17776 days ago · 13 km deep · 0 km away
  2. 2.52 km E of North Gate, California · 17775 days ago · 14 km deep · 0 km away
  3. 1.74 km N of Union City, California · 17775 days ago · 7 km deep · 30 km away
  4. 1.93 km E of Saint Helena, California · 17770 days ago · 11 km deep · 78 km away
  5. 1.97 km SW of Calistoga, California · 17768 days ago · 5 km deep · 91 km away
  6. 2.08 km S of Calistoga, California · 17766 days ago · 7 km deep · 85 km away
  7. 1.92 km E of North Gate, California · 17764 days ago · 14 km deep · 0 km away
  8. 1.72 km E of North Gate, California · 17764 days ago · 14 km deep · 0 km away
  9. 2.410 km SW of Brentwood, California · 17762 days ago · 20 km deep · 18 km away
  10. 2.31 km W of Angwin, California · 17762 days ago · 8 km deep · 87 km away
  11. 2.15 km E of Fremont, California · 17760 days ago · 9 km deep · 40 km away
  12. 2.35 km E of Fremont, California · 17760 days ago · 9 km deep · 40 km away
  13. 1.94 km E of Fremont, California · 17760 days ago · 9 km deep · 40 km away
  14. 1.75 km E of Fremont, California · 17759 days ago · 9 km deep · 40 km away
  15. 2.311 km E of Blackhawk, California · 17759 days ago · 10 km deep · 20 km away
  16. 2.112 km ESE of Livermore, California · 17758 days ago · 8 km deep · 42 km away
  17. 2.811 km ESE of Livermore, California · 17757 days ago · 8 km deep · 41 km away
  18. 1.611 km ESE of Livermore, California · 17757 days ago · 7 km deep · 41 km away
  19. 1.612 km N of Morgan Hill, California · 17752 days ago · 3 km deep · 79 km away
  20. 2.85 km ESE of Santa Rosa, California · 17752 days ago · 9 km deep · 83 km away
  21. 2.55 km ESE of Santa Rosa, California · 17752 days ago · 9 km deep · 83 km away
  22. 2.09 km ESE of Black Point-Green Point, California · 17750 days ago · 11 km deep · 44 km away
  23. 2.315 km E of Seven Trees, California · 17750 days ago · 4 km deep · 73 km away
  24. 2.05 km NNW of East Foothills, California · 17750 days ago · 2 km deep · 54 km away
  25. 2.312 km N of Morgan Hill, California · 17749 days ago · 4 km deep · 79 km away
  26. 2.62 km S of Blackhawk, California · 17747 days ago · 8 km deep · 13 km away
  27. 1.71 km W of Cambrian Park, California · 17746 days ago · 8 km deep · 72 km away
  28. 2.44 km N of Morgan Hill, California · 17745 days ago · 6 km deep · 86 km away
  29. 1.84 km N of Morgan Hill, California · 17745 days ago · 5 km deep · 86 km away
  30. 2.27 km S of Livermore, California · 17745 days ago · 8 km deep · 37 km away
  31. 2.216 km N of Morgan Hill, California · 17743 days ago · 6 km deep · 75 km away
  32. 1.88 km S of Calistoga, California · 17743 days ago · 6 km deep · 85 km away
  33. 1.6Northern California · 17740 days ago · 2 km deep · 72 km away
  34. 2.31 km NNE of Diablo, California · 17737 days ago · 8 km deep · 7 km away
  35. 1.71 km N of North Gate, California · 17737 days ago · 10 km deep · 3 km away
  36. 2.17 km NE of San Martin, California · 17737 days ago · 1 km deep · 92 km away
  37. 1.59 km ENE of Milpitas, CA · 17735 days ago · 7 km deep · 50 km away
  38. 2.16 km S of Sunol, California · 17733 days ago · 8 km deep · 42 km away
  39. 1.83 km NNE of Dublin, California · 17732 days ago · 8 km deep · 19 km away
  40. 1.63 km NNE of Dublin, California · 17732 days ago · 8 km deep · 19 km away
  41. 1.74 km NNE of Dublin, California · 17730 days ago · 8 km deep · 19 km away
  42. 1.93 km NNE of Dublin, California · 17730 days ago · 8 km deep · 19 km away
  43. 2.0Northern California · 17730 days ago · 6 km deep · 61 km away
  44. 2.37 km SE of Alum Rock, California · 17728 days ago · 3 km deep · 67 km away
  45. 2.21 km SE of Highlands-Baywood Park, California · 17726 days ago · 5 km deep · 54 km away
  46. 2.43 km ESE of Lexington Hills, California · 17726 days ago · 12 km deep · 84 km away
  47. 2.010 km ESE of Sunol, California · 17726 days ago · 7 km deep · 42 km away
  48. 1.83 km ESE of Lexington Hills, California · 17726 days ago · 11 km deep · 83 km away
  49. 2.115 km E of Seven Trees, California · 17725 days ago · 6 km deep · 73 km away
  50. 2.321 km NW of Diablo Grande, California · 17724 days ago · 4 km deep · 62 km away
  51. 1.63 km WSW of Dublin, California · 17724 days ago · 6 km deep · 24 km away
  52. 2.53 km S of Diablo, California · 17724 days ago · 8 km deep · 11 km away
  53. 2.03 km W of Glen Ellen, California · 17723 days ago · 9 km deep · 73 km away
  54. 2.69 km SE of Sunol, California · 17721 days ago · 2 km deep · 43 km away
  55. 1.83 km SW of Loyola, California · 17719 days ago · 5 km deep · 66 km away
  56. 1.81 km N of Pittsburg, California · 17719 days ago · 17 km deep · 17 km away

Before

  1. 1.921 km SW of Diablo Grande, California · 17776 days ago · 7 km deep · 81 km away
  2. 2.66 km WNW of Broadmoor, California · 17780 days ago · 5 km deep · 56 km away
  3. 1.93 km N of Union City, California · 17781 days ago · 5 km deep · 31 km away
  4. 2.12 km WSW of San Ramon, California · 17783 days ago · 9 km deep · 15 km away
  5. 2.12 km SW of Los Altos Hills, California · 17784 days ago · 7 km deep · 62 km away
  6. 1.93 km NE of Santa Rosa, California · 17785 days ago · 8 km deep · 89 km away
  7. 2.32 km SSW of Monument Hills, California · 17785 days ago · 10 km deep · 83 km away
  8. 2.51 km S of Diablo, California · 17785 days ago · 14 km deep · 9 km away
  9. 1.96 km SSE of Moskowite Corner, California · 17786 days ago · 4 km deep · 57 km away
  10. 1.71 km S of Diablo, California · 17786 days ago · 12 km deep · 9 km away
  11. 1.80 km ESE of Fairview, California · 17787 days ago · 10 km deep · 26 km away
  12. 1.614 km E of Seven Trees, California · 17789 days ago · 2 km deep · 72 km away
  13. 2.79 km NNE of Larkfield-Wikiup, California · 17792 days ago · 3 km deep · 100 km away
  14. 2.36 km ESE of East Foothills, California · 17800 days ago · 2 km deep · 63 km away
  15. 2.17 km WNW of Broadmoor, California · 17802 days ago · 4 km deep · 57 km away
  16. 1.714 km E of Seven Trees, California · 17803 days ago · 3 km deep · 73 km away
  17. 1.623 km WNW of Diablo Grande, California · 17804 days ago · 2 km deep · 63 km away
  18. 1.68 km NE of Milpitas, California · 17805 days ago · 7 km deep · 49 km away
  19. 1.710 km ESE of East Foothills, California · 17805 days ago · 7 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1038683. Read Tue, Sep 22, 2026, 5:05 PM UTC.