California earthquakes

M1.7 earthquake 5 km SSE of Herald, California

A magnitude 1.7 earthquake struck 5 km SSE of Herald, California on Tue, Feb 10, 1981, 2:29 AM PST (10:29 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.6 0 km SSE of North Gate, California. This one was a foreshock.

Herald 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
1.7 (md), micro
Local time
UTC
1981-02-10 10:29:13 UTC
Depth
-0.2 km (-0.1 mi), shallow
Epicenter
38.250° N, 121.225° 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 4.2 km horizontally, 7.5 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
242°, poorly surrounded by stations
Stations used
8

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 22 in the 30 days before it.

After

  1. 2.60 km SSE of North Gate, California · 16659 days ago · 11 km deep · 78 km away
  2. 3.09 km SW of Brentwood, California · 16659 days ago · 17 km deep · 63 km away
  3. 2.315 km SSE of Livermore, California · 16659 days ago · 1 km deep · 86 km away
  4. 2.19 km SSE of Sunol, California · 16654 days ago · 9 km deep · 100 km away
  5. 1.712 km ESE of Livermore, California · 16653 days ago · 8 km deep · 77 km away
  6. 1.911 km E of Blackhawk, California · 16652 days ago · 10 km deep · 67 km away
  7. 1.50 km N of Pleasant Hill, California · 16648 days ago · 7 km deep · 80 km away
  8. 2.011 km E of Blackhawk, California · 16644 days ago · 11 km deep · 67 km away
  9. 1.61 km NNW of Pleasant Hill, California · 16642 days ago · 8 km deep · 80 km away
  10. 1.615 km SSE of Livermore, California · 16642 days ago · 2 km deep · 86 km away
  11. 1.615 km SSE of Livermore, California · 16642 days ago · 2 km deep · 87 km away
  12. 1.715 km SSE of Livermore, California · 16641 days ago · 3 km deep · 86 km away
  13. 2.614 km SSE of Livermore, California · 16641 days ago · 2 km deep · 86 km away
  14. 1.82 km SW of Moskowite Corner, California · 16640 days ago · 8 km deep · 89 km away
  15. 2.34 km E of Fremont, California · 16639 days ago · 10 km deep · 100 km away
  16. 4.45 km E of Fremont, California · 16639 days ago · 12 km deep · 99 km away
  17. 2.25 km E of Fremont, California · 16639 days ago · 10 km deep · 100 km away
  18. 2.15 km E of Fremont, California · 16639 days ago · 9 km deep · 100 km away
  19. 3.05 km E of Fremont, California · 16639 days ago · 11 km deep · 100 km away
  20. 1.74 km E of Fremont, California · 16639 days ago · 8 km deep · 100 km away
  21. 1.65 km E of Fremont, California · 16639 days ago · 9 km deep · 100 km away
  22. 2.45 km E of Fremont, California · 16639 days ago · 9 km deep · 100 km away
  23. 1.64 km E of Fremont, California · 16639 days ago · 14 km deep · 100 km away
  24. 1.65 km E of Fremont, California · 16639 days ago · 6 km deep · 100 km away
  25. 1.86 km E of Fremont, California · 16639 days ago · 9 km deep · 100 km away
  26. 2.15 km E of Fremont, California · 16639 days ago · 9 km deep · 100 km away
  27. 1.75 km E of Fremont, California · 16639 days ago · 9 km deep · 99 km away
  28. 1.85 km E of Fremont, California · 16639 days ago · 9 km deep · 100 km away
  29. 2.05 km E of Fremont, California · 16639 days ago · 9 km deep · 100 km away
  30. 1.74 km E of Fremont, California · 16639 days ago · 9 km deep · 100 km away
  31. 1.65 km E of Fremont, California · 16639 days ago · 10 km deep · 99 km away
  32. 1.84 km E of Fremont, California · 16639 days ago · 9 km deep · 100 km away
  33. 1.85 km SSW of Sunol, California · 16639 days ago · 11 km deep · 99 km away
  34. 2.39 km NNE of Livermore, California · 16639 days ago · 13 km deep · 70 km away
  35. 1.94 km E of Fremont, California · 16638 days ago · 10 km deep · 100 km away
  36. 1.85 km E of Fremont, California · 16638 days ago · 10 km deep · 99 km away
  37. 1.62 km ENE of Pacheco, California · 16637 days ago · 15 km deep · 78 km away
  38. 1.64 km E of Fremont, California · 16636 days ago · 8 km deep · 100 km away
  39. 1.82 km SSW of Pittsburg, California · 16632 days ago · 18 km deep · 65 km away
  40. 1.75 km E of Fremont, California · 16629 days ago · 5 km deep · 100 km away
  41. 1.75 km E of Fremont, California · 16628 days ago · 9 km deep · 100 km away
  42. 1.73 km N of Piedmont, California · 16628 days ago · 11 km deep · 98 km away
  43. 3.19 km SW of Brentwood, California · 16627 days ago · 16 km deep · 64 km away
  44. 2.74 km NW of Lincoln, California · 16626 days ago · 10 km deep · 75 km away
  45. 3.04 km NW of Lincoln, California · 16626 days ago · 9 km deep · 74 km away
  46. 1.611 km E of Blackhawk, California · 16622 days ago · 11 km deep · 68 km away
  47. 1.64 km NW of Dublin, California · 16621 days ago · 7 km deep · 88 km away
  48. 2.23 km NNW of Castro Valley, California · 16618 days ago · 10 km deep · 96 km away
  49. 3.114 km SSE of Livermore, California · 16617 days ago · 2 km deep · 86 km away
  50. 1.614 km SSE of Livermore, California · 16616 days ago · 2 km deep · 86 km away
  51. 1.515 km SSE of Livermore, California · 16614 days ago · 2 km deep · 87 km away
  52. 1.96 km S of Sunol, California · 16609 days ago · 9 km deep · 98 km away
  53. 1.616 km SSE of Livermore, California · 16606 days ago · -1 km deep · 86 km away
  54. 1.74 km W of Westley, California · 16605 days ago · 8 km deep · 79 km away
  55. 1.53 km NNE of Pleasanton, California · 16604 days ago · 14 km deep · 83 km away
  56. 1.912 km N of Livermore, California · 16604 days ago · 10 km deep · 69 km away
  57. 1.74 km NE of Blackhawk, California · 16601 days ago · 5 km deep · 72 km away

Before

  1. 2.11 km NE of San Leandro, California · 16661 days ago · 6 km deep · 98 km away
  2. 2.07 km NNE of Pittsburg, California · 16662 days ago · 17 km deep · 58 km away
  3. 1.811 km SW of Brentwood, California · 16662 days ago · 14 km deep · 65 km away
  4. 1.69 km NNE of Livermore, California · 16664 days ago · 12 km deep · 70 km away
  5. 1.511 km E of Blackhawk, California · 16668 days ago · 5 km deep · 67 km away
  6. 1.915 km SSE of Livermore, California · 16669 days ago · 3 km deep · 86 km away
  7. 2.010 km SW of Brentwood, California · 16669 days ago · 14 km deep · 65 km away
  8. 1.79 km SW of Ripon, California · 16670 days ago · 5 km deep · 63 km away
  9. 1.72 km N of Ashland, California · 16675 days ago · 6 km deep · 98 km away
  10. 2.61 km N of Pleasant Hill, California · 16675 days ago · 9 km deep · 80 km away
  11. 2.014 km SSE of Livermore, California · 16676 days ago · 2 km deep · 86 km away
  12. 1.810 km SW of Brentwood, California · 16677 days ago · 14 km deep · 65 km away
  13. 2.010 km NNE of Livermore, California · 16678 days ago · 12 km deep · 69 km away
  14. 2.47 km SW of Brentwood, California · 16678 days ago · 16 km deep · 62 km away
  15. 1.71 km S of Discovery Bay, California · 16679 days ago · 11 km deep · 51 km away
  16. 2.610 km SW of Brentwood, California · 16681 days ago · 16 km deep · 65 km away
  17. 2.53 km ESE of Berkeley, California · 16681 days ago · 12 km deep · 98 km away
  18. 1.75 km NNE of Pittsburg, California · 16683 days ago · 12 km deep · 58 km away
  19. 1.61 km SW of Alamo, California · 16683 days ago · 9 km deep · 85 km away
  20. 1.81 km ESE of Pittsburg, California · 16687 days ago · 17 km deep · 62 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1060211. Read Tue, Sep 22, 2026, 10:49 AM UTC.