California earthquakes

M1.5 earthquake 5 km E of Fremont, California

A magnitude 1.5 earthquake struck 5 km E of Fremont, California on Sun, May 31, 1981, 4:16 PM PDT (23:16 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.2 2 km ESE of Aromas, California. This one was a foreshock.

Fremont 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1981-05-31 23:16:02 UTC
Depth
7.9 km (4.9 mi), shallow
Epicenter
37.547° N, 121.928° 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, 0.5 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
61°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 106 in the 60 days after this one and 59 in the 30 days before it.

After

  1. 1.63 km NE of Day Valley, California · 16558 days ago · 3 km deep · 55 km away
  2. 1.95 km SE of Aromas, California · 16558 days ago · 6 km deep · 82 km away
  3. 1.64 km SSE of Fairview, California · 16557 days ago · 3 km deep · 14 km away
  4. 2.315 km SE of Livermore, California · 16556 days ago · 2 km deep · 23 km away
  5. 2.77 km WSW of Gilroy, California · 16556 days ago · 5 km deep · 68 km away
  6. 2.47 km WSW of Gilroy, California · 16556 days ago · 5 km deep · 69 km away
  7. 1.716 km SE of Livermore, California · 16556 days ago · 2 km deep · 24 km away
  8. 3.012 km E of Blackhawk, California · 16555 days ago · 16 km deep · 35 km away
  9. 1.81 km SSE of Portola Valley, California · 16555 days ago · 6 km deep · 33 km away
  10. 2.11 km SSE of Portola Valley, California · 16555 days ago · 7 km deep · 33 km away
  11. 2.41 km SSE of Portola Valley, California · 16555 days ago · 6 km deep · 33 km away
  12. 1.79 km ESE of East Foothills, California · 16555 days ago · 7 km deep · 28 km away
  13. 2.19 km S of Sunol, California · 16554 days ago · 7 km deep · 6 km away
  14. 1.77 km WSW of Gilroy, California · 16553 days ago · 5 km deep · 68 km away
  15. 1.69 km NNE of Hollister, California · 16552 days ago · 7 km deep · 84 km away
  16. 1.922 km NE of East Foothills, California · 16552 days ago · 5 km deep · 28 km away
  17. 1.60 km NE of Woodside, California · 16551 days ago · 5 km deep · 31 km away
  18. 2.315 km E of Seven Trees, California · 16551 days ago · 7 km deep · 37 km away
  19. 1.56 km N of Foster City, California · 16548 days ago · 14 km deep · 30 km away
  20. 2.53 km ESE of Aromas, California · 16547 days ago · 6 km deep · 80 km away
  21. 1.58 km ENE of Dublin, California · 16547 days ago · 11 km deep · 22 km away
  22. 2.4Central California · 16545 days ago · 6 km deep · 89 km away
  23. 1.6Northern California · 16545 days ago · 4 km deep · 13 km away
  24. 3.22 km ESE of Aromas, California · 16545 days ago · 6 km deep · 79 km away
  25. 3.02 km ESE of Aromas, California · 16545 days ago · 6 km deep · 79 km away
  26. 1.62 km ESE of Aromas, California · 16545 days ago · 5 km deep · 79 km away
  27. 1.58 km ENE of Day Valley, California · 16544 days ago · 9 km deep · 55 km away
  28. 2.13 km S of San Juan Bautista, California · 16544 days ago · 6 km deep · 88 km away
  29. 1.56 km WNW of Daly City, California · 16543 days ago · 9 km deep · 56 km away
  30. 2.23 km NNW of Hollister, California · 16541 days ago · 7 km deep · 87 km away
  31. 1.910 km NE of Milpitas, California · 16540 days ago · 6 km deep · 13 km away
  32. 2.58 km ENE of Gilroy, California · 16540 days ago · 8 km deep · 69 km away
  33. 2.49 km NNW of Hollister, California · 16540 days ago · 4 km deep · 81 km away
  34. 2.39 km ESE of East Foothills, California · 16540 days ago · 2 km deep · 29 km away
  35. 2.210 km NNW of Hollister, California · 16540 days ago · 4 km deep · 80 km away
  36. 1.87 km NNE of Interlaken, California · 16540 days ago · 10 km deep · 62 km away
  37. 1.610 km ENE of Blackhawk, California · 16539 days ago · 9 km deep · 35 km away
  38. 2.210 km NNW of Hollister, California · 16539 days ago · 4 km deep · 80 km away
  39. 1.58 km ESE of East Foothills, California · 16539 days ago · 9 km deep · 28 km away
  40. 1.89 km ESE of East Foothills, California · 16539 days ago · 8 km deep · 28 km away
  41. 1.815 km N of Morgan Hill, California · 16539 days ago · 2 km deep · 39 km away
  42. 1.65 km SW of Gilroy, California · 16538 days ago · 2 km deep · 69 km away
  43. 2.94 km N of Hollister, California · 16537 days ago · 8 km deep · 86 km away
  44. 1.69 km ESE of East Foothills, California · 16537 days ago · 0 km deep · 29 km away
  45. 1.612 km NNE of Morgan Hill, California · 16537 days ago · 4 km deep · 43 km away
  46. 2.59 km ESE of East Foothills, California · 16536 days ago · 7 km deep · 29 km away
  47. 2.23 km NE of Alamo, California · 16533 days ago · 8 km deep · 36 km away
  48. 2.22 km N of Danville, California · 16531 days ago · 8 km deep · 33 km away
  49. 2.93 km NE of East Foothills, California · 16531 days ago · 2 km deep · 20 km away
  50. 2.02 km WSW of San Juan Bautista, California · 16530 days ago · 7 km deep · 85 km away
  51. 1.98 km SSW of La Selva Beach, California · 16529 days ago · 7 km deep · 75 km away
  52. 1.716 km E of Seven Trees, California · 16526 days ago · 7 km deep · 37 km away
  53. 1.611 km SE of La Honda, California · 16525 days ago · 6 km deep · 40 km away
  54. 1.816 km E of Seven Trees, California · 16525 days ago · 7 km deep · 37 km away
  55. 1.64 km NW of Diablo Grande, California · 16524 days ago · 19 km deep · 56 km away
  56. 2.010 km ESE of Gilroy, California · 16524 days ago · 4 km deep · 77 km away
  57. 2.12 km WSW of San Juan Bautista, California · 16524 days ago · 7 km deep · 85 km away
  58. 1.79 km NNE of East Foothills, California · 16524 days ago · 5 km deep · 16 km away
  59. 1.69 km NE of Gilroy, California · 16524 days ago · 9 km deep · 65 km away
  60. 2.511 km N of Livermore, California · 16523 days ago · 12 km deep · 31 km away

The first 60 of 106.

Before

  1. 1.810 km SW of Brentwood, California · 16559 days ago · 15 km deep · 37 km away
  2. 1.611 km ESE of East Foothills, California · 16559 days ago · 7 km deep · 31 km away
  3. 2.211 km SW of Brentwood, California · 16560 days ago · 19 km deep · 36 km away
  4. 1.94 km SSW of Lagunitas-Forest Knolls, California · 16561 days ago · 0 km deep · 83 km away
  5. 2.35 km SW of Ridgemark, California · 16562 days ago · 10 km deep · 97 km away
  6. 2.36 km SW of Ridgemark, California · 16562 days ago · 8 km deep · 98 km away
  7. 1.85 km SW of Ridgemark, California · 16562 days ago · 10 km deep · 97 km away
  8. 2.05 km SW of Ridgemark, California · 16562 days ago · 10 km deep · 97 km away
  9. 2.39 km NNW of Hollister, California · 16562 days ago · 4 km deep · 81 km away
  10. 2.45 km S of Gilroy, California · 16563 days ago · 7 km deep · 73 km away
  11. 2.46 km NE of East Foothills, California · 16563 days ago · 7 km deep · 21 km away
  12. 1.66 km ENE of East Foothills, California · 16563 days ago · 9 km deep · 23 km away
  13. 2.26 km ENE of East Foothills, California · 16563 days ago · 9 km deep · 23 km away
  14. 1.99 km ENE of Gilroy, California · 16563 days ago · 8 km deep · 70 km away
  15. 1.79 km NE of Gilroy, California · 16563 days ago · 8 km deep · 66 km away
  16. 1.50 km SE of North Gate, California · 16563 days ago · 10 km deep · 40 km away
  17. 2.78 km NNE of East Foothills, California · 16564 days ago · 7 km deep · 17 km away
  18. 1.815 km SE of Livermore, California · 16565 days ago · 2 km deep · 23 km away
  19. 1.83 km E of Union City, California · 16565 days ago · 7 km deep · 7 km away
  20. 2.55 km SW of Gilroy, California · 16566 days ago · 8 km deep · 70 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1064173. Read Thu, Oct 1, 2026, 6:10 AM UTC.