California earthquakes

M1.6 earthquake 7km WSW of Ridgemark, CA

A magnitude 1.6 earthquake struck 7km WSW of Ridgemark, CA on Fri, Nov 5, 2021, 5:46 PM PDT (00:46 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.2 8km NNW of Pinnacles, CA. This one was a foreshock.

Ridgemark 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-11-06 00:46:28 UTC
Depth
11.9 km (7.4 mi), shallow
Epicenter
36.779° N, 121.430° 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, 0.3 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
82°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 99 in the 60 days after this one and 59 in the 30 days before it.

After

  1. 2.113km S of Tres Pinos, CA · 1793 days ago · 5 km deep · 16 km away · felt by 1
  2. 2.312km SE of Pinnacles, CA · 1793 days ago · 1 km deep · 50 km away
  3. 2.46km N of Hollister, CA · 1793 days ago · 10 km deep · 13 km away · felt by 12
  4. 1.68km ENE of Gilroy, CA · 1793 days ago · 7 km deep · 29 km away · felt by 1
  5. 2.410km SE of Pinnacles, CA · 1791 days ago · 9 km deep · 48 km away · felt by 4
  6. 1.611km SE of Pinnacles, CA · 1791 days ago · 7 km deep · 48 km away
  7. 2.222km NE of San Lucas, CA · 1790 days ago · 7 km deep · 81 km away
  8. 2.310km SSW of Tres Pinos, CA · 1790 days ago · 5 km deep · 12 km away · felt by 2
  9. 2.315km SE of Tres Pinos, CA · 1789 days ago · 15 km deep · 22 km away
  10. 1.511km NW of Pinnacles, CA · 1788 days ago · 2 km deep · 27 km away
  11. 2.05km E of Fremont, CA · 1788 days ago · 9 km deep · 95 km away · felt by 3
  12. 2.15km S of San Juan Bautista, CA · 1786 days ago · 7 km deep · 10 km away · felt by 1
  13. 1.713km SE of Pinnacles, CA · 1786 days ago · 7 km deep · 51 km away
  14. 2.310km S of Lopez Point, CA · 1785 days ago · 12 km deep · 95 km away
  15. 2.311km S of Tres Pinos, CA · 1784 days ago · 6 km deep · 13 km away · felt by 1
  16. 1.913km S of Tres Pinos, CA · 1783 days ago · 6 km deep · 15 km away
  17. 1.59km NW of Pinnacles, CA · 1782 days ago · 8 km deep · 29 km away
  18. 1.725km ENE of Pinnacles, CA · 1782 days ago · 0 km deep · 53 km away
  19. 2.25km SW of Tres Pinos, CA · 1781 days ago · 6 km deep · 7 km away
  20. 1.918km NNW of Lopez Point, CA · 1779 days ago · 6 km deep · 70 km away
  21. 1.75km E of Fremont, CA · 1779 days ago · 9 km deep · 95 km away
  22. 1.56km NE of Pinnacles, CA · 1779 days ago · 10 km deep · 37 km away
  23. 2.112km ENE of Morgan Hill, CA · 1779 days ago · 4 km deep · 45 km away
  24. 2.211km NW of Morgan Hill, CA · 1779 days ago · 6 km deep · 55 km away · felt by 1
  25. 2.112km SE of Pinnacles, CA · 1778 days ago · 7 km deep · 50 km away
  26. 2.02km ENE of Pinnacles, CA · 1777 days ago · 5 km deep · 38 km away
  27. 2.33km N of Pinnacles, CA · 1777 days ago · 8 km deep · 35 km away
  28. 2.03km N of Pinnacles, CA · 1777 days ago · 7 km deep · 35 km away
  29. 2.03km N of Pinnacles, CA · 1777 days ago · 8 km deep · 35 km away
  30. 2.612km S of Tres Pinos, CA · 1777 days ago · 7 km deep · 14 km away · felt by 1
  31. 1.511km S of Tres Pinos, CA · 1777 days ago · 4 km deep · 14 km away
  32. 2.912km S of Tres Pinos, CA · 1777 days ago · 5 km deep · 14 km away · felt by 4
  33. 2.14km W of San Juan Bautista, CA · 1777 days ago · 6 km deep · 15 km away
  34. 1.73km N of Pinnacles, CA · 1776 days ago · 8 km deep · 35 km away · felt by 1
  35. 1.810km WNW of New Idria, CA · 1776 days ago · 15 km deep · 69 km away
  36. 1.73km N of Pinnacles, CA · 1775 days ago · 8 km deep · 36 km away
  37. 1.94km N of Pinnacles, CA · 1775 days ago · 8 km deep · 34 km away · felt by 1
  38. 2.012km SW of Ridgemark, CA · 1775 days ago · 6 km deep · 5 km away
  39. 1.613km S of Tres Pinos, CA · 1775 days ago · 4 km deep · 17 km away
  40. 1.913km S of Tres Pinos, CA · 1775 days ago · 4 km deep · 17 km away
  41. 1.87km NNW of Pinnacles, CA · 1774 days ago · 7 km deep · 31 km away
  42. 1.716km NW of Pinnacles, CA · 1774 days ago · 5 km deep · 21 km away
  43. 1.68km SW of Ridgemark, CA · 1773 days ago · 10 km deep · 1 km away
  44. 1.723km WNW of Bonny Doon, CA · 1772 days ago · 7 km deep · 93 km away
  45. 1.66km S of Tres Pinos, CA · 1772 days ago · 9 km deep · 10 km away
  46. 1.65km ESE of Pinnacles, CA · 1770 days ago · 8 km deep · 42 km away
  47. 2.015km SE of Point Sur, CA · 1770 days ago · 4 km deep · 68 km away
  48. 1.912km NE of Pinnacles, CA · 1770 days ago · 12 km deep · 41 km away
  49. 2.114km SE of Point Sur, CA · 1770 days ago · 4 km deep · 68 km away · felt by 3
  50. 1.510km NW of Pinnacles, CA · 1770 days ago · 5 km deep · 27 km away
  51. 1.615km SE of Point Sur, CA · 1770 days ago · 4 km deep · 69 km away
  52. 2.79km ENE of Morgan Hill, CA · 1769 days ago · 2 km deep · 44 km away · felt by 38
  53. 2.310km S of Tres Pinos, CA · 1768 days ago · 4 km deep · 12 km away · felt by 3
  54. 1.924km NE of King City, CA · 1768 days ago · 9 km deep · 63 km away
  55. 1.74km S of Portola Valley, CA · 1767 days ago · 6 km deep · 95 km away
  56. 1.74km S of Portola Valley, CA · 1767 days ago · 6 km deep · 95 km away · felt by 1
  57. 2.39km NW of Pinnacles, CA · 1766 days ago · 7 km deep · 28 km away · felt by 5
  58. 1.79km SSW of Tres Pinos, CA · 1763 days ago · 3 km deep · 11 km away
  59. 1.912km S of Tres Pinos, CA · 1762 days ago · 4 km deep · 15 km away · felt by 2
  60. 2.710km NNE of New Idria, CA · 1761 days ago · 9 km deep · 79 km away · felt by 1

The first 60 of 99.

Before

  1. 1.810km ENE of Morgan Hill, CA · 1794 days ago · 3 km deep · 44 km away
  2. 1.911km S of Tres Pinos, CA · 1794 days ago · 5 km deep · 13 km away · felt by 1
  3. 1.99km SSE of San Juan Bautista, CA · 1795 days ago · 10 km deep · 7 km away · felt by 2
  4. 2.17km NE of San Martin, CA · 1795 days ago · 5 km deep · 40 km away
  5. 1.812km SE of Pinnacles, CA · 1796 days ago · 8 km deep · 49 km away
  6. 1.511km SE of Pinnacles, CA · 1796 days ago · 7 km deep · 49 km away
  7. 1.712km SE of Pinnacles, CA · 1796 days ago · 7 km deep · 49 km away
  8. 1.95km ENE of Pinnacles, CA · 1797 days ago · 5 km deep · 39 km away
  9. 1.612km SE of Pinnacles, CA · 1798 days ago · 8 km deep · 49 km away
  10. 2.210km SE of Pinnacles, CA · 1798 days ago · 6 km deep · 47 km away
  11. 2.311km SE of Pinnacles, CA · 1798 days ago · 7 km deep · 49 km away
  12. 1.96km ENE of Pinnacles, CA · 1798 days ago · 10 km deep · 40 km away
  13. 1.712km S of Tres Pinos, CA · 1799 days ago · 1 km deep · 15 km away
  14. 2.32km N of Pinnacles, CA · 1800 days ago · 3 km deep · 36 km away
  15. 2.012km S of Tres Pinos, CA · 1801 days ago · 4 km deep · 16 km away
  16. 2.38km ESE of Pinnacles, CA · 1801 days ago · 6 km deep · 45 km away
  17. 2.07km NW of Pinnacles, CA · 1803 days ago · 7 km deep · 30 km away
  18. 2.013km S of Tres Pinos, CA · 1803 days ago · 5 km deep · 16 km away
  19. 1.710km S of Tres Pinos, CA · 1804 days ago · 3 km deep · 12 km away
  20. 2.68km ENE of Alum Rock, CA · 1805 days ago · 7 km deep · 73 km away · felt by 18

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73649360. Read Sun, Oct 4, 2026, 11:44 PM UTC.