California earthquakes

M1.6 earthquake 7km SW of Ridgemark, CA

A magnitude 1.6 earthquake struck 7km SW of Ridgemark, CA on Fri, Jan 21, 2022, 11:02 AM PST (19:02 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.1 7km NW 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
2022-01-21 19:02:03 UTC
Depth
9.6 km (6.0 mi), shallow
Epicenter
36.772° N, 121.426° 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, 0.4 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
97°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 122 in the 60 days after this one and 44 in the 30 days before it.

After

  1. 1.55km NE of Pinnacles, CA · 1716 days ago · 9 km deep · 36 km away
  2. 3.114km SSE of Tres Pinos, CA · 1715 days ago · 5 km deep · 18 km away · felt by 10
  3. 2.714km SSE of Tres Pinos, CA · 1715 days ago · 5 km deep · 18 km away · felt by 2
  4. 1.914km SSE of Tres Pinos, CA · 1714 days ago · 4 km deep · 18 km away
  5. 2.216km W of Los Banos, CA · 1713 days ago · 8 km deep · 49 km away
  6. 1.67km ESE of Pinnacles, CA · 1713 days ago · 7 km deep · 43 km away
  7. 1.82km W of San Juan Bautista, CA · 1713 days ago · 7 km deep · 14 km away
  8. 1.86km ESE of Pinnacles, CA · 1712 days ago · 7 km deep · 43 km away
  9. 1.610km NNE of Morgan Hill, CA · 1711 days ago · 3 km deep · 51 km away · felt by 1
  10. 1.916km E of Seven Trees, CA · 1710 days ago · 4 km deep · 61 km away
  11. 1.67km NNW of Pinnacles, CA · 1709 days ago · 8 km deep · 31 km away
  12. 1.730km NE of Pinnacles, CA · 1708 days ago · 12 km deep · 50 km away
  13. 1.516km SSE of Tres Pinos, CA · 1707 days ago · 5 km deep · 19 km away
  14. 1.616km NW of New Idria, CA · 1707 days ago · 9 km deep · 62 km away · felt by 1
  15. 1.911km SE of Pinnacles, CA · 1707 days ago · 7 km deep · 48 km away
  16. 1.822km NE of San Lucas, CA · 1707 days ago · 8 km deep · 75 km away
  17. 1.910km NNE of Pinnacles, CA · 1706 days ago · 6 km deep · 32 km away
  18. 1.93km NE of Pinnacles, CA · 1706 days ago · 9 km deep · 37 km away · felt by 1
  19. 2.511km SE of Pinnacles, CA · 1706 days ago · 3 km deep · 48 km away · felt by 6
  20. 2.84km SE of Aromas, CA · 1705 days ago · 8 km deep · 19 km away · felt by 32
  21. 2.06km SW of Gilroy, CA · 1705 days ago · 4 km deep · 27 km away · felt by 4
  22. 1.712km SE of Pinnacles, CA · 1704 days ago · 3 km deep · 49 km away
  23. 1.86km ESE of Pinnacles, CA · 1703 days ago · 8 km deep · 42 km away
  24. 1.97km NNW of Pinnacles, CA · 1702 days ago · 7 km deep · 30 km away
  25. 2.111km S of Tres Pinos, CA · 1701 days ago · 4 km deep · 13 km away · felt by 3
  26. 2.011km S of Tres Pinos, CA · 1701 days ago · 4 km deep · 13 km away
  27. 2.716km E of Seven Trees, CA · 1700 days ago · 5 km deep · 62 km away · felt by 37
  28. 1.711km SE of Pinnacles, CA · 1700 days ago · 7 km deep · 48 km away
  29. 1.97km ESE of Pinnacles, CA · 1700 days ago · 5 km deep · 43 km away
  30. 2.94km WSW of San Juan Bautista, CA · 1699 days ago · 7 km deep · 16 km away · felt by 57
  31. 1.53km E of Aromas, CA · 1698 days ago · 2 km deep · 21 km away
  32. 1.81km W of San Juan Bautista, CA · 1696 days ago · 7 km deep · 14 km away
  33. 1.77km NNW of Pinnacles, CA · 1696 days ago · 7 km deep · 30 km away
  34. 1.632km SW of South Dos Palos, CA · 1693 days ago · 1 km deep · 46 km away
  35. 1.66km NE of Ridgemark, CA · 1693 days ago · 9 km deep · 14 km away
  36. 1.612km SE of Pinnacles, CA · 1692 days ago · 7 km deep · 48 km away
  37. 2.21km W of San Juan Bautista, CA · 1692 days ago · 7 km deep · 14 km away
  38. 1.61km WNW of San Juan Bautista, CA · 1692 days ago · 6 km deep · 14 km away
  39. 1.53km N of Pinnacles, CA · 1691 days ago · 8 km deep · 35 km away
  40. 2.54km NW of Aromas, CA · 1691 days ago · 11 km deep · 27 km away · felt by 10
  41. 3.11km W of San Juan Bautista, CA · 1691 days ago · 7 km deep · 14 km away · felt by 49
  42. 1.71km W of San Juan Bautista, CA · 1691 days ago · 7 km deep · 14 km away · felt by 1
  43. 2.022km SE of Pinnacles, CA · 1691 days ago · 8 km deep · 59 km away
  44. 2.39km SSW of Tres Pinos, CA · 1691 days ago · 3 km deep · 9 km away · felt by 1
  45. 2.11km WNW of San Juan Bautista, CA · 1690 days ago · 7 km deep · 14 km away
  46. 2.12km WNW of San Juan Bautista, CA · 1690 days ago · 6 km deep · 14 km away
  47. 2.32km WNW of San Juan Bautista, CA · 1690 days ago · 7 km deep · 14 km away · felt by 4
  48. 2.02km W of San Juan Bautista, CA · 1690 days ago · 7 km deep · 14 km away
  49. 2.86km SSE of San Juan Bautista, CA · 1688 days ago · 5 km deep · 8 km away · felt by 12
  50. 2.014km S of Tres Pinos, CA · 1688 days ago · 6 km deep · 14 km away
  51. 1.623km WSW of New Idria, CA · 1688 days ago · 6 km deep · 68 km away
  52. 1.710km SE of Pinnacles, CA · 1688 days ago · 8 km deep · 46 km away
  53. 1.71km W of San Juan Bautista, CA · 1687 days ago · 7 km deep · 14 km away
  54. 2.89km N of San Juan Bautista, CA · 1687 days ago · 6 km deep · 19 km away · felt by 18
  55. 1.51km W of San Juan Bautista, CA · 1687 days ago · 8 km deep · 14 km away
  56. 3.49km SSW of Tres Pinos, CA · 1686 days ago · 3 km deep · 8 km away · felt by 240
  57. 1.98km E of Alum Rock, CA · 1686 days ago · 7 km deep · 73 km away
  58. 1.816km ENE of Pinnacles, CA · 1686 days ago · 0 km deep · 43 km away
  59. 2.01km W of San Juan Bautista, CA · 1685 days ago · 7 km deep · 13 km away
  60. 2.09km SW of Tres Pinos, CA · 1684 days ago · 2 km deep · 7 km away

The first 60 of 122.

Before

  1. 1.713km S of Tres Pinos, CA · 1718 days ago · 4 km deep · 16 km away
  2. 1.64km NNW of Pinnacles, CA · 1719 days ago · 7 km deep · 33 km away
  3. 1.65km SSW of Tres Pinos, CA · 1720 days ago · 7 km deep · 7 km away · felt by 1
  4. 2.217km SE of Pinnacles, CA · 1720 days ago · 7 km deep · 54 km away
  5. 2.02km SSE of Tres Pinos, CA · 1721 days ago · 7 km deep · 11 km away · felt by 1
  6. 1.77km ENE of Gilroy, CA · 1721 days ago · 9 km deep · 30 km away
  7. 1.93km NNW of Pinnacles, CA · 1722 days ago · 8 km deep · 34 km away
  8. 1.98km E of Fremont, CA · 1722 days ago · 7 km deep · 94 km away · felt by 3
  9. 2.39km E of Gilroy, CA · 1723 days ago · 6 km deep · 26 km away
  10. 2.112km S of Tres Pinos, CA · 1724 days ago · 5 km deep · 13 km away
  11. 1.99km E of Gilroy, CA · 1724 days ago · 5 km deep · 25 km away · felt by 2
  12. 2.17km NNW of Pinnacles, CA · 1725 days ago · 4 km deep · 30 km away · felt by 1
  13. 1.62km NNE of Pinnacles, CA · 1726 days ago · 9 km deep · 36 km away
  14. 2.422km NE of San Lucas, CA · 1726 days ago · 7 km deep · 78 km away · felt by 1
  15. 1.72km NE of Pinnacles, CA · 1727 days ago · 9 km deep · 37 km away
  16. 1.727km NE of Hollister, CA · 1729 days ago · 3 km deep · 36 km away
  17. 1.711km NE of Milpitas, CA · 1730 days ago · 4 km deep · 88 km away
  18. 2.55km NNW of Pinnacles, CA · 1730 days ago · 3 km deep · 32 km away · felt by 1
  19. 2.121km SE of Pinnacles, CA · 1731 days ago · 9 km deep · 57 km away
  20. 1.710km SE of Pinnacles, CA · 1731 days ago · 9 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73681571. Read Sun, Oct 4, 2026, 7:49 AM UTC.