California earthquakes

M1.6 earthquake 10km NW of Idyllwild, CA

A magnitude 1.6 earthquake struck 10km NW of Idyllwild, CA on Wed, Sep 15, 2021, 1:17 PM PDT (20:17 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.4 10km NNW of Anza, CA. This one was a foreshock.

Idyllwild-Pine Cove 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 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2021-09-15 20:17:49 UTC
Depth
11.7 km (7.3 mi), shallow
Epicenter
33.811° N, 116.777° 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 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
26°
Stations used
64

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 113 in the 60 days after this one and 61 in the 30 days before it.

After

  1. 1.826km N of Yucca Valley, CA · 1844 days ago · 5 km deep · 66 km away · felt by 1
  2. 2.28km SSE of Big Bear City, CA · 1844 days ago · 11 km deep · 42 km away
  3. 2.76km N of Beaumont, CA · 1843 days ago · 16 km deep · 26 km away · felt by 6
  4. 2.35km NE of Wildomar, CA · 1843 days ago · 14 km deep · 47 km away · felt by 7
  5. 1.55km WSW of Salton City, CA · 1842 days ago · 3 km deep · 93 km away
  6. 1.913km NNW of Borrego Springs, CA · 1842 days ago · 10 km deep · 60 km away
  7. 1.76km NNE of Borrego Springs, CA · 1840 days ago · 11 km deep · 69 km away
  8. 2.119km SW of La Quinta, CA · 1840 days ago · 10 km deep · 43 km away · felt by 3
  9. 3.228km NE of Indio, CA · 1839 days ago · 5 km deep · 75 km away · felt by 18
  10. 1.713km SE of Big Bear City, CA · 1839 days ago · 0 km deep · 42 km away
  11. 1.64km SE of Rancho Cucamonga, CA · 1839 days ago · 14 km deep · 78 km away
  12. 2.45km SE of Valle Vista, CA · 1839 days ago · 17 km deep · 12 km away · felt by 10
  13. 1.813km SE of Big Bear City, CA · 1839 days ago · 1 km deep · 42 km away
  14. 3.410km NNW of Anza, CA · 1839 days ago · 13 km deep · 20 km away · felt by 296
  15. 1.610km NNW of Anza, CA · 1839 days ago · 14 km deep · 20 km away
  16. 1.610km S of Idyllwild, CA · 1839 days ago · 13 km deep · 20 km away
  17. 1.610km S of Idyllwild, CA · 1839 days ago · 14 km deep · 19 km away
  18. 1.510km NNW of Anza, CA · 1839 days ago · 14 km deep · 20 km away
  19. 2.19km NNW of Anza, CA · 1839 days ago · 13 km deep · 21 km away · felt by 2
  20. 1.610km NNW of Anza, CA · 1839 days ago · 13 km deep · 20 km away
  21. 3.310km NNW of Anza, CA · 1839 days ago · 13 km deep · 21 km away · felt by 143
  22. 1.910km NNW of Anza, CA · 1839 days ago · 13 km deep · 20 km away
  23. 2.310km NNW of Anza, CA · 1839 days ago · 13 km deep · 20 km away
  24. 1.510km NNW of Anza, CA · 1839 days ago · 14 km deep · 20 km away
  25. 1.810km NNW of Anza, CA · 1839 days ago · 13 km deep · 20 km away
  26. 1.710km NNW of Anza, CA · 1839 days ago · 13 km deep · 20 km away · felt by 1
  27. 1.89km NNW of Anza, CA · 1838 days ago · 13 km deep · 21 km away
  28. 1.511km NW of Julian, CA · 1838 days ago · 18 km deep · 75 km away
  29. 2.610km S of Borrego Springs, CA · 1835 days ago · 8 km deep · 81 km away · felt by 8
  30. 2.09km SW of Lytle Creek, CA · 1835 days ago · 8 km deep · 85 km away
  31. 2.39km N of Rancho Cucamonga, CA · 1835 days ago · 8 km deep · 85 km away · felt by 1
  32. 1.813km NNE of Banning, CA · 1835 days ago · 14 km deep · 25 km away
  33. 1.99km NNW of Anza, CA · 1834 days ago · 13 km deep · 21 km away
  34. 2.06km SW of Banning, CA · 1834 days ago · 7 km deep · 15 km away
  35. 2.19km SSW of Idyllwild, CA · 1833 days ago · 14 km deep · 17 km away
  36. 1.85km NNW of Glen Avon, CA · 1833 days ago · 5 km deep · 73 km away · felt by 3
  37. 1.815km ENE of Borrego Springs, CA · 1832 days ago · 3 km deep · 78 km away
  38. 1.720km ENE of Thermal, CA · 1832 days ago · 2 km deep · 77 km away
  39. 1.610km SW of Salton City, CA · 1831 days ago · 10 km deep · 95 km away
  40. 2.216km ENE of Yucaipa, CA · 1831 days ago · 12 km deep · 34 km away
  41. 1.97km NNW of Cabazon, CA · 1830 days ago · 14 km deep · 19 km away
  42. 3.13km NNW of Yucca Valley, CA · 1829 days ago · 7 km deep · 48 km away · felt by 103
  43. 1.620km ENE of Thermal, CA · 1829 days ago · 3 km deep · 77 km away
  44. 1.612km ESE of Lucerne Valley, CA · 1828 days ago · 7 km deep · 65 km away
  45. 1.88km NNE of Borrego Springs, CA · 1828 days ago · 11 km deep · 67 km away
  46. 1.88km ENE of Moreno Valley, CA · 1828 days ago · 13 km deep · 39 km away
  47. 1.83km ESE of Julian, CA · 1827 days ago · 14 km deep · 84 km away
  48. 1.721km ESE of Anza, CA · 1826 days ago · 13 km deep · 47 km away
  49. 2.916km NE of Coachella, CA · 1825 days ago · 7 km deep · 67 km away · felt by 7
  50. 1.516km NE of Coachella, CA · 1825 days ago · 7 km deep · 67 km away · felt by 1
  51. 1.93km NNW of Rancho Cucamonga, CA · 1824 days ago · 10 km deep · 84 km away
  52. 2.111km NE of Yucaipa, CA · 1820 days ago · 12 km deep · 36 km away · felt by 1
  53. 1.69km SW of Morongo Valley, CA · 1818 days ago · 18 km deep · 23 km away
  54. 1.76km NW of San Jacinto, CA · 1818 days ago · 13 km deep · 21 km away
  55. 1.58km NNW of Borrego Springs, CA · 1816 days ago · 5 km deep · 65 km away
  56. 1.611km NE of Julian, CA · 1816 days ago · 9 km deep · 77 km away
  57. 2.010km W of Palomar Observatory, CA · 1816 days ago · 6 km deep · 52 km away
  58. 2.010km E of Pala, CA · 1815 days ago · 6 km deep · 52 km away · felt by 1
  59. 2.44km WSW of Salton City, CA · 1814 days ago · 3 km deep · 93 km away · felt by 2
  60. 1.914km S of Joshua Tree, CA · 1813 days ago · 8 km deep · 48 km away

The first 60 of 113.

Before

  1. 2.92km SSE of Lytle Creek, CA · 1846 days ago · 8 km deep · 81 km away · felt by 59
  2. 1.64km WSW of Salton City, CA · 1846 days ago · 3 km deep · 93 km away
  3. 1.99km NNW of Cabazon, CA · 1846 days ago · 20 km deep · 21 km away
  4. 1.85km NE of Wildomar, CA · 1846 days ago · 15 km deep · 47 km away · felt by 4
  5. 2.24km NE of Beaumont, CA · 1846 days ago · 17 km deep · 22 km away
  6. 1.54km ENE of Big Bear City, CA · 1847 days ago · 8 km deep · 52 km away
  7. 1.57km ENE of Cabazon, CA · 1847 days ago · 11 km deep · 15 km away
  8. 1.64km S of Lucerne Valley, CA · 1848 days ago · 8 km deep · 69 km away
  9. 1.610km S of Borrego Springs, CA · 1849 days ago · 3 km deep · 81 km away
  10. 2.63km NNW of La Verne, CA · 1850 days ago · 6 km deep · 99 km away · felt by 50
  11. 1.618km NNE of Pine Valley, CA · 1851 days ago · 5 km deep · 99 km away
  12. 1.63km SSE of Yucca Valley, CA · 1851 days ago · 10 km deep · 45 km away
  13. 1.67km ENE of Cabazon, CA · 1851 days ago · 11 km deep · 15 km away
  14. 1.65km NNE of Fontana, CA · 1851 days ago · 7 km deep · 72 km away
  15. 2.65km NNE of Fontana, CA · 1851 days ago · 7 km deep · 72 km away · felt by 16
  16. 2.65km SE of Loma Linda, CA · 1852 days ago · 15 km deep · 47 km away · felt by 5
  17. 1.84km NE of Beaumont, CA · 1852 days ago · 14 km deep · 23 km away
  18. 1.721km E of Julian, CA · 1852 days ago · 12 km deep · 93 km away
  19. 2.410km SSW of Idyllwild, CA · 1853 days ago · 15 km deep · 18 km away
  20. 1.814km WNW of Anza, CA · 1853 days ago · 6 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39809903. Read Sun, Oct 4, 2026, 1:48 PM UTC.