California earthquakes

M1.8 earthquake 5km SSW of Idyllwild, CA

A magnitude 1.8 earthquake struck 5km SSW of Idyllwild, CA on Sat, Dec 18, 2021, 8:49 PM PST (04:49 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.0 5km WSW of Palomar Observatory, CA. This one was a foreshock.

Idyllwild 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
1.8 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2021-12-19 04:49:28 UTC
Depth
15.7 km (9.8 mi), shallow
Epicenter
33.702° N, 116.749° 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, 0.4 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
17°
Stations used
69

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 169 in the 60 days after this one and 59 in the 30 days before it.

After

  1. 1.53km NNW of Palomar Observatory, CA · 1750 days ago · 5 km deep · 38 km away
  2. 1.76km NNE of Lake Henshaw, CA · 1749 days ago · 12 km deep · 46 km away
  3. 1.912km ENE of Borrego Springs, CA · 1749 days ago · 5 km deep · 64 km away
  4. 1.64km N of Fontana, CA · 1749 days ago · 7 km deep · 82 km away
  5. 1.85km WNW of Beaumont, CA · 1748 days ago · 15 km deep · 37 km away
  6. 1.97km ESE of Cabazon, CA · 1748 days ago · 16 km deep · 23 km away
  7. 1.86km ESE of Valle Vista, CA · 1748 days ago · 16 km deep · 8 km away
  8. 2.13km NNW of Palomar Observatory, CA · 1747 days ago · 5 km deep · 38 km away
  9. 1.78km SSE of Redlands, CA · 1747 days ago · 11 km deep · 50 km away
  10. 2.73km NW of Palomar Observatory, CA · 1747 days ago · 5 km deep · 38 km away · felt by 53
  11. 1.62km W of Devore, CA · 1747 days ago · 13 km deep · 85 km away
  12. 2.511km ENE of Borrego Springs, CA · 1746 days ago · 5 km deep · 66 km away · felt by 3
  13. 2.13km NW of Palomar Observatory, CA · 1746 days ago · 5 km deep · 38 km away
  14. 2.13km NW of Palomar Observatory, CA · 1746 days ago · 6 km deep · 38 km away
  15. 2.13km NNW of Palomar Observatory, CA · 1746 days ago · 6 km deep · 38 km away
  16. 1.76km E of Calimesa, CA · 1746 days ago · 17 km deep · 40 km away
  17. 1.77km SE of Valle Vista, CA · 1746 days ago · 15 km deep · 8 km away · felt by 1
  18. 1.88km NNW of Fontana, CA · 1746 days ago · 3 km deep · 86 km away · felt by 1
  19. 2.43km ENE of Lytle Creek, CA · 1746 days ago · 8 km deep · 91 km away · felt by 22
  20. 3.13km NW of Palomar Observatory, CA · 1746 days ago · 5 km deep · 39 km away · felt by 37
  21. 2.03km NW of Palomar Observatory, CA · 1746 days ago · 5 km deep · 39 km away
  22. 1.717km NNE of Indio, CA · 1746 days ago · 4 km deep · 58 km away
  23. 2.03km NW of Palomar Observatory, CA · 1746 days ago · 5 km deep · 38 km away
  24. 1.811km NNE of Banning, CA · 1744 days ago · 18 km deep · 37 km away
  25. 1.612km SSW of Borrego Springs, CA · 1744 days ago · 14 km deep · 66 km away
  26. 2.111km SSW of Borrego Springs, CA · 1744 days ago · 12 km deep · 66 km away
  27. 1.511km SSW of Borrego Springs, CA · 1744 days ago · 13 km deep · 66 km away
  28. 1.910km S of Big Bear City, CA · 1743 days ago · 7 km deep · 53 km away
  29. 1.53km NNW of Palomar Observatory, CA · 1742 days ago · 5 km deep · 38 km away
  30. 2.210km N of Borrego Springs, CA · 1742 days ago · 12 km deep · 52 km away
  31. 1.917km ESE of Julian, CA · 1741 days ago · 10 km deep · 79 km away
  32. 1.716km E of Ocotillo Wells, CA · 1741 days ago · 9 km deep · 98 km away
  33. 2.64km NW of Fontana, CA · 1741 days ago · 5 km deep · 83 km away · felt by 88
  34. 2.913km N of Indio, CA · 1741 days ago · 9 km deep · 53 km away · felt by 50
  35. 1.56km E of Ocotillo Wells, CA · 1740 days ago · 10 km deep · 89 km away
  36. 2.022km SSW of La Quinta, CA · 1740 days ago · 9 km deep · 38 km away
  37. 2.18km N of Big Bear City, CA · 1740 days ago · 7 km deep · 70 km away · felt by 1
  38. 2.03km NNW of Palomar Observatory, CA · 1739 days ago · 5 km deep · 38 km away · felt by 1
  39. 1.814km SE of Anza, CA · 1739 days ago · 10 km deep · 31 km away
  40. 1.910km W of Palomar Observatory, CA · 1738 days ago · 8 km deep · 44 km away
  41. 1.69km W of Palomar Observatory, CA · 1738 days ago · 6 km deep · 43 km away
  42. 2.010km E of Pala, CA · 1738 days ago · 7 km deep · 44 km away
  43. 2.59km N of Rancho Cucamonga, CA · 1738 days ago · 9 km deep · 96 km away · felt by 70
  44. 1.96km W of Bombay Beach, CA · 1738 days ago · 2 km deep · 96 km away
  45. 3.02km NW of Palomar Observatory, CA · 1738 days ago · 5 km deep · 39 km away · felt by 27
  46. 1.83km NNW of Palomar Observatory, CA · 1738 days ago · 5 km deep · 38 km away
  47. 2.62km NW of Palomar Observatory, CA · 1738 days ago · 5 km deep · 38 km away · felt by 2
  48. 1.93km NNW of Palomar Observatory, CA · 1738 days ago · 6 km deep · 38 km away
  49. 1.75km N of Cabazon, CA · 1738 days ago · 12 km deep · 29 km away
  50. 3.43km SW of Redlands, CA · 1738 days ago · 14 km deep · 56 km away · felt by 509
  51. 2.12km NNW of Palomar Observatory, CA · 1737 days ago · 5 km deep · 39 km away
  52. 1.63km W of Redlands, CA · 1737 days ago · 14 km deep · 58 km away
  53. 1.64km SE of Lytle Creek, CA · 1737 days ago · 10 km deep · 89 km away
  54. 1.612km NE of Ocotillo Wells, CA · 1737 days ago · 10 km deep · 84 km away
  55. 1.614km SSE of Valle Vista, CA · 1736 days ago · 13 km deep · 11 km away
  56. 1.810km S of Idyllwild, CA · 1735 days ago · 15 km deep · 6 km away
  57. 2.410km SSW of Idyllwild, CA · 1735 days ago · 15 km deep · 6 km away
  58. 1.62km NNW of Palomar Observatory, CA · 1735 days ago · 5 km deep · 38 km away
  59. 1.81km WSW of Valle Vista, CA · 1734 days ago · 5 km deep · 15 km away
  60. 2.12km W of Rancho Cucamonga, CA · 1734 days ago · 12 km deep · 91 km away

The first 60 of 169.

Before

  1. 2.92km N of Yucaipa, CA · 1751 days ago · 11 km deep · 47 km away · felt by 37
  2. 1.917km NNE of Borrego Springs, CA · 1751 days ago · 9 km deep · 53 km away
  3. 1.926km SSW of Ocotillo Wells, CA · 1751 days ago · 13 km deep · 97 km away
  4. 2.25km ENE of Calimesa, CA · 1751 days ago · 16 km deep · 40 km away
  5. 2.224km ENE of Thermal, CA · 1752 days ago · 7 km deep · 77 km away
  6. 1.811km ENE of Borrego Springs, CA · 1752 days ago · 4 km deep · 66 km away
  7. 2.511km E of Borrego Springs, CA · 1752 days ago · 5 km deep · 66 km away
  8. 1.623km ESE of Anza, CA · 1752 days ago · 13 km deep · 38 km away
  9. 1.924km ENE of Thermal, CA · 1752 days ago · 6 km deep · 77 km away
  10. 2.023km ENE of Thermal, CA · 1752 days ago · 4 km deep · 77 km away
  11. 2.024km ENE of Thermal, CA · 1752 days ago · 6 km deep · 77 km away
  12. 1.624km ENE of Thermal, CA · 1752 days ago · 5 km deep · 78 km away
  13. 1.63km WSW of Yucca Valley, CA · 1753 days ago · 12 km deep · 52 km away
  14. 2.33km SE of Lake Henshaw, CA · 1753 days ago · 11 km deep · 53 km away · felt by 5
  15. 2.32km SE of Orange, CA · 1754 days ago · 5 km deep · 100 km away · felt by 145
  16. 1.65km NNW of Fontana, CA · 1755 days ago · 6 km deep · 84 km away · felt by 4
  17. 1.79km SSW of Idyllwild, CA · 1755 days ago · 17 km deep · 4 km away
  18. 1.936km WSW of Ludlow, CA · 1755 days ago · 5 km deep · 98 km away
  19. 1.86km SSW of Redlands, CA · 1756 days ago · 16 km deep · 55 km away · felt by 1
  20. 1.712km NNE of Borrego Springs, CA · 1757 days ago · 10 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci40130824. Read Sun, Oct 4, 2026, 7:45 AM UTC.