California earthquakes

M1.6 earthquake 4km NNE of Diamond Bar, CA

A magnitude 1.6 earthquake struck 4km NNE of Diamond Bar, CA on Thu, Nov 11, 2021, 11:06 PM PST (07:06 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.6 7km S of Lytle Creek, CA. This one was a foreshock.

Diamond Bar 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
2021-11-12 07:06:12 UTC
Depth
3.5 km (2.2 mi), shallow
Epicenter
34.063° N, 117.801° W
Felt reports
5
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

5 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
27°
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: 78 in the 60 days after this one and 43 in the 30 days before it.

After

  1. 1.615km NNE of Banning, CA · 1787 days ago · 13 km deep · 90 km away
  2. 2.24km W of Pomona, CA · 1786 days ago · 4 km deep · 0 km away · felt by 42
  3. 2.15km W of Devore, CA · 1784 days ago · 12 km deep · 37 km away · felt by 3
  4. 1.74km NNE of Moreno Valley, CA · 1783 days ago · 14 km deep · 55 km away · felt by 1
  5. 1.58km SSE of Banning, CA · 1783 days ago · 17 km deep · 90 km away · felt by 1
  6. 1.77km SE of San Pedro, CA · 1781 days ago · 8 km deep · 56 km away
  7. 1.87km ESE of San Pedro, CA · 1781 days ago · 11 km deep · 55 km away · felt by 1
  8. 1.52km SSW of San Dimas, CA · 1781 days ago · 14 km deep · 3 km away
  9. 1.77km NE of Cabazon, CA · 1780 days ago · 17 km deep · 99 km away
  10. 3.28km N of Cabazon, CA · 1780 days ago · 12 km deep · 94 km away · felt by 119
  11. 1.63km WNW of Sylmar, CA · 1780 days ago · 3 km deep · 68 km away · felt by 5
  12. 2.119km NNE of Avalon, CA · 1779 days ago · 1 km deep · 75 km away
  13. 1.78km NE of Moreno Valley, CA · 1777 days ago · 11 km deep · 59 km away
  14. 2.30km SSE of San Fernando, CA · 1773 days ago · 3 km deep · 63 km away · felt by 27
  15. 1.66km E of Calimesa, CA · 1772 days ago · 15 km deep · 75 km away
  16. 1.72km E of Carson, CA · 1772 days ago · 8 km deep · 50 km away · felt by 4
  17. 2.69km ESE of Big Bear City, CA · 1772 days ago · 8 km deep · 98 km away · felt by 6
  18. 1.83km E of Calimesa, CA · 1772 days ago · 14 km deep · 72 km away
  19. 2.04km W of Yucaipa, CA · 1772 days ago · 7 km deep · 66 km away
  20. 1.65km SSE of Loma Linda, CA · 1771 days ago · 12 km deep · 51 km away
  21. 1.61km ESE of Baldwin Hills, CA · 1771 days ago · 11 km deep · 52 km away · felt by 1
  22. 1.64km W of Yucaipa, CA · 1769 days ago · 7 km deep · 66 km away
  23. 1.51km SW of Rossmoor, CA · 1768 days ago · 12 km deep · 42 km away · felt by 1
  24. 1.93km N of Loma Linda, CA · 1767 days ago · 13 km deep · 50 km away
  25. 1.99km SE of Valle Vista, CA · 1767 days ago · 16 km deep · 100 km away
  26. 1.611km W of Corona, CA · 1766 days ago · 9 km deep · 24 km away
  27. 2.210km NNE of Bradbury, CA · 1766 days ago · 7 km deep · 22 km away · felt by 1
  28. 1.93km ESE of Ontario, CA · 1765 days ago · 4 km deep · 18 km away · felt by 7
  29. 1.87km S of Redlands, CA · 1765 days ago · 14 km deep · 58 km away
  30. 2.013km SE of Big Bear City, CA · 1764 days ago · 0 km deep · 99 km away
  31. 2.76km SSW of Redlands, CA · 1764 days ago · 11 km deep · 54 km away · felt by 35
  32. 3.67km S of Lytle Creek, CA · 1761 days ago · 5 km deep · 31 km away · felt by 994
  33. 1.86km SSW of Redlands, CA · 1756 days ago · 16 km deep · 54 km away · felt by 1
  34. 1.97km ESE of San Pedro, CA · 1756 days ago · 11 km deep · 56 km away · felt by 5
  35. 1.65km NNW of Fontana, CA · 1755 days ago · 6 km deep · 30 km away · felt by 4
  36. 2.32km SE of Orange, CA · 1755 days ago · 5 km deep · 30 km away · felt by 145
  37. 2.25km ENE of Calimesa, CA · 1752 days ago · 16 km deep · 74 km away
  38. 2.92km N of Yucaipa, CA · 1751 days ago · 11 km deep · 70 km away · felt by 37
  39. 2.54km SSE of Charter Oak, CA · 1750 days ago · 12 km deep · 3 km away · felt by 24
  40. 1.64km N of Fontana, CA · 1749 days ago · 7 km deep · 32 km away
  41. 1.85km WNW of Beaumont, CA · 1749 days ago · 15 km deep · 73 km away
  42. 1.86km ESE of Valle Vista, CA · 1748 days ago · 16 km deep · 97 km away
  43. 1.78km SSE of Redlands, CA · 1748 days ago · 11 km deep · 59 km away
  44. 1.62km W of Devore, CA · 1747 days ago · 13 km deep · 39 km away
  45. 1.76km E of Calimesa, CA · 1746 days ago · 17 km deep · 75 km away
  46. 1.77km SE of Valle Vista, CA · 1746 days ago · 15 km deep · 98 km away · felt by 1
  47. 1.88km NNW of Fontana, CA · 1746 days ago · 3 km deep · 31 km away · felt by 1
  48. 2.43km ENE of Lytle Creek, CA · 1746 days ago · 8 km deep · 38 km away · felt by 22
  49. 1.811km NNE of Banning, CA · 1745 days ago · 18 km deep · 88 km away
  50. 2.815km SE of Malibu, CA · 1744 days ago · 14 km deep · 86 km away · felt by 19
  51. 1.910km S of Big Bear City, CA · 1743 days ago · 7 km deep · 90 km away
  52. 1.914km SE of Malibu, CA · 1742 days ago · 14 km deep · 86 km away
  53. 2.315km SE of Malibu, CA · 1742 days ago · 13 km deep · 86 km away
  54. 2.64km NW of Fontana, CA · 1741 days ago · 5 km deep · 30 km away · felt by 88
  55. 2.18km N of Big Bear City, CA · 1740 days ago · 7 km deep · 94 km away · felt by 1
  56. 2.12km SE of Carson, CA · 1740 days ago · 11 km deep · 50 km away · felt by 46
  57. 1.77km WNW of Lake Hughes, CA · 1740 days ago · 8 km deep · 97 km away
  58. 1.822km SSW of Seal Beach, CA · 1740 days ago · 2 km deep · 67 km away
  59. 2.03km SE of Carson, CA · 1740 days ago · 11 km deep · 51 km away · felt by 5
  60. 2.23km SE of Carson, CA · 1740 days ago · 11 km deep · 50 km away · felt by 27

The first 60 of 78.

Before

  1. 1.74km SE of Redlands, CA · 1788 days ago · 10 km deep · 60 km away
  2. 1.61km SE of Sylmar, CA · 1789 days ago · 10 km deep · 65 km away · felt by 1
  3. 1.84km WSW of East Los Angeles, CA · 1793 days ago · 16 km deep · 37 km away
  4. 1.85km SSW of Redlands, CA · 1794 days ago · 13 km deep · 56 km away
  5. 1.62km SSE of Chatsworth, CA · 1795 days ago · 5 km deep · 76 km away · felt by 1
  6. 2.58km NNW of Malibu, CA · 1797 days ago · 13 km deep · 95 km away · felt by 20
  7. 2.111km SSW of Rancho Palos Verdes, CA · 1797 days ago · 11 km deep · 75 km away
  8. 1.62km SSW of Sherman Oaks, CA · 1799 days ago · 6 km deep · 61 km away · felt by 6
  9. 1.510km N of Cabazon, CA · 1799 days ago · 14 km deep · 95 km away
  10. 1.62km ESE of Anaheim, CA · 1800 days ago · 6 km deep · 27 km away
  11. 1.62km ESE of Anaheim, CA · 1800 days ago · 5 km deep · 26 km away
  12. 1.73km SSW of Calimesa, CA · 1800 days ago · 17 km deep · 68 km away · felt by 1
  13. 1.63km N of Sylmar, CA · 1801 days ago · 3 km deep · 66 km away
  14. 1.62km ESE of Lawndale, CA · 1801 days ago · 11 km deep · 53 km away
  15. 2.03km SE of Loma Linda, CA · 1802 days ago · 17 km deep · 52 km away
  16. 1.76km NE of Cabazon, CA · 1804 days ago · 16 km deep · 99 km away
  17. 1.77km NW of Lakeland Village, CA · 1804 days ago · 8 km deep · 57 km away
  18. 1.813km SE of Big Bear City, CA · 1804 days ago · 1 km deep · 99 km away
  19. 1.52km E of Yucaipa, CA · 1804 days ago · 8 km deep · 71 km away
  20. 2.56km E of Yucaipa, CA · 1804 days ago · 20 km deep · 76 km away · felt by 2

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci40094136. Read Sun, Oct 4, 2026, 3:08 PM UTC.