California earthquakes

M1.8 earthquake 5km E of Calimesa, CA

A magnitude 1.8 earthquake struck 5km E of Calimesa, CA on Fri, Jan 13, 1978, 9:08 PM PST (05:08 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.0 3km NW of Colton, CA. This one was a foreshock.

Cherry Valley forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.8 (mc), micro
Local time
UTC
1978-01-14 05:08:54 UTC
Depth
7.9 km (4.9 mi), shallow
Epicenter
33.996° N, 116.996° 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, 1.3 km in depth
Depth from
From location
Station coverage gap
48°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 159 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.510km NE of Aguanga, CA · 17765 days ago · 6 km deep · 59 km away
  2. 1.714km NE of Twentynine Palms, CA · 17765 days ago · 4 km deep · 99 km away
  3. 1.614km NE of Twentynine Palms, CA · 17765 days ago · 6 km deep · 98 km away
  4. 1.54km WSW of Palomar Observatory, CA · 17765 days ago · 11 km deep · 73 km away
  5. 1.810km NE of Cabazon, CA · 17765 days ago · 14 km deep · 28 km away
  6. 2.03km NW of Colton, CA · 17765 days ago · 4 km deep · 33 km away
  7. 2.14km NNW of Fontana, CA · 17765 days ago · 4 km deep · 47 km away
  8. 2.21km ESE of Fontana, CA · 17764 days ago · 4 km deep · 43 km away
  9. 1.84km NNW of Fontana, CA · 17764 days ago · 7 km deep · 46 km away
  10. 2.36km E of Calimesa, CA · 17763 days ago · 13 km deep · 1 km away
  11. 1.710km NE of Aguanga, CA · 17763 days ago · 9 km deep · 57 km away
  12. 2.111km SE of Anza, CA · 17762 days ago · 10 km deep · 68 km away
  13. 1.710km SE of Anza, CA · 17762 days ago · 9 km deep · 67 km away
  14. 1.613km ENE of Big Bear City, CA · 17762 days ago · 5 km deep · 43 km away
  15. 1.82km WNW of Yucaipa, CA · 17762 days ago · 16 km deep · 8 km away
  16. 2.222km ESE of Anza, CA · 17762 days ago · 15 km deep · 76 km away
  17. 2.313km ENE of Big Bear City, CA · 17762 days ago · 0 km deep · 43 km away
  18. 2.313km ENE of Big Bear City, CA · 17762 days ago · 0 km deep · 43 km away
  19. 1.713km ENE of Big Bear City, CA · 17762 days ago · 2 km deep · 43 km away
  20. 3.713km ENE of Big Bear City, CA · 17762 days ago · 0 km deep · 43 km away
  21. 2.013km ENE of Big Bear City, CA · 17761 days ago · 0 km deep · 43 km away
  22. 1.810km SW of Corona, CA · 17761 days ago · 11 km deep · 63 km away
  23. 1.810km NE of Aguanga, CA · 17761 days ago · 7 km deep · 57 km away
  24. 1.616km ESE of Anza, CA · 17761 days ago · 14 km deep · 71 km away
  25. 2.213km ENE of Big Bear City, CA · 17761 days ago · 0 km deep · 43 km away
  26. 1.616km ESE of Anza, CA · 17761 days ago · 15 km deep · 72 km away
  27. 1.814km ENE of Big Bear City, CA · 17761 days ago · 3 km deep · 44 km away
  28. 1.89km NE of Aguanga, CA · 17761 days ago · 6 km deep · 58 km away
  29. 3.213km N of Cabazon, CA · 17761 days ago · 13 km deep · 21 km away
  30. 1.814km N of Cabazon, CA · 17761 days ago · 15 km deep · 20 km away
  31. 3.313km N of Cabazon, CA · 17761 days ago · 13 km deep · 21 km away
  32. 2.317km ESE of Anza, CA · 17761 days ago · 13 km deep · 71 km away
  33. 1.614km N of Cabazon, CA · 17761 days ago · 11 km deep · 21 km away
  34. 1.513km N of Cabazon, CA · 17761 days ago · 6 km deep · 20 km away
  35. 2.413km ENE of Big Bear City, CA · 17761 days ago · 0 km deep · 43 km away
  36. 2.310km SSW of Lucerne Valley, CA · 17760 days ago · 0 km deep · 41 km away
  37. 2.18km NNE of Banning, CA · 17760 days ago · 10 km deep · 14 km away
  38. 1.512km N of Borrego Springs, CA · 17760 days ago · 12 km deep · 91 km away
  39. 2.28km NNE of Banning, CA · 17760 days ago · 10 km deep · 14 km away
  40. 1.610km NE of Aguanga, CA · 17760 days ago · 6 km deep · 58 km away
  41. 1.611km N of Big Bear City, CA · 17760 days ago · 5 km deep · 43 km away
  42. 1.83km SSW of Mentone, CA · 17760 days ago · 9 km deep · 15 km away
  43. 1.63km SSW of Mentone, CA · 17760 days ago · 8 km deep · 15 km away
  44. 1.64km S of San Dimas, CA · 17760 days ago · 14 km deep · 75 km away
  45. 1.73km SW of Mentone, CA · 17759 days ago · 9 km deep · 16 km away
  46. 1.63km ESE of Redlands, CA · 17759 days ago · 9 km deep · 15 km away
  47. 2.23km ESE of Redlands, CA · 17759 days ago · 8 km deep · 16 km away
  48. 1.95km NW of Aguanga, CA · 17759 days ago · 14 km deep · 58 km away
  49. 1.66km NE of Indio, CA · 17759 days ago · 6 km deep · 80 km away
  50. 2.22km WSW of Irvine, CA · 17759 days ago · 13 km deep · 84 km away
  51. 1.717km ESE of Anza, CA · 17757 days ago · 13 km deep · 73 km away
  52. 1.716km ESE of Anza, CA · 17757 days ago · 12 km deep · 72 km away
  53. 1.84km SSW of Cabazon, CA · 17757 days ago · 6 km deep · 21 km away
  54. 2.12km ENE of Fontana, CA · 17756 days ago · 5 km deep · 43 km away
  55. 2.78km NW of Big Bear Lake, CA · 17756 days ago · 8 km deep · 32 km away
  56. 1.69km NE of Cabazon, CA · 17755 days ago · 6 km deep · 25 km away
  57. 1.714km ENE of Big Bear City, CA · 17754 days ago · 1 km deep · 44 km away
  58. 2.56km SE of Chino Hills, CA · 17754 days ago · 6 km deep · 67 km away
  59. 2.311km WNW of Morongo Valley, CA · 17754 days ago · 5 km deep · 30 km away
  60. 1.58km ESE of Valle Vista, CA · 17754 days ago · 14 km deep · 35 km away

The first 60 of 159.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9997478. Read Tue, Sep 22, 2026, 10:33 PM UTC.