California earthquakes

M1.8 earthquake 5km S of Devore, CA

A magnitude 1.8 earthquake struck 5km S of Devore, CA on Mon, Apr 30, 1984, 9:22 PM PDT (04:22 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M2.2 7km SSE of Big Bear City, CA. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.8 (mc), micro
Local time
UTC
1984-05-01 04:22:35 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
34.179° N, 117.400° 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.

Depth from
From location
Station coverage gap
0°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 135 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.27km SSE of Big Bear City, CA · 15451 days ago · 4 km deep · 55 km away
  2. 1.84km SSW of Loma Linda, CA · 15450 days ago · 17 km deep · 22 km away
  3. 1.88km SSE of Llano, CA · 15450 days ago · 6 km deep · 43 km away
  4. 1.69km NE of Aguanga, CA · 15450 days ago · 4 km deep · 93 km away
  5. 2.03km N of Lake Arrowhead, CA · 15450 days ago · 8 km deep · 22 km away
  6. 2.32km S of Yorba Linda, CA · 15450 days ago · 5 km deep · 52 km away
  7. 1.914km NW of Big Bear Lake, CA · 15450 days ago · 8 km deep · 38 km away
  8. 1.93km NNW of Colton, CA · 15449 days ago · 14 km deep · 11 km away
  9. 2.28km NE of Moreno Valley, CA · 15448 days ago · 15 km deep · 31 km away
  10. 2.211km E of Big Bear City, CA · 15448 days ago · 2 km deep · 63 km away
  11. 1.64km NNW of Fontana, CA · 15447 days ago · 4 km deep · 8 km away
  12. 2.72km NW of Muscoy, CA · 15447 days ago · 8 km deep · 4 km away
  13. 1.69km WSW of Idyllwild, CA · 15447 days ago · 14 km deep · 76 km away
  14. 1.89km ESE of Valle Vista, CA · 15447 days ago · 12 km deep · 76 km away
  15. 1.91km N of Colton, CA · 15446 days ago · 17 km deep · 13 km away
  16. 1.93km NNE of Carson, CA · 15446 days ago · 5 km deep · 87 km away
  17. 1.87km SSE of Big Bear City, CA · 15446 days ago · 4 km deep · 54 km away
  18. 1.514km SW of Lucerne Valley, CA · 15446 days ago · 3 km deep · 37 km away
  19. 1.75km SSE of Idyllwild, CA · 15445 days ago · 18 km deep · 84 km away
  20. 2.310km WSW of Newport Beach, CA · 15445 days ago · 5 km deep · 89 km away
  21. 1.711km ENE of Cabazon, CA · 15445 days ago · 11 km deep · 71 km away
  22. 2.113km NNW of Barstow, CA · 15444 days ago · 4 km deep · 96 km away
  23. 2.26km ENE of Yucaipa, CA · 15444 days ago · 12 km deep · 41 km away
  24. 2.72km ENE of Lake Arrowhead, CA · 15444 days ago · 4 km deep · 23 km away
  25. 3.925km ENE of Big Bear City, CA · 15444 days ago · 0 km deep · 76 km away
  26. 2.426km ENE of Big Bear City, CA · 15444 days ago · 0 km deep · 76 km away
  27. 1.527km ENE of Big Bear City, CA · 15444 days ago · -1 km deep · 78 km away
  28. 1.98km N of Fontana, CA · 15444 days ago · 8 km deep · 6 km away
  29. 2.524km ENE of Big Bear City, CA · 15444 days ago · 4 km deep · 75 km away
  30. 2.025km NE of Big Bear City, CA · 15444 days ago · 1 km deep · 75 km away
  31. 1.825km ENE of Big Bear City, CA · 15443 days ago · -1 km deep · 75 km away
  32. 1.94km ENE of Yorba Linda, CA · 15443 days ago · 5 km deep · 47 km away
  33. 2.06km SE of Loma Linda, CA · 15443 days ago · 14 km deep · 26 km away
  34. 2.99km NE of Cabazon, CA · 15443 days ago · 12 km deep · 67 km away
  35. 1.59km NE of Cabazon, CA · 15443 days ago · 16 km deep · 67 km away
  36. 2.124km NE of Big Bear City, CA · 15443 days ago · 4 km deep · 74 km away
  37. 1.92km NE of San Dimas, CA · 15443 days ago · 8 km deep · 36 km away
  38. 2.32km ENE of Lake Arrowhead, CA · 15443 days ago · 4 km deep · 23 km away
  39. 1.93km ENE of Lake Arrowhead, CA · 15443 days ago · 8 km deep · 24 km away
  40. 2.23km ENE of Lake Arrowhead, CA · 15442 days ago · 7 km deep · 24 km away
  41. 2.06km E of Calimesa, CA · 15442 days ago · 17 km deep · 44 km away
  42. 1.89km NE of Aguanga, CA · 15442 days ago · 4 km deep · 94 km away
  43. 1.77km E of Cabazon, CA · 15441 days ago · 15 km deep · 70 km away
  44. 1.66km ENE of Cabazon, CA · 15441 days ago · 12 km deep · 67 km away
  45. 1.66km NE of Cabazon, CA · 15441 days ago · 8 km deep · 65 km away
  46. 2.08km E of Cabazon, CA · 15441 days ago · 12 km deep · 70 km away
  47. 1.82km ENE of Lake Arrowhead, CA · 15441 days ago · 4 km deep · 23 km away
  48. 2.02km ESE of Altadena, CA · 15441 days ago · 5 km deep · 65 km away
  49. 2.25km E of Vincent, CA · 15441 days ago · 8 km deep · 70 km away
  50. 1.71km SSE of San Dimas, CA · 15441 days ago · 9 km deep · 38 km away
  51. 1.74km ENE of Banning, CA · 15440 days ago · 9 km deep · 59 km away
  52. 1.610km SSW of Calimesa, CA · 15440 days ago · 13 km deep · 41 km away
  53. 1.54km NNW of San Jacinto, CA · 15440 days ago · 11 km deep · 56 km away
  54. 1.814km NNW of Aguanga, CA · 15440 days ago · 5 km deep · 81 km away
  55. 1.74km SSE of Sherman Oaks, CA · 15440 days ago · 13 km deep · 96 km away
  56. 2.024km NE of Big Bear City, CA · 15440 days ago · 4 km deep · 74 km away
  57. 2.024km NE of Big Bear City, CA · 15439 days ago · 4 km deep · 75 km away
  58. 1.82km WSW of Muscoy, CA · 15439 days ago · 12 km deep · 4 km away
  59. 1.618km WNW of Morongo Valley, CA · 15439 days ago · 12 km deep · 59 km away
  60. 1.67km W of Big Bear Lake, CA · 15439 days ago · 12 km deep · 38 km away

The first 60 of 135.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci38432. Read Wed, Sep 23, 2026, 12:40 PM UTC.