California earthquakes

M1.5 earthquake 4km NNE of Walnut, CA

A magnitude 1.5 earthquake struck 4km NNE of Walnut, CA on Fri, May 2, 2003, 1:53 AM PDT (08:53 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.4 8km SW of Devore, CA. This one was a foreshock.

Walnut 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
1.5 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2003-05-02 08:53:39 UTC
Depth
11.1 km (6.9 mi), shallow
Epicenter
34.058° N, 117.846° 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 0.5 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
135°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 170 in the 60 days after this one and 91 in the 30 days before it.

After

  1. 1.74km NE of Yorba Linda, CA · 8557 days ago · 11 km deep · 17 km away
  2. 2.45km NE of Yorba Linda, CA · 8557 days ago · 12 km deep · 17 km away
  3. 1.612km SSW of Big Bear Lake, CA · 8557 days ago · 7 km deep · 81 km away
  4. 2.112km NE of Simi Valley, CA · 8556 days ago · 13 km deep · 83 km away
  5. 1.512km SSW of Big Bear Lake, CA · 8556 days ago · 10 km deep · 81 km away
  6. 2.83km WSW of Calimesa, CA · 8556 days ago · 15 km deep · 71 km away
  7. 1.62km S of Loma Linda, California · 8555 days ago · 17 km deep · 54 km away
  8. 1.57km N of Big Bear City, CA · 8555 days ago · 5 km deep · 98 km away
  9. 2.08km NNE of Banning, CA · 8554 days ago · 18 km deep · 94 km away
  10. 1.85km NNW of Big Bear City, CA · 8554 days ago · 5 km deep · 94 km away
  11. 1.52km ENE of Culver City, CA · 8552 days ago · 9 km deep · 49 km away
  12. 1.57km SW of Lytle Creek, California · 8552 days ago · 6 km deep · 32 km away
  13. 1.71km SSW of Loma Linda, CA · 8552 days ago · 17 km deep · 53 km away
  14. 2.011km E of Yucaipa, CA · 8551 days ago · 11 km deep · 85 km away
  15. 1.65km WNW of Calimesa, CA · 8551 days ago · 15 km deep · 69 km away
  16. 1.87km NNW of Mira Loma, CA · 8550 days ago · 8 km deep · 28 km away
  17. 1.83km NE of Colton, CA · 8550 days ago · 12 km deep · 52 km away
  18. 2.69km SSE of Running Springs, CA · 8550 days ago · 7 km deep · 73 km away
  19. 1.93km W of Costa Mesa, CA · 8550 days ago · 4 km deep · 45 km away
  20. 1.71km ENE of Granada Hills, CA · 8549 days ago · 14 km deep · 64 km away
  21. 1.57km N of Big Bear City, CA · 8549 days ago · 3 km deep · 96 km away
  22. 1.54km N of Big Bear City, California · 8548 days ago · 4 km deep · 96 km away
  23. 1.70km SSW of Malibu, CA · 8548 days ago · 6 km deep · 89 km away
  24. 1.814km SW of Marina del Rey, CA · 8548 days ago · 14 km deep · 69 km away
  25. 1.614km S of Big Bear Lake, CA · 8548 days ago · 4 km deep · 86 km away
  26. 1.83km ENE of Nuevo, CA · 8548 days ago · 14 km deep · 73 km away
  27. 2.311km SSE of San Pedro, CA · 8548 days ago · 3 km deep · 60 km away
  28. 1.67km N of Big Bear City, CA · 8547 days ago · 3 km deep · 98 km away
  29. 1.610km NNW of Big Bear City, CA · 8546 days ago · -2 km deep · 92 km away
  30. 1.511km W of El Segundo, California · 8546 days ago · 9 km deep · 66 km away
  31. 1.65km SE of Loma Linda, CA · 8546 days ago · 17 km deep · 57 km away
  32. 1.62km E of Loma Linda, CA · 8546 days ago · 13 km deep · 56 km away
  33. 2.04km S of Charter Oak, CA · 8546 days ago · 11 km deep · 1 km away
  34. 1.70km NNW of Loma Linda, CA · 8546 days ago · 17 km deep · 54 km away
  35. 1.54km NNE of Walnut, CA · 8545 days ago · 10 km deep · 0 km away
  36. 1.78km NNE of Big Bear City, CA · 8545 days ago · 5 km deep · 99 km away
  37. 1.68km NNE of Big Bear City, CA · 8545 days ago · 4 km deep · 99 km away
  38. 1.79km NNE of Beaumont, CA · 8545 days ago · 12 km deep · 83 km away
  39. 2.29km NNE of Beaumont, CA · 8545 days ago · 16 km deep · 83 km away
  40. 1.51km W of Beaumont, California · 8545 days ago · 17 km deep · 81 km away
  41. 1.59km ESE of Temecula, CA · 8543 days ago · 13 km deep · 98 km away
  42. 1.66km ESE of Valle Vista, CA · 8542 days ago · 16 km deep · 100 km away
  43. 1.717km NE of Lake Los Angeles, CA · 8542 days ago · 3 km deep · 75 km away
  44. 2.16km NW of Big Bear City, CA · 8542 days ago · 7 km deep · 92 km away
  45. 1.55km N of Big Bear City, California · 8542 days ago · 4 km deep · 96 km away
  46. 2.010km WSW of Malibu, CA · 8541 days ago · 14 km deep · 99 km away
  47. 1.80km NE of View Park-Windsor Hills, CA · 8541 days ago · 10 km deep · 46 km away
  48. 1.64km S of Charter Oak, CA · 8541 days ago · 11 km deep · 1 km away
  49. 1.62km WNW of Cabazon, CA · 8540 days ago · 17 km deep · 96 km away
  50. 1.92km SSW of San Bernardino, CA · 8540 days ago · 11 km deep · 50 km away
  51. 1.54km S of Loma Linda, California · 8539 days ago · 16 km deep · 54 km away
  52. 1.517km NNE of Apple Valley, California · 8539 days ago · 1 km deep · 93 km away
  53. 1.54km SSW of Banning, CA · 8539 days ago · 12 km deep · 90 km away
  54. 2.02km WNW of Lake Hughes, CA · 8538 days ago · 11 km deep · 90 km away
  55. 1.52km S of Loma Linda, California · 8537 days ago · 11 km deep · 54 km away
  56. 2.312km NW of Big Bear Lake, CA · 8537 days ago · 4 km deep · 82 km away
  57. 2.51km N of San Gabriel, CA · 8537 days ago · 8 km deep · 24 km away
  58. 2.08km NE of Yucaipa, CA · 8536 days ago · 3 km deep · 79 km away
  59. 1.54km SSW of Valencia, CA · 8535 days ago · 7 km deep · 79 km away
  60. 1.710km SSW of Corona, CA · 8535 days ago · 4 km deep · 36 km away

The first 60 of 170.

Before

  1. 1.84km WNW of Van Nuys, CA · 8558 days ago · 16 km deep · 61 km away
  2. 1.96km SSW of Devore, CA · 8558 days ago · 10 km deep · 40 km away
  3. 1.510km SSW of Lucerne Valley, CA · 8559 days ago · -1 km deep · 83 km away
  4. 1.72km WNW of North Hollywood, CA · 8560 days ago · 9 km deep · 53 km away
  5. 1.72km SW of Loma Linda, CA · 8561 days ago · 17 km deep · 53 km away
  6. 1.89km NNE of Banning, CA · 8562 days ago · 12 km deep · 93 km away
  7. 1.61km S of El Monte, CA · 8562 days ago · 7 km deep · 17 km away
  8. 1.75km N of Big Bear City, CA · 8562 days ago · 4 km deep · 96 km away
  9. 1.63km SSE of Redlands, CA · 8562 days ago · 14 km deep · 62 km away
  10. 1.80km S of El Monte, CA · 8562 days ago · 7 km deep · 17 km away
  11. 1.92km SW of San Bernardino, CA · 8562 days ago · 14 km deep · 50 km away
  12. 2.06km N of Big Bear City, CA · 8563 days ago · 3 km deep · 96 km away
  13. 1.65km N of Big Bear City, CA · 8563 days ago · 4 km deep · 96 km away
  14. 1.78km SW of Calimesa, CA · 8563 days ago · 17 km deep · 68 km away
  15. 1.75km N of Big Bear City, CA · 8564 days ago · 4 km deep · 96 km away
  16. 1.74km NE of Yorba Linda, CA · 8564 days ago · 10 km deep · 17 km away
  17. 2.19km NNE of Cabazon, CA · 8565 days ago · 16 km deep · 100 km away
  18. 1.78km E of Temecula, CA · 8565 days ago · 5 km deep · 97 km away
  19. 2.19km NNE of Cabazon, CA · 8566 days ago · 17 km deep · 100 km away
  20. 1.54km N of Big Bear City, CA · 8566 days ago · 3 km deep · 97 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci13960596. Read Mon, Oct 5, 2026, 10:42 AM UTC.