M1.5 earthquake 2km SSE of Colton, California

Magnitude

1.5 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Wed, Jul 9, 2003, 11:35 PM PDT

UTC

2003-07-10 06:35:42 UTC

Depth

17.1 km (10.6 mi), shallow

Epicenter

34.061° N, 117.307° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.9 km in depth

Depth from

From location

Station coverage gap

61°

Stations used

25

• Colton, CaliforniaPopulation 54,621. Forecast2 kmSSE
• San Bernardino, CaliforniaPopulation 216,108. Forecast5 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast86 kmE

After

1. 1.516km NNE of Apple Valley, CaliforniaThu, Jul 10, 2:31 PM PDT · 8488 days ago · 4 km deep · 66 km away
2. 1.58km SSE of Wrightwood, CaliforniaFri, Jul 11, 1:13 AM PDT · 8487 days ago · 12 km deep · 38 km away
3. 1.71km S of Loma Linda, CAFri, Jul 11, 6:30 AM PDT · 8487 days ago · 15 km deep · 5 km away
4. 1.75km NNE of Big Bear City, CAFri, Jul 11, 8:32 AM PDT · 8487 days ago · 1 km deep · 52 km away
5. 2.10km SSW of Cabazon, CASat, Jul 12, 7:42 PM PDT · 8485 days ago · 17 km deep · 51 km away
6. 2.019km N of Yucca Valley, CASun, Jul 13, 11:36 PM PDT · 8484 days ago · 2 km deep · 84 km away
7. 4.234km NE of Lucerne Valley, CAMon, Jul 14, 11:15 PM PDT · 8483 days ago · 6 km deep · 86 km away · felt by 153
8. 1.534km NE of Lucerne Valley, CATue, Jul 15, 2:23 AM PDT · 8483 days ago · 8 km deep · 85 km away
9. 1.75km N of Nuevo, CATue, Jul 15, 7:24 PM PDT · 8482 days ago · 12 km deep · 28 km away
10. 1.67km SSE of Palomar Observatory, CATue, Jul 15, 7:55 PM PDT · 8482 days ago · 12 km deep · 96 km away
11. 1.56km SSW of Redlands, CAThu, Jul 17, 6:03 AM PDT · 8481 days ago · 4 km deep · 10 km away
12. 2.06km SE of Loma Linda, CAThu, Jul 17, 7:39 AM PDT · 8481 days ago · 4 km deep · 10 km away
13. 1.56km SE of Loma Linda, CAThu, Jul 17, 10:41 AM PDT · 8481 days ago · 6 km deep · 10 km away
14. 1.917km NNE of Apple Valley, CaliforniaThu, Jul 17, 12:53 PM PDT · 8481 days ago · 11 km deep · 67 km away
15. 1.55km SSE of Loma Linda, CaliforniaFri, Jul 18, 4:58 AM PDT · 8480 days ago · 17 km deep · 9 km away
16. 1.719km ESE of Anza, CAFri, Jul 18, 5:44 PM PDT · 8480 days ago · 12 km deep · 100 km away
17. 1.633km WSW of Ludlow, CaliforniaFri, Jul 18, 8:20 PM PDT · 8479 days ago · 7 km deep · 98 km away
18. 1.613km S of Joshua Tree, CAFri, Jul 18, 9:40 PM PDT · 8479 days ago · 7 km deep · 91 km away
19. 2.36km N of Big Bear City, CASat, Jul 19, 1:48 AM PDT · 8479 days ago · 4 km deep · 50 km away
20. 1.712km NW of Anza, CASat, Jul 19, 6:38 AM PDT · 8479 days ago · 15 km deep · 69 km away
21. 1.812km NW of Anza, CASat, Jul 19, 6:39 AM PDT · 8479 days ago · 14 km deep · 69 km away
22. 2.34km NNW of Villa Park, CASat, Jul 19, 11:34 AM PDT · 8479 days ago · 9 km deep · 54 km away
23. 1.630km N of Yucca Valley, CaliforniaSat, Jul 19, 7:14 PM PDT · 8479 days ago · 6 km deep · 86 km away
24. 1.52km E of Loma Linda, CASat, Jul 19, 9:07 PM PDT · 8478 days ago · 15 km deep · 7 km away
25. 1.63km ENE of Moreno Valley, CASat, Jul 19, 10:50 PM PDT · 8478 days ago · 14 km deep · 17 km away
26. 1.96km N of Big Bear City, CASun, Jul 20, 2:22 AM PDT · 8478 days ago · 4 km deep · 50 km away
27. 1.97km NNE of Beaumont, CASun, Jul 20, 8:07 AM PDT · 8478 days ago · 10 km deep · 33 km away
28. 2.237km N of Yucca Valley, CASun, Jul 20, 8:44 AM PDT · 8478 days ago · 4 km deep · 88 km away
29. 1.711km SE of Anza, CASun, Jul 20, 10:30 AM PDT · 8478 days ago · 8 km deep · 92 km away
30. 2.112km NNE of Thousand Palms, CASun, Jul 20, 11:16 PM PDT · 8477 days ago · 6 km deep · 89 km away
31. 1.911km NE of Big Bear City, CAMon, Jul 21, 3:09 AM PDT · 8477 days ago · 1 km deep · 59 km away
32. 1.75km SSW of Banning, CATue, Jul 22, 12:38 PM PDT · 8476 days ago · 13 km deep · 43 km away
33. 1.92km SE of Fallbrook, CATue, Jul 22, 6:50 PM PDT · 8476 days ago · 18 km deep · 78 km away
34. 1.64km SSE of Loma Linda, CATue, Jul 22, 9:20 PM PDT · 8475 days ago · 17 km deep · 8 km away
35. 1.612km NE of Thousand Palms, CAWed, Jul 23, 4:00 AM PDT · 8475 days ago · 9 km deep · 95 km away
36. 1.66km NNW of Big Bear Lake, CAWed, Jul 23, 9:09 PM PDT · 8474 days ago · 6 km deep · 43 km away
37. 1.65km NNE of Moreno Valley, CAWed, Jul 23, 11:31 PM PDT · 8474 days ago · 12 km deep · 14 km away
38. 1.64km SSW of Pearblossum, CaliforniaThu, Jul 24, 11:34 AM PDT · 8474 days ago · 3 km deep · 74 km away
39. 1.67km S of Redlands, CAThu, Jul 24, 11:54 AM PDT · 8474 days ago · 9 km deep · 14 km away
40. 2.05km S of Signal Hill, CAFri, Jul 25, 8:28 PM PDT · 8472 days ago · 17 km deep · 87 km away
41. 1.67km SSE of Banning, CASat, Jul 26, 12:29 PM PDT · 8472 days ago · 14 km deep · 48 km away
42. 1.66km SE of Loma Linda, CASat, Jul 26, 12:54 PM PDT · 8472 days ago · 4 km deep · 10 km away
43. 1.84km SE of Placentia, CASat, Jul 26, 5:18 PM PDT · 8472 days ago · 7 km deep · 55 km away
44. 1.96km NNE of Moreno Valley, CASun, Jul 27, 4:33 AM PDT · 8471 days ago · 12 km deep · 14 km away
45. 1.68km SW of Garnet, CASun, Jul 27, 5:26 PM PDT · 8471 days ago · 15 km deep · 68 km away
46. 1.75km SE of Loma Linda, CASun, Jul 27, 7:33 PM PDT · 8470 days ago · 12 km deep · 9 km away
47. 1.733km N of Yucca Valley, CASun, Jul 27, 9:50 PM PDT · 8470 days ago · 2 km deep · 85 km away
48. 1.84km NE of Banning, CAMon, Jul 28, 6:22 AM PDT · 8470 days ago · 19 km deep · 45 km away
49. 1.96km NNE of Moreno Valley, CAMon, Jul 28, 11:37 AM PDT · 8470 days ago · 12 km deep · 14 km away
50. 1.610km S of Valle Vista, CATue, Jul 29, 8:41 AM PDT · 8469 days ago · 13 km deep · 58 km away
51. 1.51km ENE of Colton, CATue, Jul 29, 9:30 PM PDT · 8468 days ago · 13 km deep · 2 km away
52. 1.840km NE of Big Bear City, CATue, Jul 29, 10:00 PM PDT · 8468 days ago · 8 km deep · 88 km away
53. 1.56km S of Yucca Valley, CAWed, Jul 30, 5:30 PM PDT · 8468 days ago · 10 km deep · 82 km away
54. 1.65km N of Big Bear City, CAWed, Jul 30, 5:31 PM PDT · 8468 days ago · 2 km deep · 50 km away
55. 1.74km NNW of Cabazon, CAWed, Jul 30, 9:55 PM PDT · 8467 days ago · 13 km deep · 49 km away
56. 1.54km NNW of Cabazon, CaliforniaThu, Jul 31, 12:21 AM PDT · 8467 days ago · 16 km deep · 48 km away
57. 2.07km ENE of Big Bear City, CAThu, Jul 31, 12:25 PM PDT · 8467 days ago · 8 km deep · 55 km away
58. 1.73km S of Loma Linda, CaliforniaFri, Aug 1, 2:53 AM PDT · 8466 days ago · 17 km deep · 6 km away
59. 1.54km NE of Yorba Linda, CAFri, Aug 1, 8:57 AM PDT · 8466 days ago · 13 km deep · 46 km away
60. 1.65km NE of Yorba Linda, CASat, Aug 2, 10:53 PM PDT · 8464 days ago · 11 km deep · 46 km away

The first 60 of 181.

Before

1. 1.710km NW of Lake Elsinore, CAWed, Jul 9, 8:26 PM PDT · 8488 days ago · 11 km deep · 37 km away
2. 1.74km E of Desert Hot Springs, CATue, Jul 8, 11:09 PM PDT · 8489 days ago · 4 km deep · 79 km away
3. 2.34km NNW of Colton, CATue, Jul 8, 11:53 AM PDT · 8490 days ago · 17 km deep · 5 km away
4. 2.24km ESE of Ontario, CATue, Jul 8, 6:50 AM PDT · 8490 days ago · 5 km deep · 26 km away
5. 1.68km SSW of Cabazon, CAMon, Jul 7, 2:48 PM PDT · 8491 days ago · 16 km deep · 51 km away
6. 1.711km ESE of Anza, CASun, Jul 6, 11:48 AM PDT · 8492 days ago · 13 km deep · 92 km away
7. 1.72km SSE of Loma Linda, CASun, Jul 6, 5:46 AM PDT · 8492 days ago · 15 km deep · 6 km away
8. 1.68km WNW of Aguanga, CASun, Jul 6, 4:35 AM PDT · 8492 days ago · 15 km deep · 73 km away
9. 1.66km WSW of Idyllwild, CASun, Jul 6, 4:31 AM PDT · 8492 days ago · 16 km deep · 62 km away
10. 2.07km SSE of Banning, CASun, Jul 6, 2:59 AM PDT · 8492 days ago · 17 km deep · 47 km away
11. 2.05km NNW of Moreno Valley, CASat, Jul 5, 10:39 AM PDT · 8493 days ago · 13 km deep · 12 km away
12. 2.58km E of Cabazon, CAFri, Jul 4, 11:10 PM PDT · 8493 days ago · 13 km deep · 58 km away
13. 2.05km N of Beaumont, CAFri, Jul 4, 4:08 PM PDT · 8494 days ago · 14 km deep · 32 km away
14. 1.72km SSW of Loma Linda, CAFri, Jul 4, 11:11 AM PDT · 8494 days ago · 16 km deep · 5 km away
15. 1.64km SSE of Morongo Valley, CAFri, Jul 4, 1:16 AM PDT · 8494 days ago · 6 km deep · 69 km away
16. 1.68km SSE of Idyllwild, CAThu, Jul 3, 8:50 AM PDT · 8495 days ago · 16 km deep · 71 km away
17. 1.87km SSW of Cabazon, CAWed, Jul 2, 8:18 PM PDT · 8495 days ago · 15 km deep · 50 km away
18. 1.68km SSE of Palomar Observatory, CATue, Jul 1, 2:58 PM PDT · 8497 days ago · 12 km deep · 97 km away
19. 1.57km N of Big Bear City, CATue, Jul 1, 3:55 AM PDT · 8497 days ago · 4 km deep · 52 km away
20. 1.92km SSE of Glen Avon, CAMon, Jun 30, 11:14 PM PDT · 8497 days ago · 16 km deep · 17 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9929545. Read Mon, Oct 5, 2026, 1:52 PM UTC.