M1.7 earthquake 10km WSW of Corona, CA

Magnitude

1.7 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, Apr 7, 2003, 7:59 PM PDT

UTC

2003-04-08 02:59:58 UTC

Depth

7.9 km (4.9 mi), shallow

Epicenter

33.832° N, 117.666° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

62°

Stations used

17

• Corona, CaliforniaPopulation 164,226. Forecast10 kmWSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast59 kmESE

After

1. 1.66km N of Big Bear City, CAMon, Apr 7, 8:52 PM PDT · 8581 days ago · 1 km deep · 93 km away
2. 1.55km NNE of Big Bear City, CAMon, Apr 7, 10:33 PM PDT · 8581 days ago · 5 km deep · 93 km away
3. 2.35km N of Big Bear City, CATue, Apr 8, 12:17 AM PDT · 8581 days ago · 4 km deep · 92 km away
4. 1.95km N of Big Bear City, CATue, Apr 8, 12:18 AM PDT · 8581 days ago · 4 km deep · 92 km away
5. 1.55km N of Big Bear City, CATue, Apr 8, 12:21 AM PDT · 8581 days ago · 3 km deep · 92 km away
6. 1.55km N of Big Bear City, CATue, Apr 8, 12:26 AM PDT · 8581 days ago · 4 km deep · 92 km away
7. 1.66km N of Big Bear City, CATue, Apr 8, 12:38 AM PDT · 8581 days ago · 4 km deep · 92 km away
8. 1.75km N of Big Bear City, CaliforniaTue, Apr 8, 12:39 AM PDT · 8581 days ago · 4 km deep · 93 km away
9. 1.95km N of Big Bear City, CATue, Apr 8, 12:42 AM PDT · 8581 days ago · 4 km deep · 92 km away
10. 1.56km N of Big Bear City, CATue, Apr 8, 5:39 AM PDT · 8581 days ago · 3 km deep · 92 km away
11. 1.75km N of Big Bear City, CATue, Apr 8, 3:15 PM PDT · 8581 days ago · 3 km deep · 92 km away
12. 1.54km NNE of Big Bear City, CAWed, Apr 9, 1:18 PM PDT · 8580 days ago · 4 km deep · 93 km away
13. 2.56km N of Big Bear City, CAThu, Apr 10, 1:48 AM PDT · 8579 days ago · 4 km deep · 92 km away
14. 3.36km N of Big Bear City, CAThu, Apr 10, 4:03 PM PDT · 8578 days ago · 4 km deep · 92 km away
15. 1.65km N of Big Bear City, CAThu, Apr 10, 4:05 PM PDT · 8578 days ago · 6 km deep · 92 km away
16. 2.25km N of Big Bear City, CAThu, Apr 10, 4:49 PM PDT · 8578 days ago · 4 km deep · 92 km away
17. 1.55km N of Big Bear City, CaliforniaThu, Apr 10, 5:03 PM PDT · 8578 days ago · 4 km deep · 92 km away
18. 1.95km N of Big Bear City, CAThu, Apr 10, 5:57 PM PDT · 8578 days ago · 4 km deep · 92 km away
19. 1.95km N of Big Bear City, CAThu, Apr 10, 6:26 PM PDT · 8578 days ago · 4 km deep · 92 km away
20. 1.61km NNE of Colton, CAThu, Apr 10, 6:49 PM PDT · 8578 days ago · 17 km deep · 43 km away
21. 1.75km N of Big Bear City, CASat, Apr 12, 5:53 AM PDT · 8577 days ago · 4 km deep · 92 km away
22. 2.614km S of Big Bear Lake, CASat, Apr 12, 7:27 AM PDT · 8577 days ago · 2 km deep · 77 km away
23. 1.510km W of Aguanga, CASun, Apr 13, 1:34 AM PDT · 8576 days ago · 12 km deep · 78 km away
24. 1.76km NNW of Cabazon, CaliforniaSun, Apr 13, 1:47 AM PDT · 8576 days ago · 18 km deep · 80 km away
25. 1.63km SSW of Loma Linda, CASun, Apr 13, 2:20 AM PDT · 8576 days ago · 17 km deep · 42 km away
26. 1.56km SSW of Redlands, CASun, Apr 13, 9:06 PM PDT · 8575 days ago · 16 km deep · 47 km away
27. 1.912km NNE of Yucaipa, CASun, Apr 13, 10:34 PM PDT · 8575 days ago · 11 km deep · 70 km away
28. 3.10km NE of Compton, CAMon, Apr 14, 3:08 AM PDT · 8575 days ago · 14 km deep · 51 km away · felt by 526
29. 2.21km NNW of Compton, CAMon, Apr 14, 3:19 AM PDT · 8575 days ago · 14 km deep · 52 km away
30. 2.01km NNE of Compton, CAMon, Apr 14, 3:58 AM PDT · 8575 days ago · 5 km deep · 51 km away
31. 1.610km SSW of Idyllwild, CAMon, Apr 14, 4:42 AM PDT · 8575 days ago · 15 km deep · 88 km away
32. 1.64km N of Big Bear City, CaliforniaMon, Apr 14, 6:48 AM PDT · 8575 days ago · 4 km deep · 93 km away
33. 1.82km WSW of Loma Linda, CAMon, Apr 14, 10:13 AM PDT · 8575 days ago · 16 km deep · 43 km away
34. 1.82km SE of Paramount, CAMon, Apr 14, 2:59 PM PDT · 8575 days ago · 13 km deep · 45 km away
35. 1.85km N of Big Bear City, CaliforniaTue, Apr 15, 5:40 PM PDT · 8573 days ago · 3 km deep · 93 km away
36. 1.74km N of Big Bear City, CaliforniaTue, Apr 15, 6:02 PM PDT · 8573 days ago · 6 km deep · 91 km away
37. 1.59km SW of Corona, CATue, Apr 15, 6:58 PM PDT · 8573 days ago · 6 km deep · 4 km away
38. 2.42km ENE of Compton, CATue, Apr 15, 10:14 PM PDT · 8573 days ago · 14 km deep · 50 km away
39. 1.712km NNE of Yucaipa, CaliforniaThu, Apr 17, 1:50 PM PDT · 8572 days ago · 2 km deep · 71 km away
40. 1.65km ESE of Valle Vista, CAThu, Apr 17, 9:00 PM PDT · 8571 days ago · 16 km deep · 77 km away
41. 1.59km N of Anza, CAThu, Apr 17, 9:33 PM PDT · 8571 days ago · 16 km deep · 93 km away
42. 1.75km NE of Beaumont, CAFri, Apr 18, 9:55 AM PDT · 8571 days ago · 17 km deep · 69 km away
43. 1.75km NNE of Big Bear City, CAFri, Apr 18, 4:30 PM PDT · 8570 days ago · 6 km deep · 93 km away
44. 1.65km WNW of Calimesa, CAFri, Apr 18, 8:04 PM PDT · 8570 days ago · 13 km deep · 55 km away
45. 1.73km WSW of Willowbrook, CaliforniaFri, Apr 18, 8:21 PM PDT · 8570 days ago · 16 km deep · 58 km away
46. 1.51km ENE of Loma Linda, CAFri, Apr 18, 8:39 PM PDT · 8570 days ago · 12 km deep · 45 km away
47. 1.75km N of Big Bear City, CASat, Apr 19, 12:08 AM PDT · 8570 days ago · 3 km deep · 92 km away
48. 2.03km S of Fountain Valley, CASat, Apr 19, 7:32 PM PDT · 8569 days ago · 6 km deep · 32 km away
49. 1.75km N of Big Bear City, CASun, Apr 20, 4:24 AM PDT · 8569 days ago · 4 km deep · 92 km away
50. 1.92km E of Granada Hills, CASun, Apr 20, 8:19 AM PDT · 8569 days ago · 14 km deep · 90 km away
51. 1.74km E of Big Bear City, CaliforniaSun, Apr 20, 2:16 PM PDT · 8569 days ago · 6 km deep · 93 km away
52. 1.88km WNW of Palos Verdes Estates, CaliforniaMon, Apr 21, 1:15 AM PDT · 8568 days ago · 6 km deep · 74 km away
53. 1.98km SW of Morongo Valley, CAMon, Apr 21, 1:41 AM PDT · 8568 days ago · 14 km deep · 96 km away
54. 1.621km SSW of Seal Beach, CaliforniaMon, Apr 21, 10:28 AM PDT · 8568 days ago · 6 km deep · 56 km away
55. 2.511km NE of Big Bear City, CAMon, Apr 21, 11:56 PM PDT · 8567 days ago · 1 km deep · 100 km away
56. 2.51km NW of El Segundo, CATue, Apr 22, 2:25 PM PDT · 8567 days ago · 7 km deep · 71 km away
57. 1.54km N of Big Bear City, CATue, Apr 22, 10:58 PM PDT · 8566 days ago · 3 km deep · 93 km away
58. 2.19km NNE of Cabazon, CAWed, Apr 23, 2:04 AM PDT · 8566 days ago · 17 km deep · 85 km away
59. 1.78km NNW of Anza, CAWed, Apr 23, 8:35 PM PDT · 8565 days ago · 14 km deep · 92 km away
60. 1.78km E of Temecula, CAThu, Apr 24, 3:16 AM PDT · 8565 days ago · 5 km deep · 68 km away

The first 60 of 183.

Before

1. 1.73km SSW of Culver City, CAMon, Apr 7, 12:34 AM PDT · 8582 days ago · 17 km deep · 71 km away
2. 1.61km ENE of Baldwin Hills, CAMon, Apr 7, 12:33 AM PDT · 8582 days ago · 14 km deep · 67 km away
3. 1.52km W of San Fernando, CASun, Apr 6, 4:21 PM PDT · 8582 days ago · 13 km deep · 89 km away
4. 1.610km S of Idyllwild, CASun, Apr 6, 1:34 PM PDT · 8583 days ago · 16 km deep · 89 km away
5. 1.64km SSE of Cabazon, CASun, Apr 6, 6:40 AM PDT · 8583 days ago · 14 km deep · 83 km away
6. 2.14km NNE of Big Bear City, CASun, Apr 6, 4:45 AM PDT · 8583 days ago · 4 km deep · 92 km away
7. 2.35km W of Palomar Observatory, CASun, Apr 6, 4:27 AM PDT · 8583 days ago · 11 km deep · 87 km away
8. 1.86km S of Encino, CASun, Apr 6, 1:52 AM PST · 8583 days ago · 8 km deep · 83 km away
9. 1.64km SSW of Idyllwild, CASun, Apr 6, 1:35 AM PST · 8583 days ago · 19 km deep · 88 km away
10. 2.06km NNE of Claremont, CASat, Apr 5, 8:43 PM PST · 8583 days ago · 8 km deep · 35 km away
11. 1.85km N of Big Bear City, CASat, Apr 5, 5:24 PM PST · 8583 days ago · 3 km deep · 93 km away
12. 1.68km ENE of Pala, CASat, Apr 5, 5:12 AM PST · 8584 days ago · 9 km deep · 78 km away
13. 1.76km S of Encino, CAFri, Apr 4, 9:14 PM PST · 8584 days ago · 9 km deep · 83 km away
14. 1.74km N of Moreno Valley, CAFri, Apr 4, 2:36 PM PST · 8584 days ago · 14 km deep · 43 km away
15. 2.07km N of Banning, CAFri, Apr 4, 7:14 AM PST · 8585 days ago · 19 km deep · 75 km away
16. 1.80km SW of Loma Linda, CaliforniaFri, Apr 4, 5:43 AM PST · 8585 days ago · 17 km deep · 44 km away
17. 1.61km S of Yorba Linda, CAFri, Apr 4, 12:27 AM PST · 8585 days ago · 10 km deep · 15 km away
18. 2.57km N of Big Bear City, CAThu, Apr 3, 9:53 PM PST · 8585 days ago · 3 km deep · 92 km away
19. 1.62km W of Redlands, CaliforniaThu, Apr 3, 11:15 AM PST · 8586 days ago · 6 km deep · 49 km away
20. 2.02km ENE of Grand Terrace, CAThu, Apr 3, 6:47 AM PST · 8586 days ago · 18 km deep · 42 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9905921. Read Mon, Oct 5, 2026, 9:47 AM UTC.