M1.8 earthquake 11km NNE of Simi Valley, CA

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Thu, Aug 1, 2002, 11:27 PM PDT

UTC

2002-08-02 06:27:40 UTC

Depth

14.0 km (8.7 mi), shallow

Epicenter

34.360° N, 118.679° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.5 km horizontally, 0.8 km in depth

Magnitude uncertainty

±0.25

Depth from

From location

Station coverage gap

74°

Stations used

23

• Val Verde, CaliforniaPopulation 2,468. Forecast10 kmSSW
• Stevenson Ranch, CaliforniaPopulation 17,557. Forecast10 kmWSW
• Valencia, CaliforniaPopulation 148,456. Forecast11 kmSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast53 kmNW

After

1. 2.21km WSW of Castaic, CAMon, Aug 5, 5:31 PM PDT · 8826 days ago · 17 km deep · 15 km away
2. 1.712km W of Palos Verdes Estates, CATue, Aug 6, 4:42 AM PDT · 8826 days ago · 14 km deep · 62 km away
3. 2.011km ENE of Pine Mountain Club, CATue, Aug 6, 3:48 PM PDT · 8825 days ago · 11 km deep · 69 km away
4. 1.614km W of Malibu, CaliforniaThu, Aug 8, 2:45 AM PDT · 8824 days ago · 13 km deep · 48 km away
5. 2.77km NW of Rancho Cucamonga, CAThu, Aug 8, 3:25 AM PDT · 8824 days ago · 13 km deep · 98 km away
6. 2.211km NE of Grapevine, CAFri, Aug 9, 8:08 PM PDT · 8822 days ago · 13 km deep · 74 km away
7. 1.82km N of Pacoima, CASat, Aug 10, 6:41 AM PDT · 8822 days ago · 11 km deep · 23 km away
8. 2.42km S of Culver City, CATue, Aug 13, 3:28 AM PDT · 8819 days ago · 12 km deep · 48 km away
9. 1.512km NNE of Simi Valley, CATue, Aug 13, 11:21 AM PDT · 8819 days ago · 12 km deep · 1 km away
10. 1.62km NW of MacArthur Park, CASat, Aug 17, 1:53 PM PDT · 8814 days ago · 11 km deep · 48 km away
11. 1.619km SSW of Lamont, CaliforniaMon, Aug 19, 11:07 PM PDT · 8812 days ago · 24 km deep · 90 km away
12. 1.811km ESE of Tehachapi, CATue, Aug 20, 5:25 AM PDT · 8812 days ago · 4 km deep · 87 km away
13. 1.93km SE of Long Beach, CaliforniaWed, Aug 21, 12:20 AM PDT · 8811 days ago · 15 km deep · 81 km away
14. 2.01km WSW of Seal Beach, CaliforniaWed, Aug 21, 12:29 AM PDT · 8811 days ago · 17 km deep · 87 km away
15. 2.13km NNW of Simi Valley, CAWed, Aug 21, 1:41 AM PDT · 8811 days ago · 11 km deep · 10 km away
16. 1.52km NNW of Simi Valley, CAWed, Aug 21, 2:37 AM PDT · 8811 days ago · 13 km deep · 10 km away
17. 1.94km ENE of Culver City, CAWed, Aug 21, 8:24 AM PDT · 8811 days ago · 9 km deep · 46 km away
18. 1.85km WNW of Pine Mountain Club, CaliforniaThu, Aug 22, 9:01 PM PDT · 8809 days ago · 12 km deep · 73 km away
19. 1.55km ESE of Santa Clarita, CaliforniaMon, Aug 26, 1:20 PM PDT · 8805 days ago · 6 km deep · 21 km away
20. 1.57km WSW of Wrightwood, CAMon, Aug 26, 11:25 PM PDT · 8805 days ago · 6 km deep · 90 km away
21. 1.717km NW of Tehachapi, CATue, Aug 27, 1:56 AM PDT · 8805 days ago · 5 km deep · 99 km away
22. 1.52km N of Silver Lake, CATue, Aug 27, 3:39 PM PDT · 8804 days ago · 9 km deep · 47 km away
23. 2.01km SE of San Fernando, CAWed, Aug 28, 3:34 AM PDT · 8804 days ago · 13 km deep · 24 km away
24. 1.53km WSW of Lebec, CAFri, Aug 30, 5:20 PM PDT · 8801 days ago · 15 km deep · 56 km away
25. 1.513km SSW of Lamont, CaliforniaFri, Aug 30, 11:39 PM PDT · 8801 days ago · 19 km deep · 92 km away
26. 2.11km S of Rossmoor, CASun, Sep 1, 11:12 AM PDT · 8800 days ago · 15 km deep · 85 km away
27. 1.61km N of Diamond Bar, CAMon, Sep 2, 6:50 PM PDT · 8798 days ago · 15 km deep · 88 km away
28. 2.75km NE of Yorba Linda, CAMon, Sep 2, 9:50 PM PDT · 8798 days ago · 13 km deep · 96 km away
29. 1.64km NE of Yorba Linda, CAMon, Sep 2, 10:23 PM PDT · 8798 days ago · 12 km deep · 97 km away
30. 4.84km NE of Yorba Linda, CATue, Sep 3, 12:08 AM PDT · 8798 days ago · 9 km deep · 96 km away · felt by 7,749
31. 2.05km NE of Yorba Linda, CATue, Sep 3, 12:12 AM PDT · 8798 days ago · 11 km deep · 97 km away
32. 2.95km NE of Yorba Linda, CATue, Sep 3, 12:15 AM PDT · 8798 days ago · 12 km deep · 97 km away
33. 2.55km NE of Yorba Linda, CATue, Sep 3, 12:17 AM PDT · 8798 days ago · 12 km deep · 97 km away
34. 2.35km NE of Yorba Linda, CATue, Sep 3, 12:22 AM PDT · 8798 days ago · 12 km deep · 97 km away
35. 1.74km NE of Yorba Linda, CATue, Sep 3, 12:28 AM PDT · 8798 days ago · 13 km deep · 97 km away
36. 2.06km NE of Yorba Linda, CATue, Sep 3, 12:41 AM PDT · 8798 days ago · 12 km deep · 97 km away
37. 1.65km NE of Yorba Linda, CATue, Sep 3, 12:43 AM PDT · 8798 days ago · 12 km deep · 97 km away
38. 1.64km NE of Yorba Linda, CATue, Sep 3, 12:45 AM PDT · 8798 days ago · 11 km deep · 97 km away
39. 1.65km NE of Yorba Linda, CATue, Sep 3, 1:16 AM PDT · 8798 days ago · 11 km deep · 97 km away
40. 1.54km NE of Yorba Linda, CATue, Sep 3, 1:56 AM PDT · 8798 days ago · 12 km deep · 97 km away
41. 1.54km NE of Yorba Linda, CATue, Sep 3, 1:59 AM PDT · 8798 days ago · 14 km deep · 97 km away
42. 1.96km NE of Yorba Linda, CATue, Sep 3, 2:12 AM PDT · 8798 days ago · 11 km deep · 96 km away
43. 1.95km NE of Yorba Linda, CATue, Sep 3, 2:18 AM PDT · 8798 days ago · 11 km deep · 97 km away
44. 2.06km NE of Yorba Linda, CATue, Sep 3, 2:42 AM PDT · 8798 days ago · 8 km deep · 98 km away
45. 1.75km NE of Yorba Linda, CATue, Sep 3, 2:48 AM PDT · 8798 days ago · 13 km deep · 97 km away
46. 1.64km NE of Yorba Linda, CATue, Sep 3, 2:57 AM PDT · 8798 days ago · 12 km deep · 97 km away
47. 1.55km NE of Yorba Linda, CATue, Sep 3, 3:52 AM PDT · 8798 days ago · 11 km deep · 97 km away
48. 2.95km NE of Yorba Linda, CATue, Sep 3, 4:28 AM PDT · 8798 days ago · 10 km deep · 97 km away
49. 1.65km NE of Yorba Linda, CATue, Sep 3, 7:18 AM PDT · 8798 days ago · 9 km deep · 97 km away
50. 1.64km NE of Yorba Linda, CATue, Sep 3, 7:34 AM PDT · 8798 days ago · 11 km deep · 96 km away
51. 2.74km NE of Yorba Linda, CATue, Sep 3, 1:03 PM PDT · 8797 days ago · 7 km deep · 96 km away
52. 1.84km NE of Yorba Linda, CATue, Sep 3, 8:55 PM PDT · 8797 days ago · 11 km deep · 97 km away
53. 1.95km NE of Yorba Linda, CAWed, Sep 4, 2:58 AM PDT · 8797 days ago · 13 km deep · 97 km away
54. 1.67km WNW of Pine Mountain Club, CAWed, Sep 4, 8:14 PM PDT · 8796 days ago · 12 km deep · 75 km away
55. 1.82km W of San Fernando, CAThu, Sep 5, 3:00 AM PDT · 8796 days ago · 12 km deep · 22 km away
56. 1.64km NE of Yorba Linda, CAThu, Sep 5, 4:30 AM PDT · 8796 days ago · 11 km deep · 97 km away
57. 1.518km NW of Grapevine, CaliforniaThu, Sep 5, 5:27 AM PDT · 8796 days ago · 17 km deep · 85 km away
58. 1.95km NE of Yorba Linda, CAThu, Sep 5, 11:15 AM PDT · 8796 days ago · 11 km deep · 97 km away
59. 2.213km WNW of Mojave, CAThu, Sep 5, 2:08 PM PDT · 8795 days ago · 7 km deep · 86 km away
60. 3.05km NE of Yorba Linda, CAThu, Sep 5, 6:27 PM PDT · 8795 days ago · 12 km deep · 97 km away · felt by 168

The first 60 of 104.

Before

1. 2.612km NNE of Simi Valley, CAThu, Aug 1, 11:22 PM PDT · 8830 days ago · 15 km deep · 0 km away
2. 2.413km NNE of Simi Valley, CAThu, Aug 1, 12:42 AM PDT · 8831 days ago · 12 km deep · 1 km away
3. 2.02km E of Anaheim, CaliforniaWed, Jul 31, 12:21 PM PDT · 8832 days ago · 6 km deep · 95 km away
4. 1.613km N of Glendora, CATue, Jul 30, 9:16 PM PDT · 8832 days ago · 8 km deep · 73 km away
5. 1.512km NNW of Grapevine, CaliforniaTue, Jul 30, 6:51 AM PDT · 8833 days ago · 4 km deep · 80 km away
6. 2.312km NNE of Simi Valley, CAMon, Jul 29, 4:47 PM PDT · 8833 days ago · 14 km deep · 0 km away
7. 2.018km WNW of Malibu, CASun, Jul 28, 3:29 PM PDT · 8834 days ago · 16 km deep · 46 km away
8. 1.75km WSW of Santa Clarita, CaliforniaSun, Jul 28, 12:00 AM PDT · 8835 days ago · 7 km deep · 12 km away
9. 1.71km NE of Granada Hills, CASat, Jul 27, 10:22 AM PDT · 8836 days ago · 13 km deep · 19 km away
10. 2.717km WNW of Malibu, CAFri, Jul 26, 5:08 PM PDT · 8836 days ago · 17 km deep · 45 km away
11. 1.62km NNW of Valinda, CAFri, Jul 26, 12:41 PM PDT · 8837 days ago · 12 km deep · 75 km away
12. 2.912km SW of Frazier Park, CAFri, Jul 26, 12:17 AM PDT · 8837 days ago · 6 km deep · 53 km away
13. 2.16km WNW of Palos Verdes Estates, CAWed, Jul 24, 7:29 AM PDT · 8839 days ago · 15 km deep · 64 km away
14. 1.613km NNW of Piru, CaliforniaSat, Jul 20, 1:37 AM PDT · 8843 days ago · 15 km deep · 24 km away
15. 1.86km NE of Lebec, CAFri, Jul 19, 7:58 AM PDT · 8844 days ago · 9 km deep · 58 km away
16. 1.715km WNW of Grapevine, CAWed, Jul 17, 11:15 AM PDT · 8846 days ago · 14 km deep · 80 km away
17. 1.511km NNW of Grapevine, CAWed, Jul 17, 3:46 AM PDT · 8846 days ago · 16 km deep · 80 km away
18. 1.77km NW of Camarillo, CaliforniaTue, Jul 16, 9:11 AM PDT · 8847 days ago · 15 km deep · 39 km away
19. 1.68km SW of Grapevine, CaliforniaMon, Jul 15, 5:25 PM PDT · 8847 days ago · 17 km deep · 67 km away
20. 1.69km N of Santa Paula, CaliforniaMon, Jul 15, 7:08 AM PDT · 8848 days ago · 6 km deep · 37 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9805517. Read Mon, Oct 5, 2026, 7:19 AM UTC.