M2.4 earthquake 18 km NW of Bridgeport, California

Magnitude

2.4 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Sat, Mar 30, 1985, 8:19 AM PST

UTC

1985-03-30 16:19:12 UTC

Depth

4.9 km (3.1 mi), shallow

Epicenter

38.349° N, 119.408° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.14

Depth from

From location

Station coverage gap

114°

Stations used

14

• Bridgeport, CaliforniaPopulation 575. Forecast19 kmNW
• Gardnerville Ranchos, NevadaPopulation 11,312. Forecast67 kmSSE
• Reno, NevadaPopulation 264,165. Forecast136 kmSSE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast489 kmNNW

After

1. 1.818 km WNW of Bridgeport, CaliforniaSat, Mar 30, 8:19 AM PST · 15161 days ago · 5 km deep · 0 km away
2. 2.018 km WNW of Bridgeport, CaliforniaSat, Mar 30, 8:40 AM PST · 15161 days ago · 5 km deep · 0 km away
3. 2.331 km ENE of Lee Vining, CaliforniaSat, Mar 30, 9:08 AM PST · 15161 days ago · 3 km deep · 64 km away
4. 1.917 km ESE of Yosemite Valley, CaliforniaSat, Mar 30, 3:36 PM PST · 15161 days ago · 21 km deep · 74 km away
5. 1.730 km NW of Benton, CaliforniaSat, Mar 30, 8:32 PM PST · 15161 days ago · 3 km deep · 70 km away
6. 1.513 km WNW of Benton, CaliforniaSat, Mar 30, 9:18 PM PST · 15161 days ago · 3 km deep · 87 km away
7. 2.020 km ESE of Yosemite Valley, CaliforniaMon, Apr 1, 2:38 PM PST · 15159 days ago · 20 km deep · 73 km away
8. 1.712 km SE of Mammoth Lakes, CaliforniaWed, Apr 3, 10:27 AM PST · 15157 days ago · 6 km deep · 98 km away
9. 1.60 km SE of Mesa Vista, CaliforniaThu, Apr 4, 6:03 AM PST · 15156 days ago · -1 km deep · 60 km away
10. 1.819 km NW of Benton, CaliforniaFri, Apr 5, 4:27 PM PST · 15155 days ago · 0 km deep · 81 km away
11. 1.812 km SE of Mammoth Lakes, CaliforniaTue, Apr 9, 4:57 AM PST · 15151 days ago · 6 km deep · 98 km away
12. 1.73 km ESE of Mammoth Lakes, CaliforniaTue, Apr 9, 6:39 PM PST · 15151 days ago · 6 km deep · 90 km away
13. 2.031 km NW of Benton, CaliforniaThu, Apr 11, 10:14 PM PST · 15149 days ago · 1 km deep · 70 km away
14. 1.931 km NW of Benton, CaliforniaThu, Apr 11, 10:17 PM PST · 15149 days ago · 0 km deep · 70 km away
15. 1.926 km ENE of Mono City, CaliforniaFri, Apr 12, 3:04 AM PST · 15148 days ago · 6 km deep · 57 km away
16. 1.830 km NW of Benton, CaliforniaSat, Apr 13, 2:30 AM PST · 15147 days ago · 2 km deep · 70 km away
17. 1.710 km ESE of Mammoth Lakes, CaliforniaMon, Apr 15, 2:45 AM PST · 15145 days ago · 2 km deep · 94 km away
18. 1.932 km ENE of Lee Vining, CaliforniaMon, Apr 15, 9:27 PM PST · 15145 days ago · 8 km deep · 64 km away
19. 1.611 km ESE of Mammoth Lakes, CaliforniaWed, Apr 17, 12:32 AM PST · 15144 days ago · 6 km deep · 94 km away
20. 1.511 km E of Mammoth Lakes, CaliforniaWed, Apr 17, 3:32 AM PST · 15143 days ago · 5 km deep · 93 km away
21. 2.68 km WNW of Bridgeport, CaliforniaFri, Apr 19, 2:35 PM PST · 15141 days ago · 2 km deep · 10 km away
22. 2.911 km E of Mammoth Lakes, CaliforniaMon, Apr 22, 6:16 AM PST · 15138 days ago · 5 km deep · 92 km away
23. 2.37 km NW of Aspen Springs, CaliforniaTue, Apr 23, 1:32 PM PST · 15137 days ago · -2 km deep · 100 km away
24. 2.011 km E of Mammoth Lakes, CaliforniaTue, Apr 23, 8:52 PM PST · 15137 days ago · 5 km deep · 92 km away
25. 2.228 km NW of Benton, CaliforniaSat, Apr 27, 3:18 PM PST · 15133 days ago · 5 km deep · 73 km away
26. 1.74 km WNW of Benton, CaliforniaMon, Apr 29, 2:22 AM PDT · 15132 days ago · 4 km deep · 96 km away
27. 1.58 km WNW of Bridgeport, CaliforniaMon, Apr 29, 2:13 PM PDT · 15131 days ago · 3 km deep · 10 km away
28. 1.610 km W of Aspen Springs, CaliforniaWed, May 1, 3:05 AM PDT · 15129 days ago · 6 km deep · 100 km away
29. 2.57 km WSW of Coleville, CaliforniaWed, May 1, 9:02 AM PDT · 15129 days ago · 2 km deep · 27 km away
30. 2.47 km WSW of Coleville, CaliforniaWed, May 1, 9:04 AM PDT · 15129 days ago · 2 km deep · 27 km away
31. 1.97 km WSW of Coleville, CaliforniaWed, May 1, 9:22 AM PDT · 15129 days ago · 3 km deep · 27 km away
32. 2.47 km WSW of Coleville, CaliforniaWed, May 1, 4:26 PM PDT · 15129 days ago · 3 km deep · 26 km away
33. 1.63 km ESE of Mammoth Lakes, CaliforniaThu, May 2, 1:53 AM PDT · 15129 days ago · 2 km deep · 89 km away
34. 1.85 km SSE of Yosemite Valley, CaliforniaThu, May 2, 6:48 PM PDT · 15128 days ago · 3 km deep · 74 km away
35. 1.911 km NW of Aspen Springs, CaliforniaFri, May 3, 3:40 AM PDT · 15127 days ago · 6 km deep · 96 km away
36. 2.15 km S of Markleeville, CaliforniaFri, May 3, 3:44 PM PDT · 15127 days ago · 0 km deep · 46 km away
37. 1.74 km S of Markleeville, CaliforniaFri, May 3, 6:17 PM PDT · 15127 days ago · 1 km deep · 47 km away
38. 1.729 km ENE of Mono City, CaliforniaSun, May 5, 1:26 AM PDT · 15126 days ago · 3 km deep · 55 km away
39. 2.020 km ESE of Yosemite Valley, CaliforniaTue, May 7, 7:18 AM PDT · 15123 days ago · 4 km deep · 79 km away
40. 1.611 km SE of Mammoth Lakes, CaliforniaThu, May 9, 2:42 PM PDT · 15121 days ago · 6 km deep · 97 km away
41. 1.819 km WNW of Bridgeport, CaliforniaFri, May 10, 2:56 AM PDT · 15120 days ago · 9 km deep · 5 km away
42. 2.325 km E of Mono City, CaliforniaFri, May 10, 1:06 PM PDT · 15120 days ago · 7 km deep · 57 km away
43. 2.331 km NW of Benton, CaliforniaSun, May 12, 4:55 AM PDT · 15118 days ago · 1 km deep · 70 km away
44. 1.925 km E of Mono City, CaliforniaTue, May 14, 4:37 PM PDT · 15116 days ago · 7 km deep · 56 km away
45. 1.613 km ENE of Mono City, CaliforniaWed, May 15, 5:23 AM PDT · 15115 days ago · 5 km deep · 48 km away
46. 2.031 km ENE of Mono City, CaliforniaWed, May 15, 5:06 PM PDT · 15115 days ago · 5 km deep · 54 km away
47. 1.62 km W of Markleeville, CaliforniaThu, May 16, 5:17 AM PDT · 15114 days ago · -1 km deep · 52 km away
48. 1.928 km NW of Benton, CaliforniaThu, May 16, 8:24 PM PDT · 15114 days ago · 2 km deep · 73 km away
49. 1.611 km ESE of Mammoth Lakes, CaliforniaFri, May 17, 9:41 AM PDT · 15113 days ago · 8 km deep · 95 km away
50. 1.78 km WNW of Bridgeport, CaliforniaSat, May 18, 4:25 AM PDT · 15112 days ago · 9 km deep · 10 km away
51. 2.332 km NW of Benton, CaliforniaSat, May 18, 4:26 AM PDT · 15112 days ago · 2 km deep · 68 km away
52. 1.83 km WSW of Markleeville, CaliforniaSat, May 18, 9:05 PM PDT · 15112 days ago · -1 km deep · 52 km away
53. 1.831 km ENE of Mono City, CaliforniaSun, May 19, 1:53 AM PDT · 15112 days ago · 9 km deep · 56 km away
54. 1.915 km ESE of Yosemite Valley, CaliforniaSun, May 19, 7:22 PM PDT · 15111 days ago · 5 km deep · 75 km away
55. 1.712 km WNW of Aspen Springs, CaliforniaMon, May 20, 7:28 AM PDT · 15110 days ago · 6 km deep · 99 km away
56. 1.69 km ESE of Mammoth Lakes, CAMon, May 20, 3:23 PM PDT · 15110 days ago · 5 km deep · 93 km away
57. 1.512 km WNW of Aspen Springs, CaliforniaMon, May 20, 9:36 PM PDT · 15110 days ago · 6 km deep · 98 km away
58. 1.912 km WNW of Aspen Springs, CaliforniaMon, May 20, 9:50 PM PDT · 15110 days ago · 6 km deep · 98 km away
59. 1.62 km E of Mammoth Lakes, CaliforniaMon, May 20, 10:21 PM PDT · 15110 days ago · 3 km deep · 88 km away
60. 2.111 km W of Bridgeport, CaliforniaTue, May 21, 1:57 PM PDT · 15109 days ago · 3 km deep · 11 km away

The first 60 of 63.

Before

1. 1.630 km ENE of Lee Vining, CaliforniaFri, Mar 29, 9:31 AM PST · 15162 days ago · 3 km deep · 63 km away
2. 1.718 km NW of Bridgeport, CaliforniaFri, Mar 29, 2:52 AM PST · 15162 days ago · 3 km deep · 0 km away
3. 2.2California-Nevada border regionFri, Mar 29, 2:16 AM PST · 15162 days ago · 5 km deep · 0 km away
4. 1.830 km ENE of Lee Vining, CaliforniaThu, Mar 28, 7:15 AM PST · 15163 days ago · 2 km deep · 63 km away
5. 2.111 km WNW of Aspen Springs, CaliforniaTue, Mar 26, 6:22 PM PST · 15165 days ago · 9 km deep · 98 km away
6. 1.710 km ESE of Greeley Hill, CaliforniaSat, Mar 23, 5:32 AM PST · 15168 days ago · 21 km deep · 90 km away
7. 1.622 km SE of Yosemite Valley, CaliforniaFri, Mar 22, 9:55 PM PST · 15169 days ago · 5 km deep · 82 km away
8. 1.530 km ENE of Mono City, CaliforniaFri, Mar 22, 12:25 PM PST · 15169 days ago · 6 km deep · 55 km away
9. 2.01 km W of Mesa Vista, CaliforniaWed, Mar 20, 1:08 PM PST · 15171 days ago · 2 km deep · 62 km away
10. 1.98 km WSW of Bridgeport, CaliforniaTue, Mar 19, 7:03 PM PST · 15172 days ago · 10 km deep · 16 km away
11. 1.610 km NW of Aspen Springs, CaliforniaTue, Mar 19, 11:56 AM PST · 15172 days ago · 8 km deep · 97 km away
12. 1.910 km WNW of Aspen Springs, CaliforniaMon, Mar 18, 7:56 PM PST · 15173 days ago · 6 km deep · 100 km away
13. 1.730 km ENE of Mono City, CaliforniaMon, Mar 18, 3:14 PM PST · 15173 days ago · 7 km deep · 55 km away
14. 1.710 km W of Aspen Springs, CaliforniaMon, Mar 18, 11:03 AM PST · 15173 days ago · 6 km deep · 100 km away
15. 2.010 km WNW of Aspen Springs, CaliforniaMon, Mar 18, 10:48 AM PST · 15173 days ago · 6 km deep · 100 km away
16. 2.010 km WNW of Aspen Springs, CaliforniaMon, Mar 18, 10:34 AM PST · 15173 days ago · 6 km deep · 100 km away
17. 3.910 km WNW of Aspen Springs, CaliforniaMon, Mar 18, 10:32 AM PST · 15173 days ago · 6 km deep · 100 km away
18. 2.12 km ESE of Mammoth Lakes, CaliforniaSun, Mar 17, 4:29 PM PST · 15174 days ago · 6 km deep · 89 km away
19. 2.011 km E of Mammoth Lakes, CaliforniaSat, Mar 16, 8:09 AM PST · 15175 days ago · 5 km deep · 92 km away
20. 2.34 km SE of Mammoth Lakes, CaliforniaFri, Mar 15, 9:09 PM PST · 15176 days ago · 3 km deep · 91 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc44985. Read Fri, Oct 2, 2026, 9:22 PM UTC.