M1.9 earthquake 17 km NE of Mesa, California

Magnitude

1.9 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Jul 30, 1990, 11:19 AM PDT

UTC

1990-07-30 18:19:24 UTC

Depth

4.9 km (3.1 mi), shallow

Epicenter

37.544° N, 118.427° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.27

Depth from

From location

Station coverage gap

101°

Stations used

29

• Dixon Lane-Meadow Creek, CaliforniaPopulation 2,645. Forecast18 kmN
• Sanger, CaliforniaPopulation 24,950. Forecast137 kmNE
• Clovis, CaliforniaPopulation 104,180. Forecast138 kmNE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast389 kmN

After

1. 1.57 km E of Mammoth Lakes, CaliforniaTue, Jul 31, 6:02 AM PDT · 13214 days ago · -1 km deep · 42 km away
2. 2.0California-Nevada border regionTue, Jul 31, 3:49 PM PDT · 13214 days ago · 5 km deep · 39 km away
3. 1.83 km E of Mammoth Lakes, CaliforniaWed, Aug 1, 5:29 AM PDT · 13213 days ago · 5 km deep · 46 km away
4. 1.72 km E of Mammoth Lakes, CaliforniaWed, Aug 1, 5:45 AM PDT · 13213 days ago · 4 km deep · 46 km away
5. 2.02 km E of Mammoth Lakes, CaliforniaWed, Aug 1, 6:01 AM PDT · 13213 days ago · 5 km deep · 47 km away
6. 1.92 km S of Mammoth Lakes, CaliforniaWed, Aug 1, 6:05 AM PDT · 13213 days ago · 5 km deep · 49 km away
7. 2.42 km ESE of Mammoth Lakes, CaliforniaWed, Aug 1, 2:57 PM PDT · 13213 days ago · 5 km deep · 47 km away
8. 1.64 km E of Mammoth Lakes, CaliforniaWed, Aug 1, 4:21 PM PDT · 13213 days ago · 5 km deep · 45 km away
9. 1.82 km ESE of Mammoth Lakes, CaliforniaWed, Aug 1, 5:04 PM PDT · 13213 days ago · 5 km deep · 47 km away
10. 1.52 km E of Mammoth Lakes, CaliforniaWed, Aug 1, 5:04 PM PDT · 13213 days ago · 5 km deep · 47 km away
11. 2.414 km SW of Aspen Springs, CaliforniaWed, Aug 1, 8:41 PM PDT · 13213 days ago · 0 km deep · 37 km away
12. 2.713 km W of Aspen Springs, CaliforniaThu, Aug 2, 12:51 AM PDT · 13212 days ago · 7 km deep · 38 km away
13. 2.02 km ESE of Mammoth Lakes, CaliforniaThu, Aug 2, 9:12 AM PDT · 13212 days ago · 5 km deep · 47 km away
14. 2.915 km NNE of Mesa, CaliforniaFri, Aug 3, 12:34 AM PDT · 13211 days ago · 6 km deep · 3 km away
15. 1.55 km E of Mammoth Lakes, CaliforniaFri, Aug 3, 2:28 PM PDT · 13211 days ago · 5 km deep · 44 km away
16. 1.512 km S of Mammoth Lakes, CaliforniaSat, Aug 4, 9:09 AM PDT · 13210 days ago · -1 km deep · 49 km away
17. 2.02 km E of Mammoth Lakes, CaliforniaSun, Aug 5, 5:28 AM PDT · 13209 days ago · 5 km deep · 46 km away
18. 1.74 km ESE of Mammoth Lakes, CaliforniaSun, Aug 5, 6:25 AM PDT · 13209 days ago · 6 km deep · 45 km away
19. 1.712 km SE of Mammoth Lakes, CaliforniaSun, Aug 5, 8:19 AM PDT · 13209 days ago · 4 km deep · 40 km away
20. 2.13 km ESE of Mammoth Lakes, CaliforniaSun, Aug 5, 9:43 AM PDT · 13209 days ago · 5 km deep · 46 km away
21. 2.411 km SE of Mammoth Lakes, CaliforniaSun, Aug 5, 2:47 PM PDT · 13209 days ago · 4 km deep · 40 km away
22. 1.822 km ESE of Yosemite Valley, CaliforniaSun, Aug 5, 7:53 PM PDT · 13209 days ago · 20 km deep · 83 km away
23. 1.8Central CaliforniaMon, Aug 6, 11:26 AM PDT · 13208 days ago · -1 km deep · 54 km away
24. 1.83 km ESE of Mammoth Lakes, CaliforniaMon, Aug 6, 11:41 AM PDT · 13208 days ago · 4 km deep · 46 km away
25. 2.015 km NNE of Mesa, CaliforniaTue, Aug 7, 3:55 AM PDT · 13207 days ago · 5 km deep · 3 km away
26. 2.114 km WSW of Aspen Springs, CaliforniaWed, Aug 8, 12:58 AM PDT · 13206 days ago · 3 km deep · 39 km away
27. 1.74 km W of Mammoth Lakes, CaliforniaWed, Aug 8, 9:37 AM PDT · 13206 days ago · -1 km deep · 54 km away
28. 1.811 km WNW of Aspen Springs, CaliforniaThu, Aug 9, 10:10 AM PDT · 13205 days ago · 8 km deep · 37 km away
29. 1.84 km W of Mammoth Lakes, CaliforniaFri, Aug 10, 7:39 AM PDT · 13204 days ago · -1 km deep · 54 km away
30. 1.510 km ESE of Mammoth Lakes, CaliforniaFri, Aug 10, 1:39 PM PDT · 13204 days ago · 4 km deep · 39 km away
31. 1.94 km ESE of Mammoth Lakes, CaliforniaSat, Aug 11, 5:17 AM PDT · 13203 days ago · 2 km deep · 45 km away
32. 2.119 km NNW of Benton, CaliforniaSat, Aug 11, 6:42 AM PDT · 13203 days ago · 6 km deep · 50 km away
33. 1.911 km ESE of Mammoth Lakes, CaliforniaSun, Aug 12, 9:24 AM PDT · 13202 days ago · 1 km deep · 38 km away
34. 1.811 km W of Aspen Springs, CaliforniaSun, Aug 12, 6:22 PM PDT · 13202 days ago · 8 km deep · 36 km away
35. 1.911 km ESE of Mammoth Lakes, CaliforniaTue, Aug 14, 3:11 AM PDT · 13200 days ago · 0 km deep · 38 km away
36. 1.75 km E of Mammoth Lakes, CaliforniaTue, Aug 14, 4:46 PM PDT · 13200 days ago · 5 km deep · 44 km away
37. 1.711 km SE of Mammoth Lakes, CaliforniaWed, Aug 15, 8:52 PM PDT · 13199 days ago · 5 km deep · 39 km away
38. 1.812 km NNW of Benton, CaliforniaFri, Aug 17, 12:41 AM PDT · 13197 days ago · 1 km deep · 43 km away
39. 2.011 km W of Aspen Springs, CaliforniaFri, Aug 17, 2:40 AM PDT · 13197 days ago · 8 km deep · 36 km away
40. 1.615 km NNE of Mesa, CaliforniaSun, Aug 19, 12:07 AM PDT · 13195 days ago · 7 km deep · 4 km away
41. 2.79 km SW of Aspen Springs, CaliforniaSun, Aug 19, 7:42 PM PDT · 13195 days ago · 2 km deep · 33 km away
42. 1.52 km WSW of Mesa, CaliforniaSun, Aug 19, 9:15 PM PDT · 13195 days ago · 10 km deep · 19 km away
43. 2.99 km SW of Aspen Springs, CaliforniaMon, Aug 20, 7:10 AM PDT · 13194 days ago · 2 km deep · 33 km away
44. 1.53 km SW of Mammoth Lakes, CaliforniaMon, Aug 20, 7:12 AM PDT · 13194 days ago · 5 km deep · 52 km away
45. 3.62 km ESE of Round Valley, CaliforniaMon, Aug 20, 1:06 PM PDT · 13194 days ago · 10 km deep · 19 km away
46. 2.22 km WSW of Mesa, CaliforniaMon, Aug 20, 1:26 PM PDT · 13194 days ago · 10 km deep · 19 km away
47. 1.88 km ESE of Mammoth Lakes, CaliforniaMon, Aug 20, 4:04 PM PDT · 13194 days ago · 5 km deep · 41 km away
48. 1.613 km NNE of Dixon Lane-Meadow Creek, CaliforniaMon, Aug 20, 5:39 PM PDT · 13194 days ago · 5 km deep · 6 km away
49. 1.611 km ESE of Mammoth Lakes, CaliforniaTue, Aug 21, 7:54 PM PDT · 13193 days ago · 6 km deep · 38 km away
50. 2.717 km NE of Mesa, CaliforniaWed, Aug 22, 10:19 PM PDT · 13192 days ago · 5 km deep · 0 km away
51. 2.66 km WSW of Mammoth Lakes, CaliforniaFri, Aug 24, 3:16 AM PDT · 13190 days ago · -2 km deep · 55 km away
52. 2.26 km WSW of Mammoth Lakes, CaliforniaFri, Aug 24, 3:17 AM PDT · 13190 days ago · -1 km deep · 55 km away
53. 1.86 km WSW of Mammoth Lakes, CaliforniaFri, Aug 24, 3:19 AM PDT · 13190 days ago · -1 km deep · 55 km away
54. 1.66 km WSW of Mammoth Lakes, CaliforniaFri, Aug 24, 3:22 AM PDT · 13190 days ago · -1 km deep · 55 km away
55. 1.86 km WSW of Mammoth Lakes, CaliforniaFri, Aug 24, 3:56 AM PDT · 13190 days ago · -1 km deep · 55 km away
56. 1.66 km WSW of Mammoth Lakes, CaliforniaFri, Aug 24, 3:56 AM PDT · 13190 days ago · -1 km deep · 55 km away
57. 1.52 km WSW of Mammoth Lakes, CaliforniaFri, Aug 24, 5:20 PM PDT · 13190 days ago · 0 km deep · 51 km away
58. 2.310 km W of Aspen Springs, CaliforniaFri, Aug 24, 7:15 PM PDT · 13190 days ago · 4 km deep · 36 km away
59. 1.617 km NE of Mesa, CaliforniaFri, Aug 24, 11:40 PM PDT · 13189 days ago · 5 km deep · 0 km away
60. 1.54 km SSE of Mammoth Lakes, CaliforniaSat, Aug 25, 8:36 AM PDT · 13189 days ago · 11 km deep · 46 km away

The first 60 of 128.

Before

1. 1.65 km ESE of Mammoth Lakes, CaliforniaMon, Jul 30, 6:28 AM PDT · 13215 days ago · 6 km deep · 44 km away
2. 1.85 km ESE of Mammoth Lakes, CaliforniaMon, Jul 30, 6:27 AM PDT · 13215 days ago · 6 km deep · 44 km away
3. 1.55 km WSW of Mammoth Lakes, CaliforniaSat, Jul 28, 1:14 PM PDT · 13217 days ago · -2 km deep · 54 km away
4. 2.613 km W of Aspen Springs, CaliforniaSat, Jul 28, 2:03 AM PDT · 13217 days ago · 6 km deep · 39 km away
5. 1.812 km NNE of Big Pine, CaliforniaWed, Jul 25, 6:27 PM PDT · 13220 days ago · 4 km deep · 35 km away
6. 1.65 km E of Mammoth Lakes, CaliforniaWed, Jul 25, 5:08 PM PDT · 13220 days ago · -1 km deep · 44 km away
7. 1.712 km NNE of Big Pine, CaliforniaWed, Jul 25, 3:56 PM PDT · 13220 days ago · 3 km deep · 36 km away
8. 1.816 km E of Mono City, CaliforniaWed, Jul 25, 7:48 AM PDT · 13220 days ago · 4 km deep · 73 km away
9. 2.317 km NE of Mesa, CaliforniaWed, Jul 25, 5:01 AM PDT · 13220 days ago · 6 km deep · 0 km away
10. 2.027km ESE of Big Pine, CATue, Jul 24, 4:46 AM PDT · 13221 days ago · 4 km deep · 65 km away
11. 1.73 km SSE of Mammoth Lakes, CaliforniaTue, Jul 24, 2:58 AM PDT · 13221 days ago · 6 km deep · 47 km away
12. 1.616 km ENE of Swall Meadows, CaliforniaMon, Jul 23, 11:30 PM PDT · 13221 days ago · 8 km deep · 5 km away
13. 1.73 km WNW of Dixon Lane-Meadow Creek, CaliforniaFri, Jul 20, 11:53 AM PDT · 13225 days ago · 4 km deep · 16 km away
14. 1.74 km N of West Bishop, CaliforniaFri, Jul 20, 9:47 AM PDT · 13225 days ago · 3 km deep · 16 km away
15. 2.212 km WNW of Aspen Springs, CaliforniaFri, Jul 20, 7:32 AM PDT · 13225 days ago · 5 km deep · 37 km away
16. 1.63 km ENE of Mammoth Lakes, CaliforniaThu, Jul 19, 11:21 AM PDT · 13226 days ago · 2 km deep · 47 km away
17. 1.92 km E of Mammoth Lakes, CaliforniaThu, Jul 19, 1:52 AM PDT · 13226 days ago · 6 km deep · 47 km away
18. 1.72 km E of Mammoth Lakes, CaliforniaWed, Jul 18, 11:04 PM PDT · 13227 days ago · 5 km deep · 47 km away
19. 1.92 km E of Mammoth Lakes, CaliforniaWed, Jul 18, 11:04 PM PDT · 13227 days ago · 6 km deep · 47 km away
20. 1.94 km E of Mammoth Lakes, CaliforniaWed, Jul 18, 2:28 PM PDT · 13227 days ago · 6 km deep · 45 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc161826 (also filed as ci1060720). Read Sun, Oct 4, 2026, 5:39 PM UTC.