M1.8 earthquake 20km S of Trona, CA

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Wed, Apr 22, 2020, 9:50 AM PDT

UTC

2020-04-22 16:50:51 UTC

Depth

8.8 km (5.5 mi), shallow

Epicenter

35.587° N, 117.411° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.5 km in depth

Magnitude uncertainty

±0.16

Depth from

From location

Station coverage gap

70°

Stations used

36

• Searles Valley, CaliforniaPopulation 1,739. Forecast20 kmS
• Ridgecrest, CaliforniaPopulation 28,780. Forecast24 kmE
• Victorville, CaliforniaPopulation 122,225. Forecast117 kmN
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast187 kmNNE

After

1. 2.223km N of Ridgecrest, CAWed, Apr 22, 11:27 AM PDT · 2355 days ago · 6 km deep · 35 km away
2. 1.820km ESE of Little Lake, CAWed, Apr 22, 7:16 PM PDT · 2355 days ago · 9 km deep · 41 km away
3. 1.513km SSE of Olancha, CAWed, Apr 22, 7:51 PM PDT · 2355 days ago · 3 km deep · 82 km away
4. 1.611km NE of Coso Junction, CAWed, Apr 22, 10:31 PM PDT · 2355 days ago · 4 km deep · 70 km away
5. 1.712km NE of Coso Junction, CAWed, Apr 22, 10:33 PM PDT · 2355 days ago · 4 km deep · 70 km away
6. 1.622km E of Little Lake, CAThu, Apr 23, 4:29 AM PDT · 2354 days ago · 4 km deep · 42 km away
7. 1.510km NNE of Coso Junction, CAThu, Apr 23, 6:19 AM PDT · 2354 days ago · 5 km deep · 73 km away
8. 1.622km N of Searles Valley, CAThu, Apr 23, 6:53 AM PDT · 2354 days ago · 2 km deep · 42 km away
9. 1.726km N of Searles Valley, CAThu, Apr 23, 8:27 AM PDT · 2354 days ago · 2 km deep · 46 km away
10. 2.024km ESE of Ridgecrest, CAFri, Apr 24, 5:47 AM PDT · 2353 days ago · 3 km deep · 5 km away
11. 1.616km SSW of Searles Valley, CAFri, Apr 24, 7:05 AM PDT · 2353 days ago · 4 km deep · 7 km away
12. 1.913km E of Little Lake, CAFri, Apr 24, 2:18 PM PDT · 2353 days ago · 3 km deep · 49 km away
13. 1.825km N of Trona, CAFri, Apr 24, 3:48 PM PDT · 2353 days ago · 3 km deep · 45 km away
14. 2.026km N of Searles Valley, CAFri, Apr 24, 11:53 PM PDT · 2353 days ago · 1 km deep · 46 km away
15. 1.626km N of Searles Valley, CASat, Apr 25, 12:23 AM PDT · 2353 days ago · 3 km deep · 46 km away
16. 1.814km W of Searles Valley, CASat, Apr 25, 2:06 AM PDT · 2352 days ago · 9 km deep · 22 km away
17. 2.112km NE of Coso Junction, CASat, Apr 25, 4:24 AM PDT · 2352 days ago · 3 km deep · 71 km away
18. 1.814km NE of Ridgecrest, CASat, Apr 25, 3:45 PM PDT · 2352 days ago · 4 km deep · 20 km away
19. 1.812km N of Coso Junction, CASat, Apr 25, 6:53 PM PDT · 2352 days ago · 3 km deep · 79 km away
20. 2.312km NE of Coso Junction, CASat, Apr 25, 7:27 PM PDT · 2352 days ago · 4 km deep · 73 km away
21. 2.112km NE of Coso Junction, CASat, Apr 25, 8:04 PM PDT · 2352 days ago · 4 km deep · 73 km away
22. 2.013km WSW of Searles Valley, CASat, Apr 25, 8:49 PM PDT · 2352 days ago · 9 km deep · 18 km away
23. 2.012km NE of Coso Junction, CASat, Apr 25, 9:49 PM PDT · 2352 days ago · 4 km deep · 73 km away
24. 1.712km NE of Coso Junction, CASun, Apr 26, 12:10 AM PDT · 2352 days ago · 4 km deep · 73 km away
25. 1.815km SSW of Searles Valley, CASun, Apr 26, 1:00 PM PDT · 2351 days ago · 7 km deep · 8 km away
26. 4.013km SW of Searles Valley, CASun, Apr 26, 8:46 PM PDT · 2351 days ago · 9 km deep · 12 km away · felt by 567
27. 1.623km N of Ridgecrest, CAMon, Apr 27, 3:13 AM PDT · 2350 days ago · 7 km deep · 35 km away
28. 2.516km W of Searles Valley, CAMon, Apr 27, 8:58 AM PDT · 2350 days ago · 8 km deep · 23 km away
29. 1.518km S of Trona, CAMon, Apr 27, 9:41 PM PDT · 2350 days ago · 5 km deep · 3 km away
30. 1.720km NNE of Ridgecrest, CAMon, Apr 27, 9:44 PM PDT · 2350 days ago · 7 km deep · 31 km away
31. 1.623km N of Ridgecrest, CATue, Apr 28, 4:35 AM PDT · 2349 days ago · 6 km deep · 35 km away
32. 2.117km W of Searles Valley, CATue, Apr 28, 7:51 AM PDT · 2349 days ago · 7 km deep · 26 km away
33. 2.523km ESE of Little Lake, CATue, Apr 28, 11:40 AM PDT · 2349 days ago · 7 km deep · 39 km away
34. 1.65km W of Searles Valley, CATue, Apr 28, 12:19 PM PDT · 2349 days ago · 6 km deep · 21 km away
35. 2.622 km N of Ridgecrest, CATue, Apr 28, 2:15 PM PDT · 2349 days ago · 2 km deep · 33 km away
36. 1.511km SW of Searles Valley, CATue, Apr 28, 5:16 PM PDT · 2349 days ago · 4 km deep · 16 km away
37. 2.016km WNW of Johannesburg, CAWed, Apr 29, 2:50 AM PDT · 2348 days ago · 8 km deep · 40 km away
38. 2.819km W of Searles Valley, CAWed, Apr 29, 6:11 AM PDT · 2348 days ago · 7 km deep · 29 km away · felt by 1
39. 1.616km SSW of Searles Valley, CAWed, Apr 29, 12:20 PM PDT · 2348 days ago · 2 km deep · 10 km away
40. 2.122km N of Ridgecrest, CAWed, Apr 29, 1:29 PM PDT · 2348 days ago · 2 km deep · 33 km away
41. 1.622km ESE of Little Lake, CAWed, Apr 29, 4:19 PM PDT · 2348 days ago · 7 km deep · 39 km away
42. 1.911km NE of Coso Junction, CAWed, Apr 29, 5:06 PM PDT · 2348 days ago · 3 km deep · 71 km away
43. 1.614km S of Searles Valley, CAWed, Apr 29, 5:25 PM PDT · 2348 days ago · 11 km deep · 6 km away
44. 1.622km N of Ridgecrest, CAWed, Apr 29, 7:07 PM PDT · 2348 days ago · 5 km deep · 35 km away
45. 1.617km NNW of Searles Valley, CAWed, Apr 29, 7:46 PM PDT · 2348 days ago · 1 km deep · 36 km away
46. 2.112km NE of Coso Junction, CAThu, Apr 30, 2:32 AM PDT · 2347 days ago · 3 km deep · 73 km away
47. 1.612km SW of Searles Valley, CAThu, Apr 30, 3:23 AM PDT · 2347 days ago · 7 km deep · 13 km away
48. 2.117km NNW of Searles Valley, CAThu, Apr 30, 4:51 AM PDT · 2347 days ago · 1 km deep · 37 km away
49. 2.413km SSW of Searles Valley, CAThu, Apr 30, 7:21 AM PDT · 2347 days ago · 7 km deep · 11 km away
50. 1.821km ESE of Little Lake, CAThu, Apr 30, 8:52 AM PDT · 2347 days ago · 9 km deep · 39 km away
51. 1.820km ESE of Little Lake, CAFri, May 1, 2:30 AM PDT · 2346 days ago · 9 km deep · 42 km away
52. 1.733km ENE of Coso Junction, CAFri, May 1, 6:58 AM PDT · 2346 days ago · 1 km deep · 60 km away
53. 2.013km NE of Coso Junction, CAFri, May 1, 9:21 AM PDT · 2346 days ago · 3 km deep · 72 km away
54. 2.013km NE of Coso Junction, CAFri, May 1, 9:32 AM PDT · 2346 days ago · 3 km deep · 72 km away
55. 1.533km ENE of Coso Junction, CAFri, May 1, 10:39 AM PDT · 2346 days ago · 3 km deep · 60 km away
56. 1.713km NE of Coso Junction, CAFri, May 1, 3:08 PM PDT · 2346 days ago · 3 km deep · 72 km away
57. 2.111km NNE of Coso Junction, CAFri, May 1, 3:26 PM PDT · 2346 days ago · 4 km deep · 77 km away
58. 1.933km ENE of Coso Junction, CAFri, May 1, 5:25 PM PDT · 2346 days ago · 2 km deep · 60 km away
59. 1.823km ENE of Barstow, CASat, May 2, 5:05 AM PDT · 2345 days ago · 4 km deep · 84 km away
60. 1.712km ENE of Ridgecrest, CASat, May 2, 9:11 AM PDT · 2345 days ago · 2 km deep · 14 km away

The first 60 of 196.

Before

1. 1.715km ENE of Ridgecrest, CAWed, Apr 22, 3:21 AM PDT · 2355 days ago · 8 km deep · 13 km away
2. 1.616km S of Searles Valley, CATue, Apr 21, 9:14 PM PDT · 2356 days ago · 10 km deep · 5 km away
3. 2.016km SSW of Searles Valley, CATue, Apr 21, 7:54 PM PDT · 2356 days ago · 9 km deep · 8 km away
4. 1.92km SW of Olancha, CATue, Apr 21, 5:05 PM PDT · 2356 days ago · 0 km deep · 93 km away
5. 1.819km ESE of Little Lake, CATue, Apr 21, 1:50 PM PDT · 2356 days ago · 5 km deep · 42 km away
6. 2.422km N of Searles Valley, CATue, Apr 21, 1:17 PM PDT · 2356 days ago · 2 km deep · 42 km away · felt by 1
7. 2.743km W of Shoshone, CATue, Apr 21, 11:20 AM PDT · 2356 days ago · 2 km deep · 73 km away
8. 2.043 km W of Shoshone, CATue, Apr 21, 11:02 AM PDT · 2356 days ago · 3 km deep · 73 km away
9. 2.122km N of Ridgecrest, CATue, Apr 21, 10:04 AM PDT · 2356 days ago · 1 km deep · 34 km away · felt by 1
10. 2.115km SW of Searles Valley, CATue, Apr 21, 3:09 AM PDT · 2356 days ago · 6 km deep · 15 km away
11. 1.527km N of Searles Valley, CATue, Apr 21, 2:29 AM PDT · 2356 days ago · 2 km deep · 47 km away
12. 2.018km W of Searles Valley, CATue, Apr 21, 1:00 AM PDT · 2356 days ago · 5 km deep · 28 km away
13. 2.717km S of Searles Valley, CAMon, Apr 20, 4:27 PM PDT · 2357 days ago · 10 km deep · 4 km away
14. 1.621km E of Little Lake, CAMon, Apr 20, 2:33 AM PDT · 2357 days ago · 9 km deep · 44 km away
15. 1.611km NNE of Coso Junction, CAMon, Apr 20, 1:08 AM PDT · 2357 days ago · 3 km deep · 77 km away
16. 2.023km N of Ridgecrest, CAMon, Apr 20, 12:49 AM PDT · 2357 days ago · 2 km deep · 34 km away
17. 1.522km ESE of Little Lake, CASun, Apr 19, 10:42 PM PDT · 2358 days ago · 4 km deep · 39 km away
18. 1.515km SSW of Searles Valley, CASun, Apr 19, 8:14 PM PDT · 2358 days ago · 6 km deep · 7 km away
19. 1.62km SSW of Olancha, CASun, Apr 19, 7:14 PM PDT · 2358 days ago · 0 km deep · 93 km away
20. 1.822km ESE of Little Lake, CASun, Apr 19, 6:23 PM PDT · 2358 days ago · 5 km deep · 39 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci39401072. Read Sat, Oct 3, 2026, 7:09 PM UTC.