M1.8 earthquake 39km WSW of Olancha, CA

Magnitude

1.8 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Sat, Dec 18, 2021, 12:37 PM PST

UTC

2021-12-18 20:37:57 UTC

Depth

4.4 km (2.7 mi), shallow

Epicenter

36.139° N, 118.407° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 1.6 km in depth

Magnitude uncertainty

±0.17

Depth from

From location

Station coverage gap

83°

Stations used

32

• Springville, CaliforniaPopulation 934. Forecast37 kmE
• Porterville, CaliforniaPopulation 56,058. Forecast55 kmE
• Visalia, CaliforniaPopulation 130,104. Forecast82 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast233 kmN

After

1. 3.111km NE of Coso Junction, CASat, Dec 18, 11:44 PM PST · 1751 days ago · 3 km deep · 50 km away · felt by 2
2. 1.711km NE of Coso Junction, CASun, Dec 19, 4:52 AM PST · 1751 days ago · 3 km deep · 50 km away
3. 1.68km NNE of Little Lake, CASun, Dec 19, 5:20 AM PST · 1751 days ago · 1 km deep · 51 km away
4. 1.94km NNE of Olancha, CASun, Dec 19, 9:32 AM PST · 1751 days ago · 0 km deep · 42 km away
5. 1.623km N of Tehachapi, CASun, Dec 19, 10:04 AM PST · 1751 days ago · 5 km deep · 90 km away
6. 1.822km NNW of Tehachapi, CASun, Dec 19, 5:10 PM PST · 1750 days ago · 8 km deep · 91 km away
7. 1.817km SE of Lone Pine, CATue, Dec 21, 6:12 AM PST · 1749 days ago · 9 km deep · 54 km away
8. 2.413km SE of Bodfish, CATue, Dec 21, 2:47 PM PST · 1748 days ago · 7 km deep · 69 km away
9. 2.010km ENE of Coso Junction, CAWed, Dec 22, 4:35 AM PST · 1748 days ago · 4 km deep · 49 km away
10. 2.59km ENE of Coso Junction, CAWed, Dec 22, 4:37 AM PST · 1748 days ago · 3 km deep · 49 km away · felt by 1
11. 1.89km NE of Coso Junction, CAWed, Dec 22, 4:37 AM PST · 1748 days ago · 5 km deep · 49 km away
12. 1.99km ENE of Coso Junction, CAWed, Dec 22, 6:13 PM PST · 1747 days ago · 3 km deep · 49 km away
13. 1.612km NE of Little Lake, CAWed, Dec 22, 11:02 PM PST · 1747 days ago · 1 km deep · 55 km away
14. 1.711km NE of Coso Junction, CAWed, Dec 22, 11:19 PM PST · 1747 days ago · 4 km deep · 50 km away
15. 1.614km SSW of Searles Valley, CAThu, Dec 23, 8:58 AM PST · 1747 days ago · 7 km deep · 99 km away
16. 2.311km SSW of Searles Valley, CAThu, Dec 23, 2:34 PM PST · 1746 days ago · 7 km deep · 99 km away
17. 1.69km ESE of Coso Junction, CAThu, Dec 23, 4:33 PM PST · 1746 days ago · 3 km deep · 52 km away
18. 1.512km NE of Coso Junction, CAThu, Dec 23, 5:14 PM PST · 1746 days ago · 5 km deep · 49 km away
19. 2.211km NE of Coso Junction, CAFri, Dec 24, 2:32 AM PST · 1746 days ago · 2 km deep · 50 km away
20. 1.615km SSW of Olancha, CAFri, Dec 24, 3:12 AM PST · 1746 days ago · 3 km deep · 30 km away
21. 2.211km ENE of Coso Junction, CAFri, Dec 24, 10:32 AM PST · 1746 days ago · 2 km deep · 51 km away
22. 1.511km ENE of Coso Junction, CAFri, Dec 24, 10:55 AM PST · 1746 days ago · 2 km deep · 51 km away
23. 1.99km ENE of Coso Junction, CAFri, Dec 24, 11:41 AM PST · 1745 days ago · 3 km deep · 49 km away
24. 2.411km NE of Coso Junction, CAFri, Dec 24, 8:08 PM PST · 1745 days ago · 2 km deep · 50 km away
25. 2.711km NE of Coso Junction, CAFri, Dec 24, 8:08 PM PST · 1745 days ago · 2 km deep · 50 km away
26. 1.615km W of Searles Valley, CASat, Dec 25, 2:26 AM PST · 1745 days ago · 10 km deep · 86 km away
27. 2.323km ESE of Little Lake, CASat, Dec 25, 10:20 PM PST · 1744 days ago · 7 km deep · 73 km away
28. 1.510km NE of Coso Junction, CASun, Dec 26, 3:39 AM PST · 1744 days ago · 4 km deep · 49 km away
29. 1.611km NE of Coso Junction, CASun, Dec 26, 8:07 AM PST · 1744 days ago · 4 km deep · 50 km away
30. 1.911km NE of Coso Junction, CASun, Dec 26, 12:15 PM PST · 1743 days ago · 4 km deep · 50 km away
31. 1.68km NE of Coso Junction, CASun, Dec 26, 8:32 PM PST · 1743 days ago · 2 km deep · 47 km away
32. 2.512km NE of Coso Junction, CAMon, Dec 27, 1:10 AM PST · 1743 days ago · 4 km deep · 50 km away · felt by 1
33. 1.515km ESE of Little Lake, CAMon, Dec 27, 3:55 PM PST · 1742 days ago · 7 km deep · 65 km away
34. 2.111km SSE of Bodfish, CATue, Dec 28, 1:24 AM PST · 1742 days ago · 3 km deep · 71 km away · felt by 1
35. 1.915km W of Searles Valley, CATue, Dec 28, 3:29 AM PST · 1742 days ago · 5 km deep · 87 km away
36. 1.512km SW of Searles Valley, CATue, Dec 28, 5:06 AM PST · 1742 days ago · 7 km deep · 97 km away
37. 1.911km NE of Coso Junction, CATue, Dec 28, 8:07 PM PST · 1741 days ago · 2 km deep · 51 km away
38. 1.911km NE of Coso Junction, CATue, Dec 28, 8:30 PM PST · 1741 days ago · 2 km deep · 50 km away
39. 1.99km NE of Coso Junction, CATue, Dec 28, 9:50 PM PST · 1741 days ago · 4 km deep · 48 km away
40. 1.817km W of Searles Valley, CAWed, Dec 29, 3:02 PM PST · 1740 days ago · 8 km deep · 84 km away
41. 1.613km SE of Bodfish, CAWed, Dec 29, 3:11 PM PST · 1740 days ago · 8 km deep · 71 km away
42. 1.513km ENE of Ridgecrest, CAThu, Dec 30, 1:52 AM PST · 1740 days ago · 2 km deep · 95 km away
43. 1.813km SSW of Searles Valley, CAThu, Dec 30, 10:37 AM PST · 1740 days ago · 9 km deep · 99 km away
44. 1.511km NE of Coso Junction, CAThu, Dec 30, 6:41 PM PST · 1739 days ago · 2 km deep · 50 km away
45. 2.120km W of Searles Valley, CAFri, Dec 31, 12:23 AM PST · 1739 days ago · 5 km deep · 80 km away
46. 1.821km ESE of Little Lake, CAFri, Dec 31, 9:23 PM PST · 1738 days ago · 5 km deep · 71 km away
47. 1.728km NW of California City, CAFri, Dec 31, 10:30 PM PST · 1738 days ago · 1 km deep · 94 km away
48. 1.712km SW of Searles Valley, CASat, Jan 1, 8:42 AM PST · 1738 days ago · 6 km deep · 98 km away
49. 1.810km NE of Coso Junction, CASun, Jan 2, 12:56 PM PST · 1736 days ago · 2 km deep · 49 km away
50. 1.811 km N of Independence, CaliforniaSun, Jan 2, 5:10 PM PST · 1736 days ago · 6 km deep · 87 km away
51. 1.936km N of Kernville, CASun, Jan 2, 11:04 PM PST · 1736 days ago · 3 km deep · 7 km away
52. 1.913km WSW of Searles Valley, CATue, Jan 4, 1:46 AM PST · 1735 days ago · 4 km deep · 90 km away
53. 1.87km ENE of Coso Junction, CATue, Jan 4, 8:38 AM PST · 1735 days ago · 3 km deep · 49 km away
54. 2.05km NE of Olancha, CATue, Jan 4, 5:24 PM PST · 1734 days ago · 1 km deep · 44 km away
55. 1.718km SE of Lone Pine, CATue, Jan 4, 6:32 PM PST · 1734 days ago · 11 km deep · 55 km away
56. 1.517km SSE of Lone Pine, CATue, Jan 4, 8:17 PM PST · 1734 days ago · 8 km deep · 53 km away
57. 2.212km SW of Searles Valley, CAWed, Jan 5, 7:57 PM PST · 1733 days ago · 3 km deep · 96 km away
58. 1.618km ESE of Little Lake, CAThu, Jan 6, 2:51 PM PST · 1732 days ago · 7 km deep · 68 km away
59. 2.114km ENE of Ridgecrest, CAFri, Jan 7, 7:06 AM PST · 1732 days ago · 8 km deep · 95 km away
60. 1.513km ENE of Ridgecrest, CASat, Jan 8, 12:16 AM PST · 1731 days ago · 9 km deep · 92 km away

The first 60 of 144.

Before

1. 1.615km SSW of Searles Valley, CASat, Dec 18, 4:50 AM PST · 1752 days ago · 8 km deep · 99 km away · felt by 2
2. 2.36km NE of Orange Cove, CASat, Dec 18, 1:18 AM PST · 1752 days ago · 22 km deep · 97 km away
3. 1.89km ENE of Coso Junction, CAFri, Dec 17, 10:50 PM PST · 1752 days ago · 3 km deep · 49 km away
4. 1.618km NNE of Ridgecrest, CAThu, Dec 16, 7:16 PM PST · 1753 days ago · 11 km deep · 82 km away
5. 1.824km ENE of Arvin, CAThu, Dec 16, 5:29 PM PST · 1753 days ago · 6 km deep · 93 km away · felt by 1
6. 1.613km N of Tehachapi, CAThu, Dec 16, 12:27 PM PST · 1753 days ago · 8 km deep · 100 km away
7. 2.57km W of Searles Valley, CAWed, Dec 15, 10:33 AM PST · 1755 days ago · 7 km deep · 93 km away · felt by 1
8. 2.312km S of Olancha, CAWed, Dec 15, 3:27 AM PST · 1755 days ago · 2 km deep · 36 km away
9. 1.514km ENE of Ridgecrest, CASun, Dec 12, 9:02 AM PST · 1758 days ago · 7 km deep · 93 km away
10. 1.712km S of Olancha, CASat, Dec 11, 7:42 PM PST · 1758 days ago · 3 km deep · 36 km away
11. 1.514km ENE of Ridgecrest, CAFri, Dec 10, 10:19 PM PST · 1759 days ago · 6 km deep · 96 km away
12. 1.915km SW of Searles Valley, CAFri, Dec 10, 4:40 PM PST · 1759 days ago · 11 km deep · 95 km away
13. 2.011km SW of Searles Valley, CAWed, Dec 8, 7:48 AM PST · 1762 days ago · 6 km deep · 94 km away
14. 2.020km ESE of Little Lake, CATue, Dec 7, 12:24 PM PST · 1762 days ago · 6 km deep · 70 km away
15. 1.923km ESE of Little Lake, CAMon, Dec 6, 6:29 PM PST · 1763 days ago · 9 km deep · 73 km away
16. 1.714km ENE of Ridgecrest, CAThu, Dec 2, 6:50 AM PST · 1768 days ago · 9 km deep · 93 km away
17. 1.719km E of Little Lake, CAWed, Dec 1, 4:32 PM PST · 1768 days ago · 8 km deep · 68 km away
18. 1.69km ENE of Coso Junction, CAWed, Dec 1, 11:45 AM PST · 1768 days ago · 4 km deep · 49 km away
19. 2.815km SW of Searles Valley, CATue, Nov 30, 5:39 PM PST · 1769 days ago · 9 km deep · 95 km away · felt by 6
20. 3.215km SW of Searles Valley, CATue, Nov 30, 5:23 PM PST · 1769 days ago · 9 km deep · 95 km away · felt by 20

From the USGS Earthquake Hazards Program and its partner networks, event ci40130664. Read Mon, Oct 5, 2026, 6:50 AM UTC.