M1.7 earthquake 18km SW of Olancha, CA

Magnitude

1.7 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Fri, Oct 9, 1987, 6:14 AM PDT

UTC

1987-10-09 13:14:16 UTC

Depth

7.6 km (4.7 mi), shallow

Epicenter

36.190° N, 118.167° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

212°, poorly surrounded by stations

Stations used

0

• Lone Pine, CaliforniaPopulation 2,035. Forecast47 kmS
• Ridgecrest, CaliforniaPopulation 28,780. Forecast77 kmNW
• Visalia, CaliforniaPopulation 130,104. Forecast102 kmE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast238 kmN

After

1. 1.618km WSW of Olancha, CASat, Oct 10, 7:07 PM PDT · 14237 days ago · 11 km deep · 2 km away
2. 1.718km WSW of Olancha, CASat, Oct 10, 9:20 PM PDT · 14237 days ago · 10 km deep · 1 km away
3. 1.517km WSW of Olancha, CASat, Oct 10, 11:48 PM PDT · 14237 days ago · 10 km deep · 2 km away
4. 1.727km SE of Three Rivers, CASun, Oct 11, 12:42 AM PDT · 14237 days ago · 5 km deep · 50 km away
5. 1.617km WSW of Johannesburg, CASun, Oct 11, 1:37 AM PDT · 14237 days ago · 2 km deep · 100 km away
6. 1.617km W of Johannesburg, CASun, Oct 11, 1:38 AM PDT · 14237 days ago · 5 km deep · 99 km away
7. 1.926km W of Inyokern, CASun, Oct 11, 9:53 AM PDT · 14236 days ago · 10 km deep · 56 km away
8. 1.816km S of Bodfish, CASun, Oct 11, 10:09 AM PDT · 14236 days ago · 4 km deep · 86 km away
9. 2.435km ENE of Little Lake, CASun, Oct 11, 2:30 PM PDT · 14236 days ago · 4 km deep · 56 km away
10. 1.717km WSW of Johannesburg, CASun, Oct 11, 10:30 PM PDT · 14236 days ago · 5 km deep · 99 km away
11. 1.516km WSW of Johannesburg, CAMon, Oct 12, 4:14 AM PDT · 14235 days ago · 5 km deep · 100 km away
12. 1.717km WSW of Olancha, CAMon, Oct 12, 1:11 PM PDT · 14235 days ago · 4 km deep · 2 km away
13. 1.517km WSW of Johannesburg, CAMon, Oct 12, 9:57 PM PDT · 14235 days ago · 5 km deep · 99 km away
14. 2.317km NNE of Inyokern, CATue, Oct 13, 6:58 AM PDT · 14234 days ago · 7 km deep · 62 km away
15. 2.117km NNE of Inyokern, CATue, Oct 13, 6:59 AM PDT · 14234 days ago · 6 km deep · 62 km away
16. 1.617km NNE of Inyokern, CATue, Oct 13, 7:06 AM PDT · 14234 days ago · 7 km deep · 62 km away
17. 2.526km SW of Lone Pine, CAWed, Oct 14, 7:12 AM PDT · 14233 days ago · 4 km deep · 31 km away
18. 1.717km WSW of Olancha, CAWed, Oct 14, 3:20 PM PDT · 14233 days ago · 9 km deep · 2 km away
19. 2.240km SW of Stovepipe Wells, CAThu, Oct 15, 6:08 AM PDT · 14232 days ago · 5 km deep · 66 km away
20. 2.942km SW of Stovepipe Wells, CAThu, Oct 15, 6:39 AM PDT · 14232 days ago · 5 km deep · 64 km away
21. 1.918km WSW of Olancha, CAFri, Oct 16, 8:36 PM PDT · 14231 days ago · 9 km deep · 1 km away
22. 2.114km ENE of Little Lake, CAFri, Oct 16, 9:37 PM PDT · 14231 days ago · 4 km deep · 44 km away
23. 1.818km SW of Olancha, CASat, Oct 17, 4:03 PM PDT · 14230 days ago · 1 km deep · 3 km away
24. 1.926km WSW of Lone Pine, CASun, Oct 18, 7:19 PM PDT · 14229 days ago · 4 km deep · 32 km away
25. 2.024km SE of Bodfish, CAMon, Oct 19, 10:59 AM PDT · 14228 days ago · 12 km deep · 87 km away
26. 1.98km ESE of Kernville, CAMon, Oct 19, 1:25 PM PDT · 14228 days ago · 4 km deep · 53 km away
27. 2.914km ESE of Lake Isabella, CATue, Oct 20, 6:43 AM PDT · 14227 days ago · 5 km deep · 70 km away
28. 1.813km S of Olancha, CAWed, Oct 21, 3:31 AM PDT · 14227 days ago · -2 km deep · 15 km away
29. 1.613km S of Olancha, CAWed, Oct 21, 8:46 PM PDT · 14226 days ago · -1 km deep · 16 km away
30. 2.218km W of Searles Valley, CAThu, Oct 22, 6:50 AM PDT · 14225 days ago · 3 km deep · 68 km away
31. 1.515km SE of Olancha, CASat, Oct 24, 7:48 PM PDT · 14223 days ago · -1 km deep · 25 km away
32. 2.018km W of Searles Valley, CASat, Oct 24, 9:41 PM PDT · 14223 days ago · 3 km deep · 68 km away
33. 1.720km NNE of Kernville, CASun, Oct 25, 9:27 AM PST · 14222 days ago · 5 km deep · 34 km away
34. 2.314km NW of Coso Junction, CASun, Oct 25, 7:52 PM PST · 14222 days ago · -1 km deep · 12 km away
35. 2.316km E of Little Lake, CAMon, Oct 26, 5:20 AM PST · 14221 days ago · 6 km deep · 49 km away
36. 2.65km SE of Kernville, CAMon, Oct 26, 5:59 AM PST · 14221 days ago · 13 km deep · 55 km away
37. 1.95km WNW of Lake Isabella, CATue, Oct 27, 4:17 PM PST · 14220 days ago · 0 km deep · 70 km away
38. 1.819km SE of Little Lake, CAWed, Oct 28, 2:08 PM PST · 14219 days ago · 4 km deep · 55 km away
39. 2.621km NNE of Trona, CAWed, Oct 28, 2:20 PM PST · 14219 days ago · 5 km deep · 86 km away
40. 2.034km WSW of Stovepipe Wells, CAWed, Oct 28, 10:10 PM PST · 14219 days ago · 5 km deep · 68 km away
41. 1.612km W of Wofford Heights, CAFri, Oct 30, 6:49 AM PST · 14217 days ago · 2 km deep · 66 km away
42. 2.322km ESE of Bodfish, CASat, Oct 31, 11:01 AM PST · 14216 days ago · 9 km deep · 79 km away
43. 1.822km ESE of Bodfish, CASat, Oct 31, 10:16 PM PST · 14216 days ago · 10 km deep · 79 km away
44. 2.013km E of Coso Junction, CASun, Nov 1, 5:21 AM PST · 14215 days ago · -1 km deep · 37 km away
45. 3.416km WSW of Johannesburg, CAMon, Nov 2, 11:21 AM PST · 14214 days ago · 6 km deep · 100 km away
46. 1.616km NE of Coso Junction, CAMon, Nov 2, 10:23 PM PST · 14214 days ago · 6 km deep · 32 km away
47. 1.83km SSE of Kernville, CAMon, Nov 2, 11:33 PM PST · 14214 days ago · 4 km deep · 56 km away
48. 1.916km WSW of Johannesburg, CATue, Nov 3, 1:04 AM PST · 14214 days ago · 7 km deep · 100 km away
49. 2.517km W of Johannesburg, CAWed, Nov 4, 3:11 AM PST · 14212 days ago · 6 km deep · 99 km away
50. 2.13km SSE of Kernville, CAWed, Nov 4, 3:13 AM PST · 14212 days ago · 4 km deep · 56 km away
51. 1.617km WSW of Johannesburg, CAThu, Nov 5, 8:45 AM PST · 14211 days ago · 7 km deep · 100 km away
52. 1.717km WSW of Johannesburg, CAThu, Nov 5, 9:51 AM PST · 14211 days ago · 7 km deep · 100 km away
53. 1.617km WSW of Johannesburg, CAThu, Nov 5, 11:16 AM PST · 14211 days ago · 7 km deep · 100 km away
54. 1.838km WSW of Stovepipe Wells, CAFri, Nov 6, 7:06 AM PST · 14210 days ago · 5 km deep · 66 km away
55. 1.618km SW of Olancha, CAFri, Nov 6, 7:37 AM PST · 14210 days ago · 5 km deep · 0 km away
56. 1.817km WSW of Johannesburg, CAFri, Nov 6, 4:09 PM PST · 14210 days ago · 6 km deep · 100 km away
57. 1.917km WSW of Johannesburg, CAFri, Nov 6, 4:15 PM PST · 14210 days ago · 6 km deep · 100 km away
58. 1.819km WSW of Olancha, CAFri, Nov 6, 7:22 PM PST · 14210 days ago · 5 km deep · 2 km away
59. 1.930km W of Olancha, CAFri, Nov 6, 9:37 PM PST · 14210 days ago · 3 km deep · 18 km away
60. 2.537km WSW of Stovepipe Wells, CAFri, Nov 6, 9:46 PM PST · 14210 days ago · 5 km deep · 66 km away

The first 60 of 103.

Before

1. 1.830km W of Olancha, CAThu, Oct 8, 6:51 AM PDT · 14239 days ago · 4 km deep · 19 km away
2. 1.728km W of Olancha, CAWed, Oct 7, 12:05 AM PDT · 14241 days ago · 7 km deep · 15 km away
3. 1.718km WSW of Olancha, CATue, Oct 6, 7:00 PM PDT · 14241 days ago · 9 km deep · 1 km away
4. 1.816km WSW of Olancha, CAMon, Oct 5, 11:12 AM PDT · 14242 days ago · 4 km deep · 2 km away
5. 2.48km ESE of Kernville, CAMon, Oct 5, 8:19 AM PDT · 14242 days ago · 4 km deep · 53 km away
6. 1.78km ESE of Kernville, CAMon, Oct 5, 7:56 AM PDT · 14242 days ago · 4 km deep · 53 km away
7. 1.830km W of Olancha, CAMon, Oct 5, 7:20 AM PDT · 14242 days ago · 4 km deep · 18 km away
8. 2.14km SSE of Kernville, CAMon, Oct 5, 5:39 AM PDT · 14242 days ago · 11 km deep · 57 km away
9. 1.915km N of Ridgecrest, CAMon, Oct 5, 12:14 AM PDT · 14243 days ago · 4 km deep · 64 km away
10. 1.818km SW of Olancha, CASun, Oct 4, 4:33 PM PDT · 14243 days ago · 4 km deep · 1 km away
11. 2.017km WSW of Olancha, CASun, Oct 4, 4:45 AM PDT · 14243 days ago · 10 km deep · 4 km away
12. 1.517km WSW of Olancha, CASat, Oct 3, 5:35 PM PDT · 14244 days ago · 4 km deep · 1 km away
13. 2.218km WSW of Olancha, CASat, Oct 3, 9:47 AM PDT · 14244 days ago · 12 km deep · 2 km away
14. 1.817km WSW of Olancha, CASat, Oct 3, 3:43 AM PDT · 14245 days ago · 4 km deep · 1 km away
15. 1.927km WSW of Olancha, CAFri, Oct 2, 6:26 PM PDT · 14245 days ago · 4 km deep · 12 km away
16. 1.618km SW of Olancha, CAFri, Oct 2, 5:23 PM PDT · 14245 days ago · 4 km deep · 0 km away
17. 1.840km SW of Stovepipe Wells, CAFri, Oct 2, 1:30 PM PDT · 14245 days ago · 5 km deep · 64 km away
18. 1.818km WSW of Olancha, CAThu, Oct 1, 10:30 PM PDT · 14246 days ago · 8 km deep · 1 km away
19. 1.636km N of Kernville, CAThu, Oct 1, 5:23 PM PDT · 14246 days ago · 10 km deep · 26 km away
20. 2.410km SE of Kernville, CAThu, Oct 1, 5:21 AM PDT · 14246 days ago · 4 km deep · 56 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci732467. Read Fri, Oct 2, 2026, 10:25 PM UTC.