M1.9 earthquake 41km SW of Lompoc, CA

Magnitude

1.9 (mh), micro

Local time

Tue, Oct 21, 1986, 9:58 AM PDT

UTC

1986-10-21 16:58:08 UTC

Depth

5.3 km (3.3 mi), shallow

Epicenter

34.417° N, 120.815° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

Operator assigned

Station coverage gap

339°, poorly surrounded by stations

Stations used

0

• Lompoc, CaliforniaPopulation 44,164. Forecast41 kmSW
• Santa Maria, CaliforniaPopulation 105,093. Forecast69 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast240 kmW

After

1. 3.38km NNW of Los Olivos, CAWed, Oct 29, 12:15 AM PST · 14574 days ago · 5 km deep · 70 km away
2. 2.89km NNW of Los Olivos, CAThu, Oct 30, 7:36 AM PST · 14572 days ago · 3 km deep · 70 km away
3. 1.814km WSW of Los Osos, CAThu, Oct 30, 9:58 AM PST · 14572 days ago · 5 km deep · 93 km away
4. 1.710 km W of Los Osos, CaliforniaThu, Oct 30, 9:58 AM PST · 14572 days ago · 5 km deep · 98 km away
5. 2.38km NNW of Los Olivos, CAMon, Nov 3, 1:02 AM PST · 14569 days ago · 7 km deep · 70 km away
6. 2.59km NNW of Los Olivos, CAThu, Nov 6, 1:19 AM PST · 14566 days ago · 3 km deep · 70 km away
7. 4.09km NNW of Los Olivos, CAThu, Nov 6, 1:19 AM PST · 14566 days ago · 4 km deep · 70 km away
8. 2.67km SSE of Goleta, CAThu, Nov 6, 11:12 PM PST · 14565 days ago · 13 km deep · 94 km away
9. 2.48km NNW of Los Olivos, CASat, Nov 8, 5:46 PM PST · 14563 days ago · 5 km deep · 70 km away
10. 2.39km NNW of Los Olivos, CASun, Nov 9, 11:31 AM PST · 14562 days ago · 5 km deep · 69 km away
11. 2.58km NNW of Los Olivos, CASun, Nov 9, 2:33 PM PST · 14562 days ago · 8 km deep · 70 km away
12. 2.28km NNW of Los Olivos, CAMon, Nov 10, 12:08 AM PST · 14562 days ago · 5 km deep · 71 km away
13. 2.828km WSW of Lompoc, CAMon, Nov 10, 5:04 PM PST · 14561 days ago · 5 km deep · 19 km away
14. 2.48km NNW of Los Olivos, CATue, Nov 11, 1:13 AM PST · 14561 days ago · 5 km deep · 70 km away
15. 2.38km NNW of Los Olivos, CATue, Nov 11, 6:01 PM PST · 14560 days ago · 5 km deep · 71 km away
16. 2.78km NNW of Los Olivos, CAWed, Nov 12, 5:51 AM PST · 14559 days ago · 4 km deep · 70 km away
17. 2.28km ESE of Los Alamos, CASat, Nov 15, 8:57 PM PST · 14556 days ago · 18 km deep · 67 km away
18. 3.245km W of San Miguel Is., CASat, Nov 22, 6:08 PM PST · 14549 days ago · 5 km deep · 36 km away
19. 2.849km WNW of San Miguel Is., CASat, Nov 22, 6:54 PM PST · 14549 days ago · 5 km deep · 17 km away
20. 2.643 km W of Vandenberg Air Force Base, CaliforniaSat, Nov 22, 9:57 PM PST · 14549 days ago · 4 km deep · 39 km away
21. 2.040km WSW of Lompoc, CAWed, Nov 26, 2:46 AM PST · 14545 days ago · 5 km deep · 14 km away
22. 2.58km NNW of Los Olivos, CAWed, Nov 26, 8:25 AM PST · 14545 days ago · 5 km deep · 70 km away
23. 2.58km NNW of Los Olivos, CAMon, Dec 1, 5:50 PM PST · 14540 days ago · 5 km deep · 70 km away
24. 2.710km NNW of Los Olivos, CAWed, Dec 3, 10:29 AM PST · 14538 days ago · 5 km deep · 72 km away
25. 2.213km SE of Santa Ynez, CAWed, Dec 10, 3:08 PM PST · 14531 days ago · -1 km deep · 77 km away
26. 2.211km N of Los Olivos, CAMon, Dec 15, 4:22 PM PST · 14526 days ago · 5 km deep · 74 km away

Before

1. 2.16km SW of Santa Barbara, CAWed, Oct 15, 2:41 AM PDT · 14587 days ago · 1 km deep · 98 km away
2. 2.838km WSW of Lompoc, CAMon, Oct 13, 4:50 AM PDT · 14589 days ago · 5 km deep · 6 km away
3. 2.24km SSE of Isla Vista, CAFri, Oct 10, 10:03 AM PDT · 14592 days ago · 0 km deep · 89 km away
4. 1.96 km W of Los Osos, CaliforniaThu, Oct 2, 10:53 PM PDT · 14600 days ago · 4 km deep · 99 km away
5. 2.370 km SW of Avila Beach, CaliforniaMon, Sep 22, 5:31 PM PDT · 14610 days ago · 1 km deep · 62 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci711418. Read Tue, Sep 22, 2026, 8:50 PM UTC.