M3.8 earthquake 42km SW of Lompoc, CA

Magnitude

3.8 (ml), minor

Local time

Fri, May 10, 1985, 8:48 AM PDT

UTC

1985-05-10 15:48:00 UTC

Depth

5.1 km (3.2 mi), shallow

Epicenter

34.421° N, 120.827° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

Operator assigned

Station coverage gap

263°, poorly surrounded by stations

Stations used

0

• Lompoc, CaliforniaPopulation 44,164. Forecast42 kmSW
• Santa Maria, CaliforniaPopulation 105,093. Forecast69 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast241 kmW

After

1. 2.756km WSW of Lompoc, CAThu, May 30, 1:31 AM PDT · 15097 days ago · 11 km deep · 15 km away
2. 2.621km W of Isla Vista, CAFri, May 31, 5:59 PM PDT · 15095 days ago · 5 km deep · 67 km away
3. 2.521km S of Solvang, CAFri, May 31, 7:02 PM PDT · 15095 days ago · 5 km deep · 67 km away
4. 2.322km S of Solvang, CAFri, May 31, 8:20 PM PDT · 15095 days ago · 5 km deep · 67 km away
5. 2.522km W of Isla Vista, CAFri, May 31, 10:44 PM PDT · 15095 days ago · 1 km deep · 67 km away
6. 2.422km W of Isla Vista, CASat, Jun 1, 10:55 AM PDT · 15094 days ago · 1 km deep · 67 km away
7. 2.522km W of Isla Vista, CASat, Jun 1, 2:07 PM PDT · 15094 days ago · 1 km deep · 67 km away
8. 2.422km W of Isla Vista, CASun, Jun 2, 1:29 AM PDT · 15094 days ago · 1 km deep · 67 km away
9. 2.422km S of Solvang, CASun, Jun 2, 1:29 AM PDT · 15094 days ago · 1 km deep · 66 km away
10. 3.122km W of Isla Vista, CASun, Jun 2, 8:01 AM PDT · 15093 days ago · 1 km deep · 67 km away
11. 2.722km W of Isla Vista, CAWed, Jun 5, 1:28 AM PDT · 15091 days ago · 5 km deep · 66 km away
12. 2.412km SE of Isla Vista, CAFri, Jun 7, 2:15 AM PDT · 15089 days ago · 15 km deep · 96 km away
13. 3.522km W of Isla Vista, CAFri, Jun 7, 11:06 AM PDT · 15088 days ago · 1 km deep · 66 km away
14. 2.322km S of Solvang, CAFri, Jun 7, 11:18 AM PDT · 15088 days ago · 2 km deep · 67 km away
15. 2.422km W of Isla Vista, CASat, Jun 8, 12:19 AM PDT · 15088 days ago · -1 km deep · 67 km away
16. 2.722km W of Isla Vista, CASat, Jun 8, 10:21 PM PDT · 15087 days ago · 1 km deep · 67 km away
17. 2.43km SW of Orcutt, CASun, Jun 9, 1:22 PM PDT · 15086 days ago · 5 km deep · 58 km away
18. 2.622km W of Isla Vista, CASun, Jun 9, 6:23 PM PDT · 15086 days ago · 5 km deep · 66 km away
19. 2.721km W of Isla Vista, CATue, Jun 11, 12:36 PM PDT · 15084 days ago · 3 km deep · 68 km away
20. 2.422km W of Isla Vista, CATue, Jun 11, 8:06 PM PDT · 15084 days ago · 5 km deep · 66 km away
21. 2.522km W of Isla Vista, CAWed, Jun 12, 4:46 AM PDT · 15083 days ago · 1 km deep · 67 km away
22. 2.410km SSW of Santa Barbara, CAWed, Jun 19, 2:03 AM PDT · 15077 days ago · 2 km deep · 100 km away
23. 2.421km W of Isla Vista, CAThu, Jun 20, 11:35 AM PDT · 15075 days ago · 5 km deep · 68 km away
24. 2.249 km WSW of Guadalupe, CaliforniaTue, Jul 2, 10:43 PM PDT · 15063 days ago · 10 km deep · 50 km away

Before

1. 2.99km NNW of Los Olivos, CAFri, Apr 26, 5:17 PM PST · 15130 days ago · 0 km deep · 70 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci66012 (also filed as usp0002en2). Read Mon, Sep 28, 2026, 9:25 PM UTC.