California earthquakes

M2.7 earthquake 56km WSW of Lompoc, CA

A magnitude 2.7 earthquake struck 56km WSW of Lompoc, CA on Thu, May 30, 1985, 1:31 AM PDT (08:31 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.5 22km W of Isla Vista, CA. This one was a foreshock.

Lompoc forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.7 (mc), micro
Local time
UTC
1985-05-30 08:31:16 UTC
Depth
11.3 km (7.1 mi), shallow
Epicenter
34.373° N, 120.977° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
Operator assigned
Station coverage gap
319°, poorly surrounded by stations
Stations used
0

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 2.621km W of Isla Vista, CA · 15095 days ago · 5 km deep · 81 km away
  2. 2.521km S of Solvang, CA · 15095 days ago · 5 km deep · 81 km away
  3. 2.322km S of Solvang, CA · 15095 days ago · 5 km deep · 80 km away
  4. 2.522km W of Isla Vista, CA · 15095 days ago · 1 km deep · 81 km away
  5. 2.422km W of Isla Vista, CA · 15095 days ago · 1 km deep · 80 km away
  6. 2.522km W of Isla Vista, CA · 15095 days ago · 1 km deep · 81 km away
  7. 2.422km W of Isla Vista, CA · 15094 days ago · 1 km deep · 81 km away
  8. 2.422km S of Solvang, CA · 15094 days ago · 1 km deep · 80 km away
  9. 3.122km W of Isla Vista, CA · 15094 days ago · 1 km deep · 81 km away
  10. 2.722km W of Isla Vista, CA · 15091 days ago · 5 km deep · 80 km away
  11. 3.522km W of Isla Vista, CA · 15089 days ago · 1 km deep · 80 km away
  12. 2.322km S of Solvang, CA · 15089 days ago · 2 km deep · 81 km away
  13. 2.422km W of Isla Vista, CA · 15088 days ago · -1 km deep · 81 km away
  14. 2.722km W of Isla Vista, CA · 15087 days ago · 1 km deep · 81 km away
  15. 2.43km SW of Orcutt, CA · 15087 days ago · 5 km deep · 70 km away
  16. 2.622km W of Isla Vista, CA · 15086 days ago · 5 km deep · 80 km away
  17. 2.721km W of Isla Vista, CA · 15085 days ago · 3 km deep · 81 km away
  18. 2.422km W of Isla Vista, CA · 15084 days ago · 5 km deep · 80 km away
  19. 2.522km W of Isla Vista, CA · 15084 days ago · 1 km deep · 80 km away
  20. 2.421km W of Isla Vista, CA · 15076 days ago · 5 km deep · 82 km away
  21. 2.249 km WSW of Guadalupe, California · 15063 days ago · 10 km deep · 51 km away

Before

  1. 3.842km SW of Lompoc, CA · 15117 days ago · 5 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci67363. Read Tue, Sep 29, 2026, 11:45 AM UTC.