California earthquakes

M2.5 earthquake 34km WSW of Lompoc, CA

A magnitude 2.5 earthquake struck 34km WSW of Lompoc, CA on Fri, Feb 27, 1987, 3:23 PM PST (23:23 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.8 19km WSW of Vandenberg Air Force Base, 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.

Open the live map with earthquakes

The earthquake

Magnitude
2.5 (mc), micro
Local time
UTC
1987-02-27 23:23:36 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
34.470° N, 120.770° 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
259°, 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: 18 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.539km WSW of Lompoc, CA · 14458 days ago · 6 km deep · 5 km away
  2. 2.439km WSW of Lompoc, CA · 14458 days ago · 6 km deep · 5 km away
  3. 2.416km E of Santa Rosa Is., CA · 14457 days ago · 5 km deep · 98 km away
  4. 2.639km SW of Lompoc, CA · 14457 days ago · 5 km deep · 5 km away
  5. 2.444km SW of Lompoc, CA · 14454 days ago · 6 km deep · 11 km away
  6. 2.014km NNE of Goleta, CA · 14450 days ago · -1 km deep · 91 km away
  7. 1.812km WNW of Guadalupe, CA · 14449 days ago · 6 km deep · 60 km away
  8. 2.634km WSW of Lompoc, CA · 14445 days ago · 5 km deep · 4 km away
  9. 2.214 km W of Guadalupe, California · 14441 days ago · 3 km deep · 55 km away
  10. 2.214 km W of Guadalupe, California · 14441 days ago · 2 km deep · 55 km away
  11. 2.819km WSW of Vandenberg Air Force Base, CA · 14430 days ago · 5 km deep · 26 km away
  12. 2.18km E of Los Alamos, CA · 14414 days ago · 5 km deep · 61 km away
  13. 2.314km NNE of Goleta, CA · 14413 days ago · 3 km deep · 91 km away
  14. 2.821km NW of Santa Cruz Is. (NW end), CA · 14409 days ago · 5 km deep · 70 km away
  15. 2.39km NNW of Los Olivos, CA · 14406 days ago · 5 km deep · 64 km away
  16. 2.730km WSW of Vandenberg Air Force Base, CA · 14402 days ago · 6 km deep · 20 km away
  17. 2.06km SE of Goleta, CA · 14399 days ago · 5 km deep · 91 km away
  18. 1.730km WSW of Lompoc, CA · 14398 days ago · 5 km deep · 9 km away

Before

  1. 2.747km SW of Lompoc, CA · 14458 days ago · 6 km deep · 14 km away
  2. 3.641km WSW of Lompoc, CA · 14458 days ago · 5 km deep · 7 km away
  3. 2.25km NNW of Los Olivos, CA · 14459 days ago · 5 km deep · 63 km away
  4. 1.717km WSW of Avila Beach, CA · 14461 days ago · 0 km deep · 76 km away
  5. 2.322km WSW of Vandenberg Air Force Base, CA · 14472 days ago · 5 km deep · 26 km away
  6. 3.14km NNE of Vandenberg Air Force Base, CA · 14472 days ago · 5 km deep · 42 km away
  7. 2.415km NNE of Goleta, CA · 14482 days ago · -1 km deep · 92 km away
  8. 2.022km WSW of Vandenberg Air Force Base, CA · 14488 days ago · 6 km deep · 25 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci718005. Read Tue, Sep 29, 2026, 3:56 AM UTC.