California earthquakes

M2.7 earthquake 47km SW of Lompoc, CA

A magnitude 2.7 earthquake struck 47km SW of Lompoc, CA on Fri, Feb 27, 1987, 3:20 PM PST (23:20 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.8 19km WSW of Vandenberg Air Force Base, CA. This one was a foreshock.

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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
Magnitude from
Southern California Seismic Network
Local time
UTC
1987-02-27 23:20:59 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
34.372° N, 120.858° 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
269°, 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: 17 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.534km WSW of Lompoc, CA · 14460 days ago · 5 km deep · 14 km away
  2. 2.539km WSW of Lompoc, CA · 14460 days ago · 6 km deep · 10 km away
  3. 2.439km WSW of Lompoc, CA · 14460 days ago · 6 km deep · 10 km away
  4. 2.416km E of Santa Rosa Is., CA · 14459 days ago · 5 km deep · 99 km away
  5. 2.639km SW of Lompoc, CA · 14459 days ago · 5 km deep · 8 km away
  6. 2.444km SW of Lompoc, CA · 14456 days ago · 6 km deep · 4 km away
  7. 1.812km WNW of Guadalupe, CA · 14451 days ago · 6 km deep · 72 km away
  8. 2.634km WSW of Lompoc, CA · 14447 days ago · 5 km deep · 16 km away
  9. 2.214 km W of Guadalupe, California · 14443 days ago · 3 km deep · 67 km away
  10. 2.214 km W of Guadalupe, California · 14443 days ago · 2 km deep · 67 km away
  11. 2.819km WSW of Vandenberg Air Force Base, CA · 14432 days ago · 5 km deep · 38 km away
  12. 2.18km E of Los Alamos, CA · 14416 days ago · 5 km deep · 74 km away
  13. 2.821km NW of Santa Cruz Is. (NW end), CA · 14411 days ago · 5 km deep · 75 km away
  14. 2.39km NNW of Los Olivos, CA · 14408 days ago · 5 km deep · 76 km away
  15. 2.730km WSW of Vandenberg Air Force Base, CA · 14404 days ago · 6 km deep · 31 km away
  16. 2.06km SE of Goleta, CA · 14401 days ago · 5 km deep · 99 km away
  17. 1.730km WSW of Lompoc, CA · 14401 days ago · 5 km deep · 22 km away

Before

  1. 3.641km WSW of Lompoc, CA · 14460 days ago · 5 km deep · 8 km away
  2. 2.25km NNW of Los Olivos, CA · 14461 days ago · 5 km deep · 76 km away
  3. 1.717km WSW of Avila Beach, CA · 14464 days ago · 0 km deep · 86 km away
  4. 2.322km WSW of Vandenberg Air Force Base, CA · 14474 days ago · 5 km deep · 38 km away
  5. 3.14km NNE of Vandenberg Air Force Base, CA · 14474 days ago · 5 km deep · 56 km away
  6. 2.022km WSW of Vandenberg Air Force Base, CA · 14490 days ago · 6 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci718004. Read Thu, Oct 1, 2026, 6:24 AM UTC.