California earthquakes

M2.6 earthquake 39km SW of Lompoc, CA

A magnitude 2.6 earthquake struck 39km SW of Lompoc, CA on Sat, Feb 28, 1987, 5:13 PM PST (01:13 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.

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The earthquake

Magnitude
2.6 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1987-03-01 01:13:08 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
34.435° N, 120.809° 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
263°, 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: 14 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.444km SW of Lompoc, CA · 14457 days ago · 6 km deep · 6 km away
  2. 2.014km NNE of Goleta, CA · 14453 days ago · -1 km deep · 95 km away
  3. 1.812km WNW of Guadalupe, CA · 14452 days ago · 6 km deep · 64 km away
  4. 2.634km WSW of Lompoc, CA · 14448 days ago · 5 km deep · 8 km away
  5. 2.214 km W of Guadalupe, California · 14444 days ago · 3 km deep · 59 km away
  6. 2.214 km W of Guadalupe, California · 14444 days ago · 2 km deep · 59 km away
  7. 2.819km WSW of Vandenberg Air Force Base, CA · 14433 days ago · 5 km deep · 30 km away
  8. 2.18km E of Los Alamos, CA · 14417 days ago · 5 km deep · 66 km away
  9. 2.314km NNE of Goleta, CA · 14416 days ago · 3 km deep · 95 km away
  10. 2.821km NW of Santa Cruz Is. (NW end), CA · 14412 days ago · 5 km deep · 72 km away
  11. 2.39km NNW of Los Olivos, CA · 14410 days ago · 5 km deep · 69 km away
  12. 2.730km WSW of Vandenberg Air Force Base, CA · 14405 days ago · 6 km deep · 24 km away
  13. 2.06km SE of Goleta, CA · 14402 days ago · 5 km deep · 94 km away
  14. 1.730km WSW of Lompoc, CA · 14402 days ago · 5 km deep · 14 km away

Before

  1. 2.416km E of Santa Rosa Is., CA · 14460 days ago · 5 km deep · 99 km away
  2. 2.439km WSW of Lompoc, CA · 14461 days ago · 6 km deep · 3 km away
  3. 2.539km WSW of Lompoc, CA · 14461 days ago · 6 km deep · 2 km away
  4. 2.534km WSW of Lompoc, CA · 14461 days ago · 5 km deep · 5 km away
  5. 2.747km SW of Lompoc, CA · 14461 days ago · 6 km deep · 8 km away
  6. 3.641km WSW of Lompoc, CA · 14461 days ago · 5 km deep · 3 km away
  7. 2.25km NNW of Los Olivos, CA · 14462 days ago · 5 km deep · 68 km away
  8. 1.717km WSW of Avila Beach, CA · 14465 days ago · 0 km deep · 80 km away
  9. 2.322km WSW of Vandenberg Air Force Base, CA · 14475 days ago · 5 km deep · 31 km away
  10. 3.14km NNE of Vandenberg Air Force Base, CA · 14475 days ago · 5 km deep · 48 km away
  11. 2.415km NNE of Goleta, CA · 14486 days ago · -1 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci718064. Read Fri, Oct 2, 2026, 7:22 AM UTC.