California earthquakes

M2.6 earthquake 34km WSW of Lompoc, CA

A magnitude 2.6 earthquake struck 34km WSW of Lompoc, CA on Fri, Mar 13, 1987, 3:22 AM PST (11:22 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
1987-03-13 11:22:51 UTC
Depth
5.4 km (3.3 mi), shallow
Epicenter
34.502° N, 120.792° 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
264°, 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: 12 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.214 km W of Guadalupe, California · 14445 days ago · 3 km deep · 52 km away
  2. 2.214 km W of Guadalupe, California · 14445 days ago · 2 km deep · 52 km away
  3. 2.819km WSW of Vandenberg Air Force Base, CA · 14434 days ago · 5 km deep · 23 km away
  4. 2.18km E of Los Alamos, CA · 14418 days ago · 5 km deep · 61 km away
  5. 2.314km NNE of Goleta, CA · 14417 days ago · 3 km deep · 93 km away
  6. 2.821km NW of Santa Cruz Is. (NW end), CA · 14413 days ago · 5 km deep · 74 km away
  7. 2.39km NNW of Los Olivos, CA · 14410 days ago · 5 km deep · 64 km away
  8. 2.730km WSW of Vandenberg Air Force Base, CA · 14406 days ago · 6 km deep · 17 km away
  9. 2.06km SE of Goleta, CA · 14403 days ago · 5 km deep · 93 km away
  10. 1.730km WSW of Lompoc, CA · 14402 days ago · 5 km deep · 6 km away
  11. 2.34km W of Isla Vista, CA · 14398 days ago · 7 km deep · 82 km away
  12. 2.513km N of Santa Barbara, CA · 14389 days ago · 4 km deep · 100 km away

Before

  1. 1.812km WNW of Guadalupe, CA · 14453 days ago · 6 km deep · 57 km away
  2. 2.014km NNE of Goleta, CA · 14454 days ago · -1 km deep · 93 km away
  3. 2.444km SW of Lompoc, CA · 14458 days ago · 6 km deep · 14 km away
  4. 2.639km SW of Lompoc, CA · 14461 days ago · 5 km deep · 8 km away
  5. 2.439km WSW of Lompoc, CA · 14462 days ago · 6 km deep · 6 km away
  6. 2.539km WSW of Lompoc, CA · 14462 days ago · 6 km deep · 6 km away
  7. 2.534km WSW of Lompoc, CA · 14462 days ago · 5 km deep · 4 km away
  8. 2.747km SW of Lompoc, CA · 14462 days ago · 6 km deep · 16 km away
  9. 3.641km WSW of Lompoc, CA · 14462 days ago · 5 km deep · 8 km away
  10. 2.25km NNW of Los Olivos, CA · 14463 days ago · 5 km deep · 64 km away
  11. 1.717km WSW of Avila Beach, CA · 14465 days ago · 0 km deep · 73 km away
  12. 2.322km WSW of Vandenberg Air Force Base, CA · 14476 days ago · 5 km deep · 23 km away
  13. 3.14km NNE of Vandenberg Air Force Base, CA · 14476 days ago · 5 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci718769. Read Sat, Oct 3, 2026, 2:19 AM UTC.