California earthquakes

M1.9 earthquake 9km ESE of Lompoc, CA

A magnitude 1.9 earthquake struck 9km ESE of Lompoc, CA on Wed, Jun 6, 1990, 12:55 AM PDT (07:55 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.5 6km SW of Santa Rosa Is., 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
1.9 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1990-06-06 07:55:07 UTC
Depth
5.2 km (3.2 mi), shallow
Epicenter
34.610° N, 120.365° 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
106°
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: 15 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.924km SW of Maricopa, CA · 13263 days ago · 1 km deep · 77 km away
  2. 2.720km SSW of Carpinteria, CA · 13263 days ago · 5 km deep · 79 km away
  3. 2.374 km W of Vandenberg Air Force Base, California · 13261 days ago · 3 km deep · 88 km away
  4. 2.238 km W of Casmalia, California · 13261 days ago · 2 km deep · 56 km away
  5. 2.030 km W of Casmalia, California · 13260 days ago · 3 km deep · 51 km away
  6. 2.427km SW of Lompoc, CA · 13246 days ago · 6 km deep · 33 km away
  7. 2.236 km WSW of Avila Beach, California · 13245 days ago · 0 km deep · 79 km away
  8. 2.577 km SW of Avila Beach, California · 13234 days ago · 13 km deep · 95 km away
  9. 2.667 km SW of Avila Beach, California · 13234 days ago · 2 km deep · 91 km away
  10. 3.48km SW of Santa Rosa Is., CA · 13232 days ago · 5 km deep · 82 km away
  11. 2.511km SSW of Santa Rosa Is., CA · 13232 days ago · 6 km deep · 85 km away
  12. 3.56km SW of Santa Rosa Is., CA · 13232 days ago · 5 km deep · 81 km away
  13. 2.612km SSW of Santa Rosa Is., CA · 13230 days ago · 5 km deep · 87 km away
  14. 1.532km SSW of Lompoc, CA · 13227 days ago · 6 km deep · 34 km away
  15. 1.919 km WSW of Guadalupe, California · 13225 days ago · 1 km deep · 50 km away

Before

  1. 2.368 km SW of Avila Beach, California · 13271 days ago · 0 km deep · 88 km away
  2. 1.79 km W of Morro Bay, California · 13273 days ago · 8 km deep · 98 km away
  3. 2.123km SSW of Pine Mountain Club, CA · 13280 days ago · 8 km deep · 100 km away
  4. 3.326km S of Lompoc, CA · 13280 days ago · 0 km deep · 23 km away
  5. 1.97 km NE of Edna, California · 13283 days ago · 6 km deep · 73 km away
  6. 2.880 km W of Vandenberg Air Force Base, California · 13286 days ago · 0 km deep · 95 km away
  7. 2.280 km W of Vandenberg Air Force Base, CA · 13288 days ago · 10 km deep · 93 km away
  8. 2.221km SW of Lompoc, CA · 13289 days ago · 5 km deep · 27 km away
  9. 3.06km WSW of Orcutt, CA · 13292 days ago · 6 km deep · 30 km away
  10. 1.79km ESE of Lompoc, CA · 13293 days ago · 7 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci1059535. Read Sun, Oct 4, 2026, 4:51 PM UTC.