California earthquakes

M3.4 earthquake 49km SW of Lompoc, CA

A magnitude 3.4 earthquake struck 49km SW of Lompoc, CA on Sat, Nov 1, 1969, 3:20 PM GMT-8 (23:20 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M5.4 77km 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
3.4 (ML, local (Richter)), minor
Magnitude from
Southern California Seismic Network
Local time
UTC
1969-11-01 23:20:55 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
34.320° N, 120.833° 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.

Location uncertainty
About 4.7 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
316°, poorly surrounded by stations
Stations used
6

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 27 in the 30 days before it.

After

  1. 4.4101km WSW of Vandenberg Air Force Base, CA · 20789 days ago · 6 km deep · 71 km away
  2. 5.477km WSW of Vandenberg Air Force Base, CA · 20787 days ago · 6 km deep · 56 km away
  3. 3.112km E of Nipomo, CA · 20787 days ago · 6 km deep · 93 km away
  4. 4.5103km WSW of Vandenberg Air Force Base, CA · 20787 days ago · 6 km deep · 69 km away
  5. 3.468km SW of Avila Beach, CA · 20787 days ago · 6 km deep · 72 km away
  6. 3.671km W of Vandenberg Air Force Base, CA · 20787 days ago · 6 km deep · 60 km away
  7. 3.586km SW of Avila Beach, CA · 20787 days ago · 6 km deep · 73 km away
  8. 3.280km WSW of Avila Beach, CA · 20787 days ago · 6 km deep · 79 km away
  9. 3.464km W of Vandenberg Air Force Base, CA · 20786 days ago · 6 km deep · 51 km away
  10. 3.477km W of Vandenberg Air Force Base, CA · 20786 days ago · 6 km deep · 63 km away
  11. 3.1112km WSW of Vandenberg Air Force Base, CA · 20785 days ago · 6 km deep · 71 km away
  12. 3.394km WSW of Avila Beach, CA · 20785 days ago · 6 km deep · 90 km away
  13. 3.889km W of Vandenberg Air Force Base, CA · 20785 days ago · 6 km deep · 72 km away
  14. 3.334km WSW of Avila Beach, CA · 20785 days ago · 6 km deep · 86 km away
  15. 3.576km SW of Avila Beach, CA · 20784 days ago · 6 km deep · 70 km away
  16. 3.685km W of Vandenberg Air Force Base, CA · 20784 days ago · 6 km deep · 69 km away
  17. 4.2125km W of San Miguel Is., CA · 20784 days ago · 6 km deep · 82 km away
  18. 3.795km WSW of Vandenberg Air Force Base, CA · 20783 days ago · 6 km deep · 70 km away
  19. 3.174km WSW of Vandenberg Air Force Base, CA · 20783 days ago · 6 km deep · 38 km away
  20. 4.192km W of Vandenberg Air Force Base, CA · 20782 days ago · 6 km deep · 70 km away
  21. 3.165km SW of Avila Beach, CA · 20781 days ago · 6 km deep · 65 km away
  22. 2.882km WSW of Lompoc, CA · 20781 days ago · 6 km deep · 42 km away
  23. 3.494km W of Vandenberg Air Force Base, CA · 20780 days ago · 6 km deep · 73 km away
  24. 3.279km SW of Avila Beach, CA · 20774 days ago · 6 km deep · 70 km away
  25. 3.22km ENE of Guadalupe, CA · 20774 days ago · 6 km deep · 78 km away
  26. 3.249km W of Vandenberg Air Force Base, CA · 20771 days ago · 6 km deep · 46 km away
  27. 3.076km W of Vandenberg Air Force Base, CA · 20769 days ago · 6 km deep · 64 km away
  28. 3.230km WSW of Guadalupe, CA · 20767 days ago · 6 km deep · 66 km away
  29. 4.083km SW of Avila Beach, CA · 20759 days ago · 6 km deep · 70 km away
  30. 3.687km WSW of Avila Beach, CA · 20748 days ago · 6 km deep · 81 km away
  31. 3.578km WSW of Avila Beach, CA · 20742 days ago · 6 km deep · 85 km away

Before

  1. 3.367km SW of Avila Beach, CA · 20791 days ago · 6 km deep · 73 km away
  2. 3.388km W of Vandenberg Air Force Base, CA · 20791 days ago · 6 km deep · 69 km away
  3. 3.374km WSW of Avila Beach, CA · 20791 days ago · 6 km deep · 83 km away
  4. 3.482km WSW of Vandenberg Air Force Base, CA · 20792 days ago · 6 km deep · 54 km away
  5. 3.790km WSW of Vandenberg Air Force Base, CA · 20793 days ago · 6 km deep · 65 km away
  6. 4.056km SW of Lompoc, CA · 20793 days ago · 6 km deep · 9 km away
  7. 3.990km W of Vandenberg Air Force Base, CA · 20796 days ago · 6 km deep · 70 km away
  8. 3.264km W of Vandenberg Air Force Base, CA · 20797 days ago · 6 km deep · 60 km away
  9. 3.169km SW of Avila Beach, CA · 20797 days ago · 6 km deep · 64 km away
  10. 3.082km SW of Avila Beach, CA · 20799 days ago · 6 km deep · 69 km away
  11. 3.578km WSW of Avila Beach, CA · 20799 days ago · 6 km deep · 81 km away
  12. 4.090km W of Vandenberg Air Force Base, CA · 20799 days ago · 6 km deep · 69 km away
  13. 3.451km SW of Avila Beach, CA · 20800 days ago · 6 km deep · 72 km away
  14. 3.8116km W of Vandenberg Air Force Base, CA · 20800 days ago · 6 km deep · 90 km away
  15. 3.690km WSW of Vandenberg Air Force Base, CA · 20801 days ago · 6 km deep · 60 km away
  16. 3.469km SW of Avila Beach, CA · 20801 days ago · 6 km deep · 71 km away
  17. 3.493km WSW of Vandenberg Air Force Base, CA · 20801 days ago · 6 km deep · 66 km away
  18. 3.598km SW of Los Osos, CA · 20801 days ago · 6 km deep · 96 km away
  19. 3.372km SW of Los Osos, CA · 20801 days ago · 6 km deep · 88 km away
  20. 3.279km WSW of Avila Beach, CA · 20801 days ago · 6 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3325878. Read Sun, Oct 4, 2026, 11:47 PM UTC.