California earthquakes

M3.0 earthquake 31 km WSW of Guadalupe, California

A magnitude 3.0 earthquake struck 31 km WSW of Guadalupe, California on Thu, Mar 14, 1985, 2:24 AM PST (10:24 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.8 42km SW of Lompoc, CA. This one was a foreshock.

Guadalupe 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
3.0 (md), micro
Local time
UTC
1985-03-14 10:24:27 UTC
Depth
-0.3 km (-0.2 mi), shallow
Epicenter
34.915° N, 120.907° 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 1.5 km horizontally, 4.1 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
200°, poorly surrounded by stations
Stations used
39

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 1.87 km NNE of San Simeon, California · 15161 days ago · 4 km deep · 90 km away
  2. 1.611 km WNW of Templeton, California · 15155 days ago · 6 km deep · 76 km away
  3. 2.37 km WNW of Santa Margarita, California · 15138 days ago · 4 km deep · 58 km away
  4. 2.17 km WNW of Santa Margarita, California · 15137 days ago · 4 km deep · 58 km away
  5. 1.73 km ENE of Cambria, California · 15131 days ago · 1 km deep · 74 km away
  6. 2.111 km NNW of Whitley Gardens, California · 15131 days ago · 12 km deep · 98 km away
  7. 2.99km NNW of Los Olivos, CA · 15123 days ago · 0 km deep · 71 km away
  8. 2.40 km SE of Cayucos, California · 15121 days ago · 4 km deep · 58 km away
  9. 3.842km SW of Lompoc, CA · 15110 days ago · 5 km deep · 55 km away

Before

  1. 2.37km WNW of Orcutt, CA · 15184 days ago · 5 km deep · 37 km away
  2. 2.222km NNE of Los Alamos, CA · 15187 days ago · 5 km deep · 65 km away
  3. 2.645 km W of Casmalia, California · 15196 days ago · 6 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc43849 (also filed as ci62483). Read Tue, Sep 22, 2026, 11:12 AM UTC.