California earthquakes

M3.4 earthquake 14km N of Pine Valley, CA

A magnitude 3.4 earthquake struck 14km N of Pine Valley, CA on Sun, Oct 21, 1934, 6:24 PM GMT-8 (02:24 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.4 4km W of Ocotillo Wells, CA. This one was a foreshock.

Pine Valley 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
1934-10-22 02:24:53 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
32.945° N, 116.507° 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 2.5 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.22
Depth from
Operator assigned
Station coverage gap
297°, poorly surrounded by stations
Stations used
2

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.76km S of Ocotillo Wells, CA · 33585 days ago · 6 km deep · 38 km away
  2. 2.48km ESE of Anza, CA · 33580 days ago · 6 km deep · 64 km away
  3. 3.413km NNW of Warner Springs, CA · 33579 days ago · 6 km deep · 52 km away
  4. 3.28km N of Aguanga, CA · 33578 days ago · 6 km deep · 73 km away
  5. 3.311km WNW of Niland, CA · 33575 days ago · 6 km deep · 91 km away
  6. 3.35km NNW of Niland, CA · 33575 days ago · 6 km deep · 97 km away
  7. 3.48km W of Camp Pendleton South, CA · 33562 days ago · 6 km deep · 95 km away
  8. 3.44km W of Ocotillo Wells, CA · 33561 days ago · 6 km deep · 38 km away
  9. 3.011km SW of Borrego Springs, CA · 33555 days ago · 6 km deep · 28 km away
  10. 2.819km SE of Anza, CA · 33540 days ago · 6 km deep · 56 km away
  11. 2.79km W of Calexico, CA · 33530 days ago · 6 km deep · 91 km away

Before

  1. 2.811km N of Pine Valley, CA · 33598 days ago · 6 km deep · 3 km away
  2. 3.219km ESE of Julian, CA · 33605 days ago · 6 km deep · 15 km away
  3. 3.011km SSW of Borrego Springs, CA · 33606 days ago · 6 km deep · 25 km away
  4. 2.06km SSW of Winchester, CA · 33608 days ago · 6 km deep · 97 km away
  5. 2.714km NNW of Ocotillo Wells, CA · 33611 days ago · 6 km deep · 46 km away
  6. 3.08km NE of Julian, CA · 33615 days ago · 6 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3362514. Read Sun, Oct 4, 2026, 5:11 PM UTC.