California earthquakes

M2.6 earthquake 0km SSE of Long Beach, CA

A magnitude 2.6 earthquake struck 0km SSE of Long Beach, CA on Sat, Jan 21, 1939, 1:15 AM GMT-8 (09:15 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.9 2km N of Maywood, CA. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.6 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1939-01-21 09:15:05 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.801° N, 118.156° 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, 31.6 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
285°, poorly surrounded by stations
Stations used
3

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 9 in the 30 days before it.

After

  1. 2.69km ENE of Lake Elsinore, CA · 32032 days ago · 6 km deep · 86 km away
  2. 2.92km N of Maywood, CA · 32018 days ago · 6 km deep · 22 km away
  3. 2.911km S of Rancho Palos Verdes, CA · 32016 days ago · 6 km deep · 28 km away
  4. 2.65km WSW of Marina del Rey, CA · 32011 days ago · 6 km deep · 37 km away
  5. 2.733km E of Santa Barbara Is., CA · 32011 days ago · 6 km deep · 64 km away
  6. 2.57km N of Rancho Cucamonga, CA · 32009 days ago · 14 km deep · 69 km away
  7. 1.913km NE of Sunland, CA · 32007 days ago · 6 km deep · 62 km away
  8. 2.41km WSW of Cudahy, CA · 31985 days ago · 6 km deep · 18 km away
  9. 2.715km WSW of Lake Hughes, CA · 31983 days ago · 6 km deep · 99 km away
  10. 2.12km SE of Huntington Beach, CA · 31983 days ago · 6 km deep · 20 km away
  11. 2.82km SSE of Fountain Valley, CA · 31979 days ago · 6 km deep · 23 km away
  12. 2.34km NNW of Signal Hill, CA · 31978 days ago · 6 km deep · 5 km away

Before

  1. 1.72km SSE of Rossmoor, CA · 32032 days ago · 6 km deep · 8 km away
  2. 1.82km WNW of Westminster, CA · 32038 days ago · 6 km deep · 13 km away
  3. 2.13km SE of Huntington Beach, CA · 32042 days ago · 6 km deep · 22 km away
  4. 2.71km SSW of Bell Gardens, CA · 32048 days ago · 6 km deep · 17 km away
  5. 2.33km S of Huntington Beach, CA · 32051 days ago · 6 km deep · 21 km away
  6. 2.51km SE of Huntington Beach, CA · 32051 days ago · 6 km deep · 19 km away
  7. 2.82km NNW of Fountain Valley, CA · 32052 days ago · 6 km deep · 19 km away
  8. 2.54km ENE of Las Flores, CA · 32057 days ago · 6 km deep · 49 km away
  9. 4.08km WSW of Devore, CA · 32057 days ago · 11 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3364862. Read Sat, Oct 3, 2026, 12:56 PM UTC.