California earthquakes

M2.5 earthquake 13km ESE of Avalon, CA

A magnitude 2.5 earthquake struck 13km ESE of Avalon, CA on Sun, Apr 16, 1950, 5:44 PM GMT-8 (01:44 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.9 22km S of San Pedro, CA. This one was a foreshock.

Avalon forecastMore in California

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.5 (ml), micro
Local time
UTC
1950-04-17 01:44:42 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.281° N, 118.207° 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 5.2 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
317°, 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 4 in the 30 days before it.

After

  1. 2.922km S of San Pedro, CA · 27915 days ago · 6 km deep · 31 km away
  2. 2.54km WNW of Huntington Beach, CA · 27896 days ago · 6 km deep · 50 km away
  3. 2.81km SW of Malibu, CA · 27894 days ago · 6 km deep · 98 km away
  4. 2.913km SSE of Las Flores, CA · 27892 days ago · 6 km deep · 80 km away
  5. 2.916km SW of La Jolla, CA · 27891 days ago · 5 km deep · 94 km away
  6. 3.314km WSW of Manhattan Beach, CA · 27891 days ago · 6 km deep · 69 km away
  7. 2.71km SSW of Yorba Linda, CA · 27883 days ago · 6 km deep · 76 km away
  8. 2.63km NNE of El Segundo, CA · 27876 days ago · 2 km deep · 76 km away
  9. 2.62km ENE of Hollywood, CA · 27875 days ago · 5 km deep · 92 km away
  10. 2.821km S of Malibu Beach, CA · 27865 days ago · 6 km deep · 75 km away
  11. 2.02km ENE of Inglewood, CA · 27864 days ago · 6 km deep · 77 km away
  12. 2.42km NW of Fountain Valley, CA · 27861 days ago · 6 km deep · 54 km away

Before

  1. 2.421km NE of Avalon, CA · 27919 days ago · 6 km deep · 23 km away
  2. 2.111km SSW of Newport Beach, CA · 27922 days ago · 6 km deep · 36 km away
  3. 2.119km SSW of Newport Beach, CA · 27922 days ago · 6 km deep · 27 km away
  4. 1.72km W of Covina, CA · 27929 days ago · 6 km deep · 94 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3366680. Read Tue, Sep 22, 2026, 8:55 PM UTC.