California earthquakes

M2.3 earthquake 2km WNW of Irvine, CA

A magnitude 2.3 earthquake struck 2km WNW of Irvine, CA on Wed, Jul 13, 1949, 5:50 PM GMT-8 (01:50 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.0 4km SSW of Redlands, 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
2.3 (ml), micro
Local time
UTC
1949-07-14 01:50:29 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.687° N, 117.808° 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 1.7 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.03
Depth from
Operator assigned
Station coverage gap
215°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 3.04km SSW of Redlands, CA · 28192 days ago · 14 km deep · 67 km away
  2. 2.518km SSW of San Pedro, CA · 28190 days ago · 6 km deep · 51 km away
  3. 2.78km SW of Corona, CA · 28190 days ago · 0 km deep · 23 km away
  4. 2.53km NNW of San Jacinto, CA · 28179 days ago · 5 km deep · 78 km away
  5. 2.612km SSE of San Pedro, CA · 28178 days ago · 6 km deep · 41 km away
  6. 2.45km SE of Banning, CA · 28171 days ago · 6 km deep · 92 km away
  7. 3.45km S of Redlands, CA · 28160 days ago · 15 km deep · 68 km away
  8. 3.74km N of Banning, CA · 28158 days ago · 12 km deep · 92 km away
  9. 2.12km W of Inglewood, CA · 28150 days ago · 18 km deep · 60 km away
  10. 3.011km S of San Pedro, CA · 28150 days ago · 6 km deep · 46 km away
  11. 2.93km N of Colton, CA · 28146 days ago · 15 km deep · 64 km away
  12. 2.66km N of Cabazon, CA · 28141 days ago · 6 km deep · 100 km away
  13. 2.719km S of Malibu Beach, CA · 28141 days ago · 6 km deep · 82 km away
  14. 2.613km NE of San Clemente Is. (NW tip), CA · 28138 days ago · 6 km deep · 91 km away

Before

  1. 2.94km WSW of Manhattan Beach, CA · 28198 days ago · 6 km deep · 63 km away
  2. 3.13km NNW of Colton, CA · 28205 days ago · 17 km deep · 64 km away
  3. 2.33km E of Norwalk, CA · 28206 days ago · 6 km deep · 33 km away
  4. 2.32km SSE of South Whittier, CA · 28206 days ago · 19 km deep · 36 km away
  5. 2.12km SSW of Santa Monica, CA · 28206 days ago · 6 km deep · 73 km away
  6. 2.43km NW of Santa Monica, CA · 28207 days ago · 15 km deep · 76 km away
  7. 2.48km SSE of Chino Hills, CA · 28211 days ago · 6 km deep · 28 km away
  8. 2.86km NNW of La Jolla, CA · 28218 days ago · 0 km deep · 99 km away
  9. 2.622km SW of San Clemente, CA · 28224 days ago · 6 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3355833. Read Tue, Sep 22, 2026, 12:15 PM UTC.