California earthquakes

M2.4 earthquake 26km ESE of Avalon, CA

A magnitude 2.4 earthquake struck 26km ESE of Avalon, CA on Tue, Sep 12, 1978, 7:40 PM PDT (02:40 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.6 4km NNW of Villa Park, 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
2.4 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-09-13 02:40:41 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.241° N, 118.077° 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 1.4 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
123°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.011km SE of San Pedro, CA · 17553 days ago · 6 km deep · 48 km away
  2. 1.94km WSW of Signal Hill, CA · 17549 days ago · 6 km deep · 62 km away
  3. 2.23km SW of Rancho Palos Verdes, CA · 17548 days ago · 6 km deep · 62 km away
  4. 1.87km ENE of Yorba Linda, CA · 17545 days ago · 3 km deep · 81 km away
  5. 2.64km NNW of Villa Park, CA · 17544 days ago · 4 km deep · 72 km away
  6. 2.15km WNW of Irvine, CA · 17543 days ago · 5 km deep · 56 km away
  7. 2.013km NE of Trabuco Canyon, CA · 17541 days ago · 5 km deep · 78 km away
  8. 2.22km SSE of Beverly Hills, CA · 17540 days ago · 4 km deep · 95 km away
  9. 1.96km S of San Clemente Is. (SE tip), CA · 17540 days ago · 6 km deep · 58 km away
  10. 2.216km S of Malibu Beach, CA · 17534 days ago · 4 km deep · 92 km away
  11. 2.56km ENE of Yorba Linda, CA · 17530 days ago · 11 km deep · 81 km away
  12. 2.441km WSW of Carlsbad, CA · 17529 days ago · 10 km deep · 44 km away
  13. 1.82km E of Compton, CA · 17523 days ago · 16 km deep · 74 km away
  14. 1.94km SSE of Highland Park, CA · 17520 days ago · 4 km deep · 95 km away
  15. 2.326km SSW of Dana Point, CA · 17519 days ago · 6 km deep · 24 km away
  16. 2.321km S of San Pedro, CA · 17519 days ago · 6 km deep · 38 km away
  17. 1.91km W of Hawaiian Gardens, CA · 17517 days ago · 0 km deep · 66 km away
  18. 2.22km ESE of Dana Point, CA · 17511 days ago · 12 km deep · 44 km away
  19. 2.413km S of Rancho Palos Verdes, CA · 17506 days ago · 15 km deep · 52 km away
  20. 1.86km NW of Fallbrook, CA · 17502 days ago · 4 km deep · 75 km away
  21. 2.01km N of Hawaiian Gardens, CA · 17502 days ago · 14 km deep · 67 km away
  22. 2.35km NE of Wildomar, CA · 17495 days ago · 8 km deep · 89 km away
  23. 2.54km NW of San Joaquin Hills, CA · 17494 days ago · 0 km deep · 49 km away

Before

  1. 2.03km ENE of Inglewood, CA · 17557 days ago · 3 km deep · 83 km away
  2. 1.92km ENE of Marina del Rey, CA · 17561 days ago · 6 km deep · 90 km away
  3. 3.66km SE of Chino Hills, CA · 17563 days ago · 6 km deep · 85 km away
  4. 1.77km SE of Chino Hills, CA · 17563 days ago · 9 km deep · 86 km away
  5. 2.66km SE of Chino Hills, CA · 17564 days ago · 5 km deep · 86 km away
  6. 1.82km WNW of Culver City, CA · 17566 days ago · 12 km deep · 93 km away
  7. 1.65km SE of Ontario, CA · 17567 days ago · 14 km deep · 98 km away
  8. 1.515km S of Malibu Beach, CA · 17567 days ago · 16 km deep · 93 km away
  9. 1.62km SE of Charter Oak, CA · 17571 days ago · 16 km deep · 97 km away
  10. 1.84km NNW of Yorba Linda, CA · 17572 days ago · 14 km deep · 79 km away
  11. 2.016km S of Rancho Palos Verdes, CA · 17572 days ago · 6 km deep · 48 km away
  12. 2.06km SE of Yorba Linda, CA · 17579 days ago · 5 km deep · 74 km away
  13. 1.813km S of Malibu Beach, CA · 17582 days ago · 10 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3313359. Read Sun, Oct 4, 2026, 7:54 AM UTC.