California earthquakes

M2.5 earthquake 15km SW of Malibu, CA

A magnitude 2.5 earthquake struck 15km SW of Malibu, CA on Fri, Apr 16, 1948, 7:45 PM GMT-7 (02:45 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.9 11km S of Isla Vista, CA. This one was a foreshock.

Malibu 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
2.5 (ml), micro
Local time
UTC
1948-04-17 02:45:30 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.923° N, 118.945° 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 2.9 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
341°, 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: 14 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.513km SSW of Malibu, CA · 28647 days ago · 6 km deep · 9 km away
  2. 1.82km ESE of Lynwood, CA · 28643 days ago · 6 km deep · 70 km away
  3. 2.01km N of Westwood, CA · 28635 days ago · 15 km deep · 50 km away
  4. 2.911km S of Isla Vista, CA · 28629 days ago · 3 km deep · 95 km away
  5. 2.63km E of Santa Clarita, CA · 28621 days ago · 6 km deep · 70 km away
  6. 3.62km S of Fountain Valley, CA · 28610 days ago · 6 km deep · 95 km away
  7. 2.815km SSW of Avalon, CA · 28607 days ago · 20 km deep · 91 km away
  8. 2.93km NE of Port Hueneme, CA · 28595 days ago · 6 km deep · 34 km away
  9. 2.59km NW of Santa Paula, CA · 28595 days ago · 6 km deep · 58 km away
  10. 2.58km WSW of Santa Paula, CA · 28595 days ago · 6 km deep · 48 km away
  11. 2.73km SE of Port Hueneme, CA · 28595 days ago · 6 km deep · 31 km away
  12. 2.82km SE of Oxnard, CA · 28595 days ago · 6 km deep · 35 km away
  13. 2.45km NNE of Valencia, CA · 28591 days ago · 6 km deep · 74 km away
  14. 2.13km E of View Park-Windsor Hills, CA · 28589 days ago · 0 km deep · 59 km away

Before

  1. 3.418km WSW of Malibu, CA · 28647 days ago · 6 km deep · 8 km away
  2. 2.936km WSW of Malibu, CA · 28647 days ago · 6 km deep · 20 km away
  3. 4.520km SW of Malibu, CA · 28647 days ago · 6 km deep · 5 km away
  4. 3.216km W of Malibu, CA · 28648 days ago · 6 km deep · 8 km away
  5. 2.68km WNW of Rancho Palos Verdes, CA · 28658 days ago · 6 km deep · 47 km away
  6. 2.517km SSE of Carpinteria, CA · 28669 days ago · 0 km deep · 61 km away
  7. 2.34km WSW of Hermosa Beach, CA · 28672 days ago · 6 km deep · 47 km away
  8. 2.820km S of Santa Barbara, CA · 28677 days ago · 6 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3357621. Read Tue, Sep 22, 2026, 6:37 AM UTC.