California earthquakes

M2.7 earthquake 1km NW of Devore, CA

A magnitude 2.7 earthquake struck 1km NW of Devore, CA on Sun, Mar 22, 1959, 4:08 PM GMT-8 (00:08 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.1 7km SW of Morongo Valley, 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
2.7 (ml), micro
Local time
UTC
1959-03-23 00:08:31 UTC
Depth
9.8 km (6.1 mi), shallow
Epicenter
34.228° N, 117.408° 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 1.2 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
183°, poorly surrounded by stations
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.43km E of Chino Hills, CA · 24648 days ago · 4 km deep · 39 km away
  2. 2.38km ESE of Santa Clarita, CA · 24646 days ago · 0 km deep · 95 km away
  3. 3.17km SW of Morongo Valley, CA · 24646 days ago · 6 km deep · 75 km away
  4. 3.12km S of Yucca Valley, CA · 24639 days ago · 6 km deep · 91 km away
  5. 2.52km NNE of Glen Avon, CA · 24635 days ago · 4 km deep · 23 km away
  6. 2.22km W of Glen Avon, CA · 24635 days ago · 0 km deep · 26 km away
  7. 2.53km SSE of Fontana, CA · 24634 days ago · 0 km deep · 17 km away
  8. 2.61km SW of Running Springs, CA · 24630 days ago · 6 km deep · 27 km away
  9. 3.91km ENE of Desert Hot Springs, CA · 24630 days ago · 6 km deep · 90 km away
  10. 2.58km SSW of Lytle Creek, CA · 24626 days ago · 3 km deep · 13 km away
  11. 2.72km S of La Palma, CA · 24624 days ago · 6 km deep · 74 km away
  12. 2.72km E of Cerritos, CA · 24623 days ago · 6 km deep · 72 km away
  13. 3.09km ENE of Barstow, CA · 24621 days ago · 6 km deep · 88 km away
  14. 3.33km SW of San Bernardino, CA · 24610 days ago · 14 km deep · 15 km away
  15. 2.92km NE of Barstow, CA · 24604 days ago · 6 km deep · 85 km away

Before

  1. 1.96km N of Yorba Linda, CA · 24668 days ago · 2 km deep · 50 km away
  2. 2.116km SSW of Llano, CA · 24677 days ago · 0 km deep · 43 km away
  3. 2.01km WNW of Whittier, CA · 24678 days ago · 0 km deep · 65 km away
  4. 2.02km W of East Los Angeles, CA · 24684 days ago · 1 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3297019. Read Tue, Sep 22, 2026, 4:47 AM UTC.