California earthquakes

M2.8 earthquake 10km W of Anza, CA

A magnitude 2.8 earthquake struck 10km W of Anza, CA on Tue, Dec 1, 1936, 8:33 PM GMT-8 (04:33 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.1 4km S of Banning, CA. This one was a foreshock.

Anza 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
2.8 (ml), micro
Local time
UTC
1936-12-02 04:33:27 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.538° N, 116.785° 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 3.6 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.17
Depth from
Operator assigned
Station coverage gap
258°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.79km SW of Corona, CA · 32804 days ago · 6 km deep · 84 km away
  2. 2.28km WSW of Anza, CA · 32804 days ago · 6 km deep · 3 km away
  3. 2.67km ESE of Moreno Valley, CA · 32797 days ago · 14 km deep · 53 km away
  4. 2.22km W of Fontana, CA · 32792 days ago · 13 km deep · 89 km away
  5. 2.513km ESE of Idyllwild, CA · 32792 days ago · 6 km deep · 24 km away
  6. 2.59km WSW of Corona, CA · 32791 days ago · 6 km deep · 88 km away
  7. 2.74km N of Redlands, CA · 32790 days ago · 6 km deep · 72 km away
  8. 2.615km NE of North Shore, CA · 32788 days ago · 6 km deep · 89 km away
  9. 1.910km NE of Lake Arrowhead, CA · 32786 days ago · 6 km deep · 90 km away
  10. 2.38km WNW of Morongo Valley, CA · 32785 days ago · 6 km deep · 59 km away
  11. 2.55km N of Anza, CA · 32783 days ago · 6 km deep · 13 km away
  12. 2.722km SSE of Ocotillo Wells, CA · 32781 days ago · 6 km deep · 93 km away
  13. 3.04km NNW of Cabazon, CA · 32769 days ago · 6 km deep · 46 km away
  14. 1.95km SW of Woodcrest, CA · 32769 days ago · 6 km deep · 67 km away
  15. 2.13km ENE of Rialto, CA · 32769 days ago · 6 km deep · 83 km away
  16. 2.39km NNE of Big Bear City, CA · 32769 days ago · 6 km deep · 88 km away
  17. 2.68km N of Big Bear City, CA · 32769 days ago · 6 km deep · 89 km away
  18. 1.92km E of Fontana, CA · 32768 days ago · 5 km deep · 86 km away
  19. 2.95km SE of Chino, CA · 32762 days ago · 6 km deep · 94 km away
  20. 3.13km N of Fontana, CA · 32760 days ago · 11 km deep · 90 km away
  21. 2.51km NNE of Devore, CA · 32760 days ago · 6 km deep · 95 km away
  22. 3.14km S of Banning, CA · 32758 days ago · 6 km deep · 39 km away

Before

  1. 2.38km NNE of Aguanga, CA · 32810 days ago · 6 km deep · 5 km away
  2. 2.17km S of Idyllwild, CA · 32811 days ago · 6 km deep · 17 km away
  3. 2.26km S of Cabazon, CA · 32813 days ago · 6 km deep · 36 km away
  4. 3.311km SSE of Yucca Valley, CA · 32815 days ago · 6 km deep · 67 km away
  5. 2.24km NNE of Fontana, CA · 32817 days ago · 14 km deep · 89 km away
  6. 2.52km SW of Grand Terrace, CA · 32823 days ago · 22 km deep · 74 km away
  7. 2.47km WSW of Devore, CA · 32824 days ago · 18 km deep · 96 km away
  8. 1.99km ENE of Yucaipa, CA · 32829 days ago · 6 km deep · 60 km away
  9. 2.010km E of Villa Park, CA · 32832 days ago · 6 km deep · 91 km away
  10. 2.210km WSW of Anza, CA · 32834 days ago · 6 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3364021. Read Mon, Sep 28, 2026, 7:36 PM UTC.