Chile earthquakes

M4.1 earthquake 49 km S of San Antonio, Chile

A magnitude 4.1 earthquake struck 49 km S of San Antonio, Chile on Wed, Oct 10, 2012, 3:05 PM GMT-3 (18:05 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.9 45 km SSW of San Antonio, Chile. This one was a foreshock.

San Antonio forecastMore in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2012-10-10 18:05:02 UTC
Depth
33.4 km (20.8 mi), shallow
Epicenter
34.039° S, 71.675° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

no people dead or missing; no people injured; no buildings damaged or destroyed

From the USGS event page for usp000jtu0. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
FROM_LOCATION
Station coverage gap
191°, poorly surrounded by stations
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.694 km WSW of San Antonio, Chile · 5105 days ago · 32 km deep · 76 km away · felt by 3
  2. 4.789 km WSW of San Antonio, Chile · 5105 days ago · 35 km deep · 71 km away
  3. 4.293 km WSW of San Antonio, Chile · 5104 days ago · 43 km deep · 75 km away
  4. 4.577 km W of Santa Cruz, Chile · 5102 days ago · 15 km deep · 80 km away
  5. 4.249 km W of Santa Cruz, Chile · 5098 days ago · 43 km deep · 75 km away
  6. 4.437 km W of San Antonio, Chile · 5088 days ago · 47 km deep · 54 km away
  7. 4.016 km N of Cartagena, Chile · 5088 days ago · 34 km deep · 71 km away
  8. 4.343 km WNW of Rauco, Chile · 5082 days ago · 60 km deep · 91 km away
  9. 4.663 km SW of San Antonio, Chile · 5074 days ago · 13 km deep · 43 km away · felt by 5
  10. 4.868 km SW of San Antonio, Chile · 5074 days ago · 16 km deep · 47 km away · felt by 3
  11. 4.474 km SW of San Antonio, Chile · 5073 days ago · 38 km deep · 56 km away
  12. 4.2Off the coast of Valparaiso, Chile · 5065 days ago · 1 km deep · 44 km away
  13. 5.163 km SW of San Antonio, Chile · 5065 days ago · 11 km deep · 47 km away · felt by 9
  14. 5.469 km WSW of San Antonio, Chile · 5064 days ago · 16 km deep · 55 km away · felt by 28
  15. 5.158 km SW of San Antonio, Chile · 5063 days ago · 19 km deep · 41 km away · felt by 19
  16. 5.945 km SSW of San Antonio, Chile · 5063 days ago · 18 km deep · 21 km away · felt by 73
  17. 4.279 km SW of San Antonio, Chile · 5063 days ago · 35 km deep · 58 km away
  18. 5.250 km SW of San Antonio, Chile · 5063 days ago · 16 km deep · 32 km away · felt by 10

Before

  1. 4.456 km W of Rauco, Chile · 5110 days ago · 60 km deep · 99 km away
  2. 4.558 km WNW of Santa Cruz, Chile · 5125 days ago · 60 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000jtu0. Read Fri, Oct 2, 2026, 5:16 PM UTC.