Chile earthquakes

M4.6 earthquake 94 km WSW of San Antonio, Chile

A magnitude 4.6 earthquake struck 94 km WSW of San Antonio, Chile on Wed, Oct 10, 2012, 11:38 PM GMT-3 (02:38 UTC), 32 km (20 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2012-10-11 02:38:30 UTC
Depth
31.7 km (19.7 mi), shallow
Epicenter
34.000° S, 72.500° W
Region
Chile
Felt reports
3
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

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

Felt at San Antonio and Santiago.

From the USGS event page for usp000jtuh. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

3 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Station coverage gap
122°
Stations used
40

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 15 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.789 km WSW of San Antonio, Chile · 5105 days ago · 35 km deep · 5 km away
  2. 4.293 km WSW of San Antonio, Chile · 5104 days ago · 43 km deep · 2 km away
  3. 4.577 km W of Santa Cruz, Chile · 5102 days ago · 15 km deep · 72 km away
  4. 4.249 km W of Santa Cruz, Chile · 5098 days ago · 43 km deep · 94 km away
  5. 4.437 km W of San Antonio, Chile · 5088 days ago · 47 km deep · 61 km away
  6. 4.663 km SW of San Antonio, Chile · 5074 days ago · 13 km deep · 34 km away · felt by 5
  7. 4.868 km SW of San Antonio, Chile · 5074 days ago · 16 km deep · 29 km away · felt by 3
  8. 4.474 km SW of San Antonio, Chile · 5073 days ago · 38 km deep · 21 km away
  9. 4.2Off the coast of Valparaiso, Chile · 5065 days ago · 1 km deep · 32 km away
  10. 5.163 km SW of San Antonio, Chile · 5065 days ago · 11 km deep · 31 km away · felt by 9
  11. 5.469 km WSW of San Antonio, Chile · 5064 days ago · 16 km deep · 24 km away · felt by 28
  12. 5.158 km SW of San Antonio, Chile · 5063 days ago · 19 km deep · 38 km away · felt by 19
  13. 5.945 km SSW of San Antonio, Chile · 5063 days ago · 18 km deep · 59 km away · felt by 73
  14. 4.279 km SW of San Antonio, Chile · 5063 days ago · 35 km deep · 18 km away
  15. 5.250 km SW of San Antonio, Chile · 5063 days ago · 16 km deep · 48 km away · felt by 10

Before

  1. 4.149 km S of San Antonio, Chile · 5105 days ago · 33 km deep · 76 km away
  2. 4.259 km NNW of Constitución, Chile · 5110 days ago · 21 km deep · 97 km away
  3. 4.558 km WNW of Santa Cruz, Chile · 5125 days ago · 60 km deep · 70 km away
  4. 4.591 km NNW of Constitución, Chile · 5131 days ago · 26 km deep · 79 km away
  5. 4.778 km N of Constitución, Chile · 5131 days ago · 34 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000jtuh (also filed as usb000d4cc). Read Fri, Oct 2, 2026, 5:17 PM UTC.