Chile earthquakes

M4.1 earthquake 22 km N of Constitución, Chile

A magnitude 4.1 earthquake struck 22 km N of Constitución, Chile on Wed, Mar 28, 2012, 5:52 PM GMT-3 (20:52 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M4.7 38 km ENE of Constitución, Chile. This one was a foreshock.

Constitución 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 (ML, local (Richter)), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2012-03-28 20:52:34 UTC
Depth
17.1 km (10.6 mi), shallow
Epicenter
35.130° S, 72.456° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

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

Felt (IV) at Constitucion and (II) at Pencahue, Rancagua, San Fernando and Talca.

From the USGS event page for usp000jgxc. 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.

Station coverage gap
158°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 4.525 km NE of Constitución, Chile · 5298 days ago · 38 km deep · 26 km away
  2. 4.430 km ENE of Constitución, Chile · 5297 days ago · 43 km deep · 37 km away
  3. 3.926 km WSW of Santa Cruz, Chile · 5292 days ago · 37 km deep · 87 km away
  4. 4.148 km SW of Constitución, Chile · 5291 days ago · 13 km deep · 62 km away
  5. 4.738 km ENE of Constitución, Chile · 5284 days ago · 40 km deep · 41 km away
  6. 4.740 km NNW of Talca, Chile · 5270 days ago · 43 km deep · 50 km away · felt by 14
  7. 4.733 km WSW of Santa Cruz, Chile · 5270 days ago · 43 km deep · 81 km away · felt by 4
  8. 4.050 km W of Rauco, Chile · 5255 days ago · 44 km deep · 60 km away

Before

  1. 4.7Near the coast of Maule, Chile · 5300 days ago · 16 km deep · 67 km away
  2. 4.124 km NNW of Constitución, Chile · 5302 days ago · 13 km deep · 2 km away
  3. 4.447 km NE of Constitución, Chile · 5303 days ago · 35 km deep · 36 km away
  4. 4.636 km NW of Constitución, Chile · 5303 days ago · 44 km deep · 21 km away
  5. 7.123 km NE of Constitución, Chile · 5303 days ago · 41 km deep · 23 km away · felt by 1,122
  6. 4.633 km NE of Cauquenes, Chile · 5307 days ago · 67 km deep · 83 km away
  7. 4.044 km WSW of Santa Cruz, Chile · 5309 days ago · 44 km deep · 69 km away
  8. 4.932 km W of Rauco, Chile · 5316 days ago · 70 km deep · 74 km away · felt by 34
  9. 4.374 km NNW of Constitución, Chile · 5320 days ago · 39 km deep · 53 km away
  10. 4.964 km WNW of Cauquenes, Chile · 5325 days ago · 10 km deep · 83 km away · felt by 4
  11. 4.635 km SW of Constitución, Chile · 5325 days ago · 28 km deep · 51 km away
  12. 4.763 km WNW of Cauquenes, Chile · 5325 days ago · 10 km deep · 81 km away
  13. 5.049 km WNW of Cauquenes, Chile · 5325 days ago · 13 km deep · 76 km away · felt by 12

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000jgxc. Read Thu, Oct 1, 2026, 2:08 PM UTC.