Chile earthquakes

M4.9 earthquake 64 km WNW of Cauquenes, Chile

A magnitude 4.9 earthquake struck 64 km WNW of Cauquenes, Chile on Sat, Mar 3, 2012, 8:43 PM GMT-3 (23:43 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M7.1 23 km NE of Constitución, Chile. This one was a foreshock.

Cauquenes 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
4.9 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2012-03-03 23:43:04 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
35.740° S, 72.975° W
Region
Chile
Felt reports
4
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

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

Felt (V) at Constitucion; (IV) at Cobquecura and Talca; (III) at Cauquenes, Chanco, Chiguayante, Concepcion, Linares, Longavi, Maule, Molina, Pelluhue, Penco, Quirihue, Ranquil, San Pedro de la Paz, Tome, Trehuaco and Villa Alegre; (II) at Rancagua.

From the USGS event page for usp000jfrp. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

4 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
115°
Stations used
116

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 11 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.633 km NE of Cauquenes, Chile · 5307 days ago · 67 km deep · 86 km away
  2. 7.123 km NE of Constitución, Chile · 5303 days ago · 41 km deep · 91 km away · felt by 1,122
  3. 4.636 km NW of Constitución, Chile · 5303 days ago · 44 km deep · 77 km away
  4. 4.124 km NNW of Constitución, Chile · 5302 days ago · 13 km deep · 82 km away
  5. 4.7Near the coast of Maule, Chile · 5300 days ago · 16 km deep · 22 km away
  6. 4.122 km N of Constitución, Chile · 5300 days ago · 17 km deep · 83 km away
  7. 4.525 km NE of Constitución, Chile · 5298 days ago · 38 km deep · 94 km away
  8. 4.430 km ENE of Constitución, Chile · 5297 days ago · 43 km deep · 96 km away
  9. 4.148 km SW of Constitución, Chile · 5291 days ago · 13 km deep · 20 km away
  10. 4.354 km NW of Tomé, Chile · 5281 days ago · 27 km deep · 65 km away
  11. 4.017 km WSW of Quirihue, Chile · 5276 days ago · 63 km deep · 72 km away

Before

  1. 4.635 km SW of Constitución, Chile · 5325 days ago · 28 km deep · 33 km away
  2. 4.763 km WNW of Cauquenes, Chile · 5325 days ago · 10 km deep · 1 km away
  3. 5.049 km WNW of Cauquenes, Chile · 5325 days ago · 13 km deep · 16 km away · felt by 12

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000jfrp (also filed as usb0008arf). Read Thu, Oct 1, 2026, 1:16 PM UTC.