Chile earthquakes

M4.3 earthquake 88 km WNW of La Ligua, Chile

A magnitude 4.3 earthquake struck 88 km WNW of La Ligua, Chile on Fri, Oct 19, 2012, 9:25 PM GMT-3 (00:25 UTC), 22 km (13 mi) below the surface.

A larger quake followed: M4.7 Off the coast of Coquimbo, Chile. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
4.3 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2012-10-20 00:25:48 UTC
Depth
21.7 km (13.5 mi), shallow
Epicenter
32.251° S, 72.141° 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 usp000ju6p. 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.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Reverse (thrust)
Nodal plane 1
Strike 164°, dip 89°, rake 78°
Nodal plane 2
Strike 67°, dip 12°, rake 173°

How well it is located

Reviewed by a seismologist.

Station coverage gap
80°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.7Off the coast of Coquimbo, Chile · 5094 days ago · 44 km deep · 62 km away
  2. 4.268 km W of Illapel, Chile · 5082 days ago · 43 km deep · 63 km away
  3. 4.666 km WSW of Illapel, Chile · 5082 days ago · 36 km deep · 60 km away
  4. 4.311 km NW of Hacienda La Calera, Chile · 5079 days ago · 46 km deep · 93 km away · felt by 8
  5. 4.544 km NNW of Valparaíso, Chile · 5071 days ago · 23 km deep · 55 km away · felt by 11
  6. 4.135 km N of Valparaíso, Chile · 5062 days ago · 21 km deep · 67 km away · felt by 9
  7. 4.637 km NNW of Valparaíso, Chile · 5052 days ago · 38 km deep · 63 km away

Before

  1. 4.575 km W of Illapel, Chile · 5098 days ago · 10 km deep · 58 km away
  2. 4.082 km WSW of Illapel, Chile · 5099 days ago · 43 km deep · 52 km away
  3. 4.584 km WSW of Illapel, Chile · 5100 days ago · 29 km deep · 48 km away
  4. 5.061 km WSW of Illapel, Chile · 5102 days ago · 24 km deep · 59 km away · felt by 6
  5. 4.152 km WNW of La Ligua, Chile · 5110 days ago · 11 km deep · 36 km away
  6. 4.169 km WNW of La Ligua, Chile · 5111 days ago · 7 km deep · 30 km away
  7. 4.689 km WNW of La Ligua, Chile · 5112 days ago · 9 km deep · 14 km away · felt by 8

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000ju6p. Read Sun, Oct 4, 2026, 8:24 PM UTC.