Chile earthquakes

M4.2 earthquake 55 km NW of Coquimbo, Chile

A magnitude 4.2 earthquake struck 55 km NW of Coquimbo, Chile on Tue, Mar 17, 2015, 8:43 PM GMT-3 (23:43 UTC), 41 km (25 mi) below the surface.

A larger quake followed: M5.4 76 km NNW of Coquimbo, Chile. This one was a foreshock.

Coquimbo 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2015-03-17 23:43:52 UTC
Depth
40.7 km (25.3 mi), shallow
Epicenter
29.542° S, 71.662° 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 Coquimbo, La Higuera and La Serena.

From the USGS event page for us10001nba. 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.

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.

Location uncertainty
About 6.6 km horizontally, 8.3 km in depth
Magnitude uncertainty
±0.22
Depth from
FROM_LOCATION
Station coverage gap
183°, poorly surrounded by stations
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 3.92 km WSW of La Serena, Chile · 4207 days ago · 58 km deep · 55 km away
  2. 5.476 km NNW of Coquimbo, Chile · 4202 days ago · 32 km deep · 23 km away · felt by 11
  3. 4.266 km SW of Coquimbo, Chile · 4171 days ago · 33 km deep · 91 km away
  4. 4.415 km NNW of Coquimbo, Chile · 4160 days ago · 59 km deep · 40 km away
  5. 5.170 km W of Vallenar, Chile · 4159 days ago · 18 km deep · 99 km away · felt by 2
  6. 4.240 km N of La Serena, Chile · 4158 days ago · 48 km deep · 44 km away

Before

  1. 5.3Near the coast of Coquimbo, Chile · 4229 days ago · 60 km deep · 59 km away · felt by 5
  2. 4.047 km SW of Coquimbo, Chile · 4236 days ago · 41 km deep · 83 km away
  3. 4.840 km SSW of Coquimbo, Chile · 4246 days ago · 36 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10001nba. Read Fri, Oct 2, 2026, 11:46 AM UTC.