Chile earthquakes

M4.1 earthquake 94 km NW of Iquique, Chile

A magnitude 4.1 earthquake struck 94 km NW of Iquique, Chile on Wed, May 20, 2015, 1:35 AM GMT-3 (04:35 UTC), 37 km (23 mi) below the surface.

A larger quake followed: M5.3 71 km W of Iquique, Chile. This one was a foreshock.

Iquique 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 (mb), light
Local time
UTC
2015-05-20 04:35:53 UTC
Depth
36.7 km (22.8 mi), shallow
Epicenter
19.659° S, 70.842° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

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 6.2 km horizontally, 7.8 km in depth
Magnitude uncertainty
±0.30
Depth from
From location
Station coverage gap
201°, poorly surrounded by stations
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.296 km WNW of Iquique, Chile · 4150 days ago · 15 km deep · 24 km away
  2. 4.2106 km WNW of Iquique, Chile · 4150 days ago · 10 km deep · 31 km away
  3. 4.276 km W of Iquique, Chile · 4149 days ago · 35 km deep · 62 km away
  4. 4.436 km NNE of Iquique, Chile · 4149 days ago · 66 km deep · 88 km away
  5. 5.371 km W of Iquique, Chile · 4148 days ago · 17 km deep · 59 km away · felt by 7
  6. 4.1Near the coast of Tarapaca, Chile · 4148 days ago · 32 km deep · 64 km away
  7. 4.868 km W of Iquique, Chile · 4147 days ago · 27 km deep · 59 km away
  8. 4.09 km NNE of Iquique, Chile · 4143 days ago · 44 km deep · 94 km away
  9. 3.730 km NW of Iquique, Chile · 4142 days ago · 36 km deep · 64 km away · felt by 1
  10. 5.084 km WNW of Iquique, Chile · 4139 days ago · 20 km deep · 32 km away
  11. 4.187 km WNW of Iquique, Chile · 4133 days ago · 15 km deep · 37 km away
  12. 4.770 km W of Iquique, Chile · 4130 days ago · 13 km deep · 61 km away · felt by 1
  13. 4.573 km W of Iquique, Chile · 4130 days ago · 10 km deep · 68 km away
  14. 4.373 km W of Iquique, Chile · 4130 days ago · 13 km deep · 65 km away
  15. 4.083 km W of Iquique, Chile · 4130 days ago · 13 km deep · 63 km away
  16. 4.561 km W of Iquique, Chile · 4123 days ago · 24 km deep · 67 km away

Before

  1. 4.396 km WNW of Iquique, Chile · 4152 days ago · 21 km deep · 28 km away
  2. 4.387 km WNW of Iquique, Chile · 4152 days ago · 15 km deep · 26 km away
  3. 4.8105 km WNW of Iquique, Chile · 4167 days ago · 10 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20002kd0. Read Tue, Sep 29, 2026, 11:14 PM UTC.