Chile earthquakes

M4.4 earthquake 36 km NNE of Iquique, Chile

A magnitude 4.4 earthquake struck 36 km NNE of Iquique, Chile on Thu, May 21, 2015, 6:33 PM GMT-3 (21:33 UTC), 66 km (41 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
4.4 (mb), light
Local time
UTC
2015-05-21 21:33:03 UTC
Depth
66.2 km (41.1 mi), shallow
Epicenter
19.900° S, 70.040° 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 5.0 km horizontally, 6.2 km in depth
Magnitude uncertainty
±0.54
Depth from
From location
Station coverage gap
148°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 5.371 km W of Iquique, Chile · 4148 days ago · 17 km deep · 89 km away · felt by 7
  2. 4.1Near the coast of Tarapaca, Chile · 4148 days ago · 32 km deep · 93 km away
  3. 4.868 km W of Iquique, Chile · 4147 days ago · 27 km deep · 86 km away
  4. 4.09 km NNE of Iquique, Chile · 4142 days ago · 44 km deep · 28 km away
  5. 3.730 km NW of Iquique, Chile · 4142 days ago · 36 km deep · 37 km away · felt by 1
  6. 5.084 km WNW of Iquique, Chile · 4139 days ago · 20 km deep · 91 km away
  7. 4.187 km WNW of Iquique, Chile · 4133 days ago · 15 km deep · 96 km away
  8. 4.770 km W of Iquique, Chile · 4130 days ago · 13 km deep · 88 km away · felt by 1
  9. 4.573 km W of Iquique, Chile · 4130 days ago · 10 km deep · 94 km away
  10. 4.373 km W of Iquique, Chile · 4130 days ago · 13 km deep · 93 km away
  11. 4.4100 km E of Iquique, Chile · 4130 days ago · 99 km deep · 92 km away · felt by 1
  12. 4.561 km W of Iquique, Chile · 4123 days ago · 24 km deep · 83 km away
  13. 4.078 km ENE of Iquique, Chile · 4113 days ago · 118 km deep · 65 km away
  14. 4.4103 km NE of Iquique, Chile · 4104 days ago · 110 km deep · 70 km away

Before

  1. 4.276 km W of Iquique, Chile · 4149 days ago · 35 km deep · 95 km away
  2. 4.296 km WNW of Iquique, Chile · 4150 days ago · 15 km deep · 99 km away
  3. 4.1100 km ENE of Iquique, Chile · 4150 days ago · 99 km deep · 77 km away
  4. 4.194 km NW of Iquique, Chile · 4151 days ago · 37 km deep · 88 km away
  5. 4.396 km WNW of Iquique, Chile · 4152 days ago · 21 km deep · 100 km away
  6. 4.387 km WNW of Iquique, Chile · 4152 days ago · 15 km deep · 91 km away
  7. 4.5116 km NE of Iquique, Chile · 4167 days ago · 117 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10002b9l. Read Tue, Sep 29, 2026, 7:15 PM UTC.