Chile earthquakes

M3.9 earthquake 11 km NNE of Iquique, Chile

A magnitude 3.9 earthquake struck 11 km NNE of Iquique, Chile on Thu, Oct 14, 2021, 3:27 AM GMT-3 (06:27 UTC), 47 km (29 mi) below the surface.

A larger quake followed: M4.0 44 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
3.9 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-10-14 06:27:41 UTC
Depth
47.0 km (29.2 mi), shallow
Epicenter
20.117° S, 70.106° W
Region
Chile
Felt reports
9
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

9 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.

Location uncertainty
About 4.2 km horizontally, 8.4 km in depth
Magnitude uncertainty
±0.36
Depth from
From location
Station coverage gap
164°
Stations used
18

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 5 in the 30 days before it.

After

  1. 4.044 km W of Iquique, Chile · 1811 days ago · 25 km deep · 49 km away · felt by 4
  2. 3.89 km SSW of Iquique, Chile · 1807 days ago · 41 km deep · 21 km away · felt by 6
  3. 2.720 km SE of Iquique, Chile · 1791 days ago · 54 km deep · 28 km away · felt by 1
  4. 4.090 km NE of Iquique, Chile · 1788 days ago · 102 km deep · 80 km away · felt by 1
  5. 3.984 km S of Iquique, Chile · 1785 days ago · 42 km deep · 97 km away · felt by 1
  6. 3.125 km WSW of Iquique, Chile · 1779 days ago · 39 km deep · 35 km away · felt by 2
  7. 2.621 km SW of Iquique, Chile · 1769 days ago · 46 km deep · 33 km away · felt by 2

Before

  1. 4.229 km SE of Iquique, Chile · 1824 days ago · 88 km deep · 37 km away · felt by 8
  2. 3.773 km WSW of Iquique, Chile · 1826 days ago · 17 km deep · 82 km away · felt by 1
  3. 4.394 km S of Arica, Chile · 1828 days ago · 34 km deep · 90 km away · felt by 2
  4. 2.723 km SE of Iquique, Chile · 1840 days ago · 76 km deep · 31 km away · felt by 2
  5. 4.392 km ENE of Iquique, Chile · 1842 days ago · 103 km deep · 87 km away · felt by 9

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000fuh6. Read Sat, Oct 3, 2026, 1:14 AM UTC.