Chile earthquakes

M4.2 earthquake 135 km ENE of Iquique, Chile

A magnitude 4.2 earthquake struck 135 km ENE of Iquique, Chile on Tue, Apr 20, 2021, 8:33 PM GMT-4 (00:33 UTC), 107 km (66 mi) below the surface.

A larger quake followed: M4.5 116 km SE of Arica, 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-04-21 00:33:41 UTC
Depth
106.6 km (66.3 mi), intermediate-depth
Epicenter
19.752° S, 68.951° 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.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.3 km horizontally, 5.0 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
56°
Stations used
49

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.2110 km NE of Iquique, Chile · 1988 days ago · 101 km deep · 37 km away · felt by 1
  2. 4.288 km ENE of Iquique, Chile · 1984 days ago · 108 km deep · 49 km away · felt by 4
  3. 4.0118 km NE of Iquique, Chile · 1978 days ago · 97 km deep · 60 km away · felt by 2
  4. 3.898 km E of Iquique, Chile · 1970 days ago · 85 km deep · 59 km away · felt by 2
  5. 4.4167 km ENE of Iquique, Chile · 1968 days ago · 135 km deep · 33 km away
  6. 4.292 km E of Iquique, Chile · 1956 days ago · 110 km deep · 64 km away · felt by 5
  7. 4.1102 km ENE of Iquique, Chile · 1955 days ago · 97 km deep · 38 km away · felt by 1
  8. 4.5116 km SE of Arica, Chile · 1955 days ago · 105 km deep · 84 km away · felt by 1
  9. 4.1139 km NE of Iquique, Chile · 1939 days ago · 112 km deep · 49 km away

Before

  1. 4.4111 km NE of Iquique, Chile · 1996 days ago · 100 km deep · 55 km away · felt by 9
  2. 4.7137 km ENE of Iquique, Chile · 2011 days ago · 131 km deep · 7 km away · felt by 12

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000e3ca. Read Fri, Oct 2, 2026, 4:02 PM UTC.