Chile earthquakes

M4.1 earthquake 81 km N of Iquique, Chile

A magnitude 4.1 earthquake struck 81 km N of Iquique, Chile on Tue, Oct 20, 2020, 10:01 PM GMT-3 (01:01 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.6 46 km ESE of Arica, 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, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-10-21 01:01:45 UTC
Depth
12.8 km (7.9 mi), shallow
Epicenter
19.490° S, 70.033° W
Region
Chile
Felt reports
6
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

6 people reported to the USGS what they felt; the strongest reported shaking was II, 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 2.2 km horizontally, 5.7 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
124°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.1110 km ENE of Iquique, Chile · 2164 days ago · 123 km deep · 87 km away
  2. 4.646 km ESE of Arica, Chile · 2162 days ago · 86 km deep · 92 km away
  3. 4.251 km ESE of Arica, Chile · 2159 days ago · 134 km deep · 95 km away
  4. 3.987 km SSW of Arica, Chile · 2125 days ago · 69 km deep · 61 km away · felt by 3
  5. 4.486 km S of Arica, Chile · 2121 days ago · 52 km deep · 34 km away · felt by 13

Before

  1. 3.892 km S of Arica, Chile · 2183 days ago · 57 km deep · 25 km away · felt by 2
  2. 4.3110 km SE of Arica, Chile · 2186 days ago · 124 km deep · 76 km away · felt by 1
  3. 3.716 km W of Iquique, Chile · 2188 days ago · 32 km deep · 85 km away · felt by 6
  4. 4.5Tarapaca, Chile · 2194 days ago · 106 km deep · 68 km away
  5. 3.320 km SE of Iquique, Chile · 2199 days ago · 83 km deep · 96 km away · felt by 3

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000cag7. Read Sat, Oct 3, 2026, 1:25 AM UTC.