Chile earthquakes

M4.0 earthquake 85 km NE of Iquique, Chile

A magnitude 4.0 earthquake struck 85 km NE of Iquique, Chile on Fri, Aug 21, 2020, 1:56 AM GMT-4 (05:56 UTC), 100 km (62 mi) below the surface.

A larger quake followed: M4.5 Tarapaca, Chile. This one was a foreshock.

Pozo Almonte 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
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-08-21 05:56:44 UTC
Depth
100.3 km (62.3 mi), intermediate-depth
Epicenter
19.630° S, 69.613° W
Region
Chile
Felt reports
7
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

7 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 7.0 km horizontally, 7.2 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
64°
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: 6 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.334 km NE of Iquique, Chile · 2226 days ago · 61 km deep · 51 km away · felt by 21
  2. 3.320 km SE of Iquique, Chile · 2199 days ago · 83 km deep · 92 km away · felt by 3
  3. 4.5Tarapaca, Chile · 2193 days ago · 106 km deep · 30 km away
  4. 3.716 km W of Iquique, Chile · 2188 days ago · 32 km deep · 98 km away · felt by 6
  5. 4.3110 km SE of Arica, Chile · 2185 days ago · 124 km deep · 64 km away · felt by 1
  6. 3.892 km S of Arica, Chile · 2182 days ago · 57 km deep · 69 km away · felt by 2

Before

  1. 5.184 km S of Arica, Chile · 2238 days ago · 60 km deep · 83 km away · felt by 16
  2. 3.614 km ENE of Iquique, Chile · 2239 days ago · 45 km deep · 75 km away · felt by 6
  3. 4.5103 km ENE of Iquique, Chile · 2239 days ago · 99 km deep · 55 km away · felt by 1
  4. 5.5122 km NE of Iquique, Chile · 2251 days ago · 102 km deep · 45 km away · felt by 42
  5. 3.954 km NNE of Iquique, Chile · 2252 days ago · 31 km deep · 33 km away · felt by 12
  6. 3.116 km W of Iquique, Chile · 2254 days ago · 27 km deep · 98 km away · felt by 5
  7. 4.1102 km ESE of Iquique, Chile · 2261 days ago · 114 km deep · 99 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000bi7l. Read Fri, Oct 2, 2026, 2:05 PM UTC.