Chile earthquakes

M4.2 earthquake 85 km SW of Iquique, Chile

A magnitude 4.2 earthquake struck 85 km SW of Iquique, Chile on Sun, Nov 8, 2020, 1:56 AM GMT-3 (04:56 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.3 67 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
4.2 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-11-08 04:56:03 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
20.683° S, 70.805° 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?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Reverse (thrust)
Moment magnitude
4.2 Mwr
Nodal plane 1
Strike 2°, dip 33°, rake 108°
Nodal plane 2
Strike 160°, dip 59°, rake 78°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.6 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
146°
Stations used
43

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 3 in the 30 days before it.

After

  1. 3.672 km W of Iquique, Chile · 2151 days ago · 24 km deep · 49 km away · felt by 1
  2. 4.367 km W of Iquique, Chile · 2151 days ago · 24 km deep · 48 km away · felt by 3
  3. 4.279 km W of Iquique, Chile · 2150 days ago · 17 km deep · 51 km away · felt by 1
  4. 3.893 km SW of Iquique, Chile · 2123 days ago · 35 km deep · 8 km away · felt by 1
  5. 3.967 km SSW of Iquique, Chile · 2121 days ago · 70 km deep · 50 km away · felt by 11
  6. 1.818 km ESE of Iquique, Chile · 2113 days ago · 20 km deep · 94 km away · felt by 1
  7. 4.388 km SSW of Iquique, Chile · 2109 days ago · 25 km deep · 39 km away · felt by 3

Before

  1. 4.1101 km WNW of Iquique, Chile · 2163 days ago · 11 km deep · 86 km away
  2. 4.481 km WNW of Iquique, Chile · 2170 days ago · 10 km deep · 70 km away · felt by 3
  3. 5.388 km WNW of Iquique, Chile · 2170 days ago · 10 km deep · 77 km away · felt by 16

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000cc0j. Read Sun, Oct 4, 2026, 8:28 PM UTC.