Chile earthquakes

M4.2 earthquake 142 km E of Iquique, Chile

A magnitude 4.2 earthquake struck 142 km E of Iquique, Chile on Sun, Oct 31, 2021, 12:46 PM GMT-3 (15:46 UTC), 114 km (71 mi) below the surface.

A larger quake followed: M4.6 163 km ESE of Iquique, 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-10-31 15:46:01 UTC
Depth
114.4 km (71.1 mi), intermediate-depth
Epicenter
20.447° S, 68.811° 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 5.9 km horizontally, 6.1 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
63°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.0115 km ESE of Iquique, Chile · 1797 days ago · 115 km deep · 58 km away · felt by 1
  2. 4.6163 km ESE of Iquique, Chile · 1779 days ago · 115 km deep · 53 km away · felt by 7
  3. 4.0138 km N of Calama, Chile · 1777 days ago · 117 km deep · 85 km away
  4. 4.2157 km NNE of Calama, Chile · 1776 days ago · 132 km deep · 75 km away
  5. 4.6119 km ESE of Iquique, Chile · 1773 days ago · 95 km deep · 31 km away · felt by 18
  6. 4.3147 km E of Iquique, Chile · 1762 days ago · 122 km deep · 14 km away
  7. 4.1135 km SE of Iquique, Chile · 1756 days ago · 116 km deep · 58 km away · felt by 1
  8. 4.2152 km N of Calama, Chile · 1754 days ago · 106 km deep · 70 km away
  9. 4.1152 km N of Calama, Chile · 1752 days ago · 136 km deep · 73 km away
  10. 4.5119 km ESE of Iquique, Chile · 1751 days ago · 112 km deep · 52 km away · felt by 1
  11. 4.2143 km N of Calama, Chile · 1740 days ago · 114 km deep · 82 km away

Before

  1. 4.2146 km NNE of Calama, Chile · 1799 days ago · 138 km deep · 82 km away
  2. 4.2140 km NNE of Calama, Chile · 1811 days ago · 125 km deep · 97 km away
  3. 4.0Tarapaca, Chile · 1816 days ago · 113 km deep · 74 km away
  4. 4.8148 km N of Calama, Chile · 1819 days ago · 114 km deep · 74 km away · felt by 3

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000fqac. Read Sat, Oct 3, 2026, 12:03 AM UTC.