Chile earthquakes

M4.2 earthquake 103 km E of Iquique, Chile

A magnitude 4.2 earthquake struck 103 km E of Iquique, Chile on Sat, Dec 16, 2017, 10:19 PM GMT-3 (01:19 UTC), 101 km (63 mi) below the surface.

A larger quake followed: M5.3 120 km E 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), light
Local time
UTC
2017-12-17 01:19:27 UTC
Depth
101.1 km (62.8 mi), intermediate-depth
Epicenter
20.289° S, 69.160° W
Region
Chile
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person 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 6.1 km horizontally, 10.7 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
47°
Stations used
39

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 5.3120 km E of Iquique, Chile · 3172 days ago · 105 km deep · 17 km away · felt by 4
  2. 4.2120 km E of Iquique, Chile · 3163 days ago · 132 km deep · 21 km away
  3. 4.5152 km N of Calama, Chile · 3162 days ago · 146 km deep · 98 km away
  4. 4.0116 km ESE of Iquique, Chile · 3157 days ago · 103 km deep · 19 km away

Before

  1. 4.1105 km E of Iquique, Chile · 3214 days ago · 99 km deep · 21 km away
  2. 4.3130 km ESE of Iquique, Chile · 3235 days ago · 105 km deep · 32 km away
  3. 4.3125 km E of Iquique, Chile · 3236 days ago · 109 km deep · 22 km away
  4. 4.7125 km ESE of Iquique, Chile · 3239 days ago · 110 km deep · 55 km away
  5. 5.0113 km ENE of Iquique, Chile · 3239 days ago · 97 km deep · 52 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000c5bs. Read Wed, Sep 30, 2026, 10:18 PM UTC.