Chile earthquakes

M4.9 earthquake 30 km NNE of Iquique, Chile

A magnitude 4.9 earthquake struck 30 km NNE of Iquique, Chile on Fri, Jan 27, 2017, 10:27 PM GMT-3 (01:27 UTC), 52 km (32 mi) below the surface.

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
4.9 (mww), light
Local time
UTC
2017-01-28 01:27:28 UTC
Depth
51.8 km (32.2 mi), shallow
Epicenter
19.961° S, 70.036° W
Region
Chile
Felt reports
5
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

5 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?

Fault motion and ground failure

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

Faulting
Oblique reverse
Moment magnitude
4.9 Mww
Nodal plane 1
Strike 25°, dip 29°, rake 126°
Nodal plane 2
Strike 166°, dip 67°, rake 72°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 2.8 km horizontally, 4.1 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
93°
Stations used
99

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 1 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.4105 km ENE of Iquique, Chile · 3527 days ago · 98 km deep · 90 km away

Before

  1. 4.265 km W of Iquique, Chile · 3538 days ago · 18 km deep · 83 km away
  2. 4.1108 km ENE of Iquique, Chile · 3543 days ago · 100 km deep · 90 km away
  3. 3.988 km E of Iquique, Chile · 3545 days ago · 107 km deep · 80 km away
  4. 3.774 km N of Iquique, Chile · 3553 days ago · 27 km deep · 48 km away
  5. 5.243 km NW of Iquique, Chile · 3557 days ago · 43 km deep · 39 km away · felt by 12
  6. 4.0119 km ENE of Iquique, Chile · 3559 days ago · 108 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10007vw0 (also filed as iscgem610145104). Read Wed, Sep 30, 2026, 2:47 PM UTC.