Chile earthquakes

M4.4 earthquake 49 km WSW of Illapel, Chile

A magnitude 4.4 earthquake struck 49 km WSW of Illapel, Chile on Sun, Aug 27, 2017, 6:18 PM GMT-3 (21:18 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M5.9 93 km WSW of Illapel, Chile. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.4 (mb), light
Local time
UTC
2017-08-27 21:18:36 UTC
Depth
22.4 km (13.9 mi), shallow
Epicenter
31.749° S, 71.678° 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 6.5 km horizontally, 8.5 km in depth
Magnitude uncertainty
±0.31
Depth from
From location
Station coverage gap
189°, poorly surrounded by stations
Stations used
33

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 3 in the 30 days before it.

After

  1. 5.993 km WSW of Illapel, Chile · 3293 days ago · 17 km deep · 43 km away · felt by 115
  2. 4.3102 km WSW of Illapel, Chile · 3293 days ago · 10 km deep · 52 km away
  3. 4.396 km W of Illapel, Chile · 3292 days ago · 10 km deep · 47 km away
  4. 3.9118 km W of Illapel, Chile · 3292 days ago · 10 km deep · 69 km away
  5. 4.2113 km W of Illapel, Chile · 3292 days ago · 10 km deep · 64 km away · felt by 1
  6. 4.5124 km W of Illapel, Chile · 3291 days ago · 10 km deep · 75 km away · felt by 5
  7. 4.0Off the coast of Coquimbo, Chile · 3291 days ago · 10 km deep · 52 km away
  8. 4.3103 km W of Illapel, Chile · 3284 days ago · 14 km deep · 54 km away · felt by 21
  9. 4.199 km W of Illapel, Chile · 3281 days ago · 39 km deep · 51 km away · felt by 6
  10. 4.161 km W of La Ligua, Chile · 3274 days ago · 20 km deep · 85 km away · felt by 103
  11. 4.178 km SW of Ovalle, Chile · 3268 days ago · 21 km deep · 74 km away · felt by 3

Before

  1. 4.099 km WSW of Illapel, Chile · 3315 days ago · 10 km deep · 50 km away
  2. 4.324 km W of Illapel, Chile · 3327 days ago · 48 km deep · 27 km away
  3. 4.258 km WNW of Illapel, Chile · 3328 days ago · 22 km deep · 33 km away · felt by 4

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000acb7. Read Thu, Sep 24, 2026, 2:04 AM UTC.