M4.2 earthquake 101 km WNW of Iquique, Chile
A magnitude 4.2 earthquake struck 101 km WNW of Iquique, Chile on Tue, Aug 15, 2017, 2:46 AM GMT-3 (05:46 UTC), 32 km (20 mi) below the surface.
A larger quake followed: M4.4 90 km WNW of Iquique, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb), light
- Local time
- UTC
- 2017-08-15 05:46:43 UTC
- Depth
- 32.5 km (20.2 mi), shallow
- Epicenter
- 19.997° S, 71.089° 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 7.7 km horizontally, 8.7 km in depth
- Magnitude uncertainty
- ±0.30
- Depth from
- From location
- Station coverage gap
- 205°, poorly surrounded by stations
- Stations used
- 31
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.288 km WNW of Iquique, Chile · 3328 days ago · 37 km deep · 12 km away
- 4.322 km N of Iquique, Chile · 3326 days ago · 47 km deep · 100 km away
- 4.076 km W of Iquique, Chile · 3305 days ago · 15 km deep · 35 km away · felt by 1
- 4.284 km W of Iquique, Chile · 3305 days ago · 12 km deep · 32 km away
- 4.490 km WNW of Iquique, Chile · 3297 days ago · 13 km deep · 11 km away
Before
- 4.792 km W of Iquique, Chile · 3336 days ago · 15 km deep · 11 km away
- 5.293 km WNW of Iquique, Chile · 3336 days ago · 10 km deep · 8 km away · felt by 1
- 4.158 km N of Iquique, Chile · 3360 days ago · 52 km deep · 95 km away · felt by 1
- 3.988 km W of Iquique, Chile · 3360 days ago · 9 km deep · 16 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000a8b9. Read Wed, Sep 30, 2026, 10:18 PM UTC.