M4.3 earthquake 22 km N of Iquique, Chile
A magnitude 4.3 earthquake struck 22 km N of Iquique, Chile on Tue, Aug 22, 2017, 8:56 AM GMT-3 (11:56 UTC), 47 km (29 mi) below the surface.
A larger quake followed: M5.2 92 km SSE of Arica, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 2017-08-22 11:56:05 UTC
- Depth
- 46.6 km (29.0 mi), shallow
- Epicenter
- 20.013° S, 70.135° 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 3.7 km horizontally, 7.4 km in depth
- Magnitude uncertainty
- ±0.27
- Depth from
- From location
- Station coverage gap
- 167°
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 5 in the 30 days before it.
After
- 5.292 km SSE of Arica, Chile · 3313 days ago · 61 km deep · 84 km away · felt by 13
- 4.076 km W of Iquique, Chile · 3305 days ago · 15 km deep · 83 km away · felt by 1
- 4.284 km W of Iquique, Chile · 3305 days ago · 12 km deep · 90 km away
- 4.792 km E of Iquique, Chile · 3300 days ago · 99 km deep · 94 km away
- 4.1114 km NE of Iquique, Chile · 3299 days ago · 98 km deep · 96 km away
- 4.490 km WNW of Iquique, Chile · 3297 days ago · 13 km deep · 88 km away
Before
- 4.288 km WNW of Iquique, Chile · 3327 days ago · 37 km deep · 88 km away
- 4.2101 km WNW of Iquique, Chile · 3334 days ago · 32 km deep · 100 km away
- 4.792 km W of Iquique, Chile · 3336 days ago · 15 km deep · 93 km away
- 5.293 km WNW of Iquique, Chile · 3336 days ago · 10 km deep · 93 km away · felt by 1
- 4.38 km NNE of Iquique, Chile · 3353 days ago · 42 km deep · 14 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000aajx. Read Wed, Sep 30, 2026, 8:35 PM UTC.