M3.9 earthquake 16 km NNW of Iquique, Chile
A magnitude 3.9 earthquake struck 16 km NNW of Iquique, Chile on Tue, Sep 5, 2023, 9:12 AM GMT-3 (12:12 UTC), 41 km (25 mi) below the surface.
A larger quake followed: M4.1 47 km NE of La Tirana, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-09-05 12:12:07 UTC
- Depth
- 41.0 km (25.5 mi), shallow
- Epicenter
- 20.092° S, 70.234° 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.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.9 km horizontally, 4.1 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 173°
- Stations used
- 11
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 1 in the 30 days before it.
After
- 3.75 km N of Huara, Chile · 1116 days ago · 66 km deep · 51 km away · felt by 2
- 4.147 km NE of La Tirana, Chile · 1111 days ago · 93 km deep · 98 km away · felt by 3
- 4.191 km WNW of Puerto, Chile · 1090 days ago · 17 km deep · 81 km away
- 4.160 km SSW of La Tirana, Chile · 1086 days ago · 68 km deep · 79 km away · felt by 11
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000kte0. Read Sun, Oct 4, 2026, 8:54 AM UTC.