M4.1 earthquake 91 km ENE of Iquique, Chile
A magnitude 4.1 earthquake struck 91 km ENE of Iquique, Chile on Thu, Dec 20, 2018, 2:05 AM GMT-3 (05:05 UTC), 92 km (57 mi) below the surface.
A larger quake followed: M4.9 147 km ENE 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
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-12-20 05:05:40 UTC
- Depth
- 91.6 km (56.9 mi), intermediate-depth
- Epicenter
- 19.975° S, 69.316° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person 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 5.4 km horizontally, 5.0 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 76°
- 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 1 in the 30 days before it.
After
- 4.3114 km ENE of Iquique, Chile · 2834 days ago · 100 km deep · 24 km away · felt by 2
- 4.886 km NE of Iquique, Chile · 2825 days ago · 110 km deep · 51 km away · felt by 4
- 4.9147 km ENE of Iquique, Chile · 2824 days ago · 104 km deep · 61 km away · felt by 3
- 4.356 km SE of Iquique, Chile · 2823 days ago · 28 km deep · 83 km away · felt by 3
- 4.4142 km E of Iquique, Chile · 2806 days ago · 147 km deep · 60 km away
- 4.2122 km ESE of Iquique, Chile · 2800 days ago · 102 km deep · 65 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000iv8w. Read Thu, Oct 1, 2026, 1:48 PM UTC.