M3.9 earthquake 78 km SW of Quellón, Chile
A magnitude 3.9 earthquake struck 78 km SW of Quellón, Chile on Tue, Jan 31, 2017, 7:48 PM GMT-3 (22:48 UTC), 19 km (12 mi) below the surface.
A larger quake followed: M4.5 38 km WSW of Quellón, 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 (Mwr, regional moment), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-01-31 22:48:15 UTC
- Depth
- 19.3 km (12.0 mi), shallow
- Epicenter
- 43.551° S, 74.387° 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 3.9 Mwr
- Nodal plane 1
- Strike 7°, dip 67°, rake 112°
- Nodal plane 2
- Strike 141°, dip 32°, rake 49°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.0 km horizontally, 5.9 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 197°, poorly surrounded by stations
- Stations used
- 37
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 4 in the 30 days before it.
After
- 4.169 km W of Quellón, Chile · 3523 days ago · 15 km deep · 37 km away
- 4.270 km W of Quellón, Chile · 3506 days ago · 15 km deep · 50 km away
- 4.538 km WSW of Quellón, Chile · 3500 days ago · 28 km deep · 44 km away
- 4.358 km SW of Quellón, Chile · 3476 days ago · 19 km deep · 21 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10007wim. Read Thu, Oct 1, 2026, 10:22 PM UTC.