M4.4 earthquake 74 km NNW of Vallenar, Chile
A magnitude 4.4 earthquake struck 74 km NNW of Vallenar, Chile on Sat, Dec 23, 2017, 6:20 AM GMT-3 (09:20 UTC), 58 km (36 mi) below the surface.
A larger quake followed: M4.6 124 km NW of Vallenar, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 2017-12-23 09:20:03 UTC
- Depth
- 57.8 km (35.9 mi), shallow
- Epicenter
- 27.956° S, 71.048° 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 7.6 km horizontally, 7.6 km in depth
- Magnitude uncertainty
- ±0.22
- Depth from
- From location
- Station coverage gap
- 154°
- Stations used
- 41
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.2104 km NW of Vallenar, Chile · 3192 days ago · 31 km deep · 50 km away
- 4.390 km NW of Vallenar, Chile · 3160 days ago · 20 km deep · 31 km away
- 4.6124 km NW of Vallenar, Chile · 3145 days ago · 8 km deep · 65 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000bvad. Read Sat, Sep 26, 2026, 11:58 AM UTC.