M4.6 earthquake 179 km W of Vallenar, Chile
A magnitude 4.6 earthquake struck 179 km W of Vallenar, Chile on Thu, Jan 18, 2018, 10:46 AM GMT-3 (13:46 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.2 118 km WSW 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
- 4.6 (mb), light
- Local time
- UTC
- 2018-01-18 13:46:49 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 28.403° S, 72.578° 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 3.2 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.22
- Depth from
- Operator assigned
- Station coverage gap
- 206°, poorly surrounded by stations
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.2118 km WSW of Vallenar, Chile · 3171 days ago · 35 km deep · 87 km away · felt by 9
- 5.1145 km WNW of Coquimbo, Chile · 3153 days ago · 10 km deep · 94 km away · felt by 8
- 4.3154 km NW of Coquimbo, Chile · 3141 days ago · 10 km deep · 87 km away
- 4.0160 km WNW of Coquimbo, Chile · 3140 days ago · 10 km deep · 93 km away
- 4.4176 km WNW of Coquimbo, Chile · 3135 days ago · 10 km deep · 85 km away
- 4.3176 km WNW of Coquimbo, Chile · 3135 days ago · 10 km deep · 83 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000crrc. Read Sat, Sep 26, 2026, 4:35 AM UTC.