M4.2 earthquake 78 km SW of Vallenar, Chile
A magnitude 4.2 earthquake struck 78 km SW of Vallenar, Chile on Sat, Jan 27, 2018, 6:06 AM GMT-3 (09:06 UTC), 57 km (35 mi) below the surface.
A larger quake followed: M4.3 92 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
- 4.2 (mb), light
- Local time
- UTC
- 2018-01-27 09:06:48 UTC
- Depth
- 56.8 km (35.3 mi), shallow
- Epicenter
- 29.111° S, 71.282° 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 II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.5 km horizontally, 6.8 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 100°
- Stations used
- 60
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.189 km NW of Coquimbo, Chile · 3154 days ago · 38 km deep · 72 km away
- 4.042 km NW of Coquimbo, Chile · 3135 days ago · 38 km deep · 81 km away
- 4.392 km WSW of Vallenar, Chile · 3126 days ago · 23 km deep · 30 km away · felt by 1
- 4.281 km WSW of Vallenar, Chile · 3114 days ago · 24 km deep · 40 km away
- 3.960 km W of Vallenar, Chile · 3113 days ago · 24 km deep · 70 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000cqb9. Read Sat, Sep 26, 2026, 8:10 AM UTC.