M4.2 earthquake 160 km NW of Coquimbo, Chile
A magnitude 4.2 earthquake struck 160 km NW of Coquimbo, Chile on Sun, Mar 19, 2017, 12:52 AM GMT-3 (03:52 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M4.7 85 km W 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 (mwr), light
- Local time
- UTC
- 2017-03-19 03:52:05 UTC
- Depth
- 5.9 km (3.7 mi), shallow
- Epicenter
- 28.928° S, 72.509° 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
- 4.2 Mwr
- Nodal plane 1
- Strike 346°, dip 24°, rake 69°
- Nodal plane 2
- Strike 188°, dip 68°, rake 99°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.0 km horizontally, 3.7 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 95°
- Stations used
- 101
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.785 km W of Vallenar, Chile · 3429 days ago · 20 km deep · 90 km away · felt by 3
- 4.778 km W of Vallenar, Chile · 3429 days ago · 21 km deep · 97 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20008t47. Read Thu, Sep 24, 2026, 11:42 AM UTC.