M4.3 earthquake 154 km NW of Coquimbo, Chile
A magnitude 4.3 earthquake struck 154 km NW of Coquimbo, Chile on Mon, Feb 19, 2018, 2:21 AM GMT-3 (05:21 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.4 176 km WNW of Coquimbo, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mwr), light
- Local time
- UTC
- 2018-02-19 05:21:40 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 29.181° S, 72.663° 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
- Normal
- Moment magnitude
- 4.3 Mwr
- Nodal plane 1
- Strike 20°, dip 46°, rake -98°
- Nodal plane 2
- Strike 211°, dip 45°, rake -82°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.5 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- Operator assigned
- Station coverage gap
- 94°
- Stations used
- 192
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 3 in the 30 days before it.
After
- 4.0160 km WNW of Coquimbo, Chile · 3141 days ago · 10 km deep · 11 km away
- 4.4176 km WNW of Coquimbo, Chile · 3136 days ago · 10 km deep · 23 km away
- 4.3176 km WNW of Coquimbo, Chile · 3135 days ago · 10 km deep · 23 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000d4jw. Read Sat, Sep 26, 2026, 3:31 PM UTC.