M4.1 earthquake 74 km SW of Calingasta, Argentina
A magnitude 4.1 earthquake struck 74 km SW of Calingasta, Argentina on Thu, Feb 23, 2017, 2:10 PM GMT-3 (17:10 UTC), 144 km (90 mi) below the surface.
A larger quake followed: M4.4 57 km WNW of Calingasta, Argentina. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb), light
- Local time
- UTC
- 2017-02-23 17:10:12 UTC
- Depth
- 144.2 km (89.6 mi), intermediate-depth
- Epicenter
- 31.730° S, 70.055° W
- Region
- Argentina
- 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 8.5 km horizontally, 7.5 km in depth
- Magnitude uncertainty
- ±0.21
- Stations used
- 0
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 2 in the 30 days before it.
After
- 4.457 km WNW of Calingasta, Argentina · 3477 days ago · 133 km deep · 76 km away
- 2.842 km NNE of San Felipe, Chile · 3444 days ago · 22 km deep · 87 km away
Before
Earthquakes todayArgentina earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20008ltu. Read Sun, Sep 27, 2026, 5:25 PM UTC.