M5.2 earthquake 64 km WSW of Calingasta, Argentina
A magnitude 5.2 earthquake struck 64 km WSW of Calingasta, Argentina on Thu, Feb 1, 2018, 8:13 PM GMT-3 (23:13 UTC), 101 km (63 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (Mww, W-phase moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-02-01 23:13:54 UTC
- Depth
- 100.7 km (62.6 mi), intermediate-depth
- Epicenter
- 31.562° S, 70.040° W
- Region
- Argentina
- Felt reports
- 13
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.2 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.08 · 15 stations |
| 5.17 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
Did you feel it?
13 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Strike-slip
- Moment magnitude
- 5.2 Mww
- Nodal plane 1
- Strike 105°, dip 84°, rake 5°
- Nodal plane 2
- Strike 15°, dip 85°, rake 174°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.6 km horizontally, 4.6 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 41°
- Stations used
- 461
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayArgentina earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000ce18 (also filed as iscgem611669780). Read Fri, Oct 2, 2026, 1:55 AM UTC.