M4.7 earthquake 40 km NNW of San Martín, Argentina
A magnitude 4.7 earthquake struck 40 km NNW of San Martín, Argentina on Sat, Aug 14, 2021, 4:48 PM GMT-3 (19:48 UTC), 108 km (67 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-08-14 19:48:07 UTC
- Depth
- 108.1 km (67.2 mi), intermediate-depth
- Epicenter
- 31.079° S, 68.618° W
- Region
- Argentina
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
2 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 7.2 km horizontally, 2.6 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 44°
- Stations used
- 103
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 2 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.334 km NW of Villa Basilio Nievas, Argentina · 1868 days ago · 115 km deep · 49 km away
- 4.24 km S of Villa Basilio Nievas, Argentina · 1864 days ago · 107 km deep · 58 km away
Before
- 4.642 km WSW of Villa Basilio Nievas, Argentina · 1880 days ago · 108 km deep · 84 km away · felt by 1
- 4.323 km WSW of Pocito, Argentina · 1884 days ago · 15 km deep · 77 km away
- 4.321 km NNE of San Martín, Argentina · 1884 days ago · 109 km deep · 27 km away
- 4.436 km N of Calingasta, Argentina · 1890 days ago · 109 km deep · 73 km away
- 4.661 km W of San Agustín de Valle Fértil, Argentina · 1895 days ago · 80 km deep · 75 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000f6av. Read Mon, Oct 5, 2026, 8:35 AM UTC.