Earthquake · Reviewed by USGS

M4.7 earthquake 81 km W of San Antonio de los Cobres, Argentina

A magnitude 4.7 earthquake struck 81 km W of San Antonio de los Cobres, Argentina at Aug 20, 2026, 03:09 UTC, at a depth of 163 km. The epicentre was 171 km (106 mi) WNW of San Lorenzo.

Details

Magnitude	4.7 mb
Time	Aug 20, 2026, 03:09 UTC
Depth	163.4 km
Coordinates	-24.320, -67.112
Felt reports	0
Tsunami flag	None
Source	USGS event page

Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
4.5	102 km W of San Antonio de los Cobres, Argentina	22 km / 13 mi	depth 186 km	Oct 23, 00:09 UTC
4.5	79 km W of San Antonio de los Cobres, Argentina	6 km / 4 mi	depth 170 km	Oct 19, 07:33 UTC
4.4	80 km W of San Antonio de los Cobres, Argentina	7 km / 5 mi	depth 160 km	Oct 16, 21:46 UTC
4.2	169 km W of San Antonio de los Cobres, Argentina	88 km / 55 mi	depth 121 km	Oct 15, 13:29 UTC
4.3	81 km WNW of San Antonio de los Cobres, Argentina	45 km / 28 mi	depth 210 km	Oct 11, 21:33 UTC
4.6	64 km WNW of San Antonio de los Cobres, Argentina	31 km / 19 mi	depth 189 km	Sep 23, 16:48 UTC
4.4	87 km W of San Antonio de los Cobres, Argentina	7 km / 4 mi	depth 194 km	Sep 22, 07:56 UTC
4.3	67 km W of San Antonio de los Cobres, Argentina	21 km / 13 mi	depth 186 km	Sep 14, 05:03 UTC
4.3	74 km W of San Antonio de los Cobres, Argentina	17 km / 11 mi	depth 155 km	Sep 8, 01:24 UTC
4.1	50 km WNW of San Antonio de los Cobres, Argentina	41 km / 26 mi	depth 174 km	Aug 23, 22:58 UTC
4.1	76 km W of San Antonio de los Cobres, Argentina	8 km / 5 mi	depth 153 km	Aug 20, 20:35 UTC

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.