Earthquake · Reviewed by USGS

M4.7 earthquake 267 km SSE of Ushuaia, Argentina

A magnitude 4.7 earthquake struck 267 km SSE of Ushuaia, Argentina at Aug 21, 2025, 22:34 UTC, at a depth of 10 km. The epicentre was 268 km (166 mi) SSE of Ushuaia.

Details

Magnitude	4.7 mb
Time	Aug 21, 2025, 22:34 UTC
Depth	10.0 km
Coordinates	-57.136, -67.213
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

Ushuaia268 km (166 mi)

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	255 km SSE of Ushuaia, Argentina	27 km / 17 mi	depth 10 km	Jul 29, 05:00 UTC
5.4	291 km SSE of Ushuaia, Argentina	29 km / 18 mi	depth 10 km	Jul 24, 23:10 UTC
4.6	285 km SSE of Ushuaia, Argentina	30 km / 18 mi	depth 10 km	Jul 21, 17:21 UTC
4.9	297 km SSE of Ushuaia, Argentina	30 km / 19 mi	depth 10 km	Jul 7, 17:39 UTC
5.7	297 km SSE of Ushuaia, Argentina	38 km / 24 mi	depth 10 km	Jul 7, 01:26 UTC
4.3	266 km S of Ushuaia, Argentina	67 km / 41 mi	depth 10 km	Nov 8, 21:33 UTC
4.7	270 km SSE of Ushuaia, Argentina	8 km / 5 mi	depth 10 km	Aug 22, 17:31 UTC

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