Earthquake · Reviewed by USGS

M4.2 earthquake 34 km S of Calingasta, Argentina

A magnitude 4.2 earthquake struck 34 km S of Calingasta, Argentina at Aug 23, 2025, 03:01 UTC, at a depth of 110 km. The epicentre was 84 km (52 mi) W of Pocito.

Details

Magnitude	4.2 mb
Time	Aug 23, 2025, 03:01 UTC
Depth	109.8 km
Coordinates	-31.641, -69.469
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
4.4	30 km NW of Albardón, Argentina	85 km / 53 mi	depth 103 km	Oct 22, 01:08 UTC
4.1	17 km E of Calingasta, Argentina	38 km / 24 mi	depth 117 km	Aug 2, 22:07 UTC
4.3	38 km S of Calingasta, Argentina	9 km / 5 mi	depth 109 km	May 31, 07:40 UTC
4.4	46 km E of Salamanca, Chile	97 km / 60 mi	depth 3 km	May 11, 17:14 UTC
4.2	27 km SSW of Calingasta, Argentina	11 km / 7 mi	depth 124 km	May 6, 11:15 UTC
4.8	16 km SE of Calingasta, Argentina	26 km / 16 mi	depth 120 km	Apr 17, 06:19 UTC
3.9	22 km SW of Pocito, Argentina	72 km / 45 mi	depth 10 km	Mar 16, 18:12 UTC
5.0	16 km SW of Calingasta, Argentina	24 km / 15 mi	depth 120 km	Mar 9, 06:10 UTC
4.5	78 km WNW of Calingasta, Argentina	91 km / 57 mi	depth 127 km	Mar 1, 22:07 UTC
4.3	35 km NW of Albardón, Argentina	79 km / 49 mi	depth 126 km	Feb 28, 23:05 UTC
3.3	19 km ESE of Calingasta, Argentina	36 km / 22 mi	depth 123 km	Feb 2, 23:34 UTC
4.4	65 km SW of Calingasta, Argentina	50 km / 31 mi	depth 136 km	Jan 31, 23:28 UTC
4.4	68 km WNW of Calingasta, Argentina	87 km / 54 mi	depth 112 km	Jan 27, 23:49 UTC
4.6	19 km W of Villa Basilio Nievas, Argentina	52 km / 32 mi	depth 108 km	Jan 15, 08:30 UTC
4.4	35 km NW of Villa Basilio Nievas, Argentina	62 km / 38 mi	depth 100 km	Jan 12, 00:57 UTC
4.4	48 km NW of Calingasta, Argentina	76 km / 47 mi	depth 117 km	Dec 26, 05:37 UTC
4.3	61 km NE of Calingasta, Argentina	90 km / 56 mi	depth 112 km	Dec 20, 06:29 UTC
4.1	56 km NE of Calingasta, Argentina	88 km / 55 mi	depth 115 km	Nov 24, 14:18 UTC
4.7	39 km NNW of Villa Basilio Nievas, Argentina	67 km / 42 mi	depth 117 km	Nov 20, 19:45 UTC
4.2	82 km NE of San Felipe, Chile	89 km / 56 mi	depth 103 km	Nov 8, 05:23 UTC
4.2	44 km SSW of Calingasta, Argentina	15 km / 9 mi	depth 123 km	Nov 1, 02:57 UTC
4.4	34 km SSE of Calingasta, Argentina	13 km / 8 mi	depth 124 km	Oct 30, 14:19 UTC
4.7	42 km N of Calingasta, Argentina	77 km / 48 mi	depth 109 km	Oct 28, 18:17 UTC
4.5	35 km SW of Villa Basilio Nievas, Argentina	46 km / 28 mi	depth 106 km	Oct 26, 10:05 UTC
4.8	95 km ENE of Los Andes, Chile	86 km / 53 mi	depth 118 km	Oct 21, 14:08 UTC

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