Earthquake · Reviewed by USGS

M4.1 earthquake 35 km ENE of Calingasta, Argentina

A magnitude 4.1 earthquake struck 35 km ENE of Calingasta, Argentina at Oct 18, 2025, 17:13 UTC, at a depth of 115 km. The epicentre was 56 km (35 mi) WNW of Albardon.

Details

Magnitude	4.1 mb
Time	Oct 18, 2025, 17:13 UTC
Depth	115.0 km
Coordinates	-31.244, -69.068
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	33 km / 20 mi	depth 103 km	Oct 22, 01:08 UTC
4.4	25 km N of San Martín, Argentina	58 km / 36 mi	depth 108 km	Aug 17, 02:21 UTC
4.1	17 km E of Calingasta, Argentina	21 km / 13 mi	depth 117 km	Aug 2, 22:07 UTC
4.1	17 km S of Caucete, Argentina	99 km / 61 mi	depth 117 km	Jul 6, 08:56 UTC
4.3	23 km NNE of San Martín, Argentina	63 km / 39 mi	depth 114 km	May 31, 22:18 UTC
4.3	38 km S of Calingasta, Argentina	57 km / 35 mi	depth 109 km	May 31, 07:40 UTC
4.2	27 km SSW of Calingasta, Argentina	57 km / 35 mi	depth 124 km	May 6, 11:15 UTC
4.8	16 km SE of Calingasta, Argentina	33 km / 20 mi	depth 120 km	Apr 17, 06:19 UTC
3.9	22 km SW of Pocito, Argentina	73 km / 45 mi	depth 10 km	Mar 16, 18:12 UTC
5.0	16 km SW of Calingasta, Argentina	51 km / 31 mi	depth 120 km	Mar 9, 06:10 UTC
4.3	35 km NW of Albardón, Argentina	26 km / 16 mi	depth 126 km	Feb 28, 23:05 UTC
3.3	19 km ESE of Calingasta, Argentina	22 km / 14 mi	depth 123 km	Feb 2, 23:34 UTC
4.4	65 km SW of Calingasta, Argentina	100 km / 62 mi	depth 136 km	Jan 31, 23:28 UTC
4.4	68 km WNW of Calingasta, Argentina	97 km / 60 mi	depth 112 km	Jan 27, 23:49 UTC
4.6	19 km W of Villa Basilio Nievas, Argentina	35 km / 22 mi	depth 108 km	Jan 15, 08:30 UTC
4.4	35 km NW of Villa Basilio Nievas, Argentina	12 km / 8 mi	depth 100 km	Jan 12, 00:57 UTC
4.4	48 km NW of Calingasta, Argentina	72 km / 45 mi	depth 117 km	Dec 26, 05:37 UTC
4.3	61 km NE of Calingasta, Argentina	34 km / 21 mi	depth 112 km	Dec 20, 06:29 UTC
4.1	56 km NE of Calingasta, Argentina	35 km / 22 mi	depth 115 km	Nov 24, 14:18 UTC
4.7	39 km NNW of Villa Basilio Nievas, Argentina	12 km / 8 mi	depth 117 km	Nov 20, 19:45 UTC
4.2	44 km SSW of Calingasta, Argentina	72 km / 45 mi	depth 123 km	Nov 1, 02:57 UTC
4.4	34 km SSE of Calingasta, Argentina	50 km / 31 mi	depth 124 km	Oct 30, 14:19 UTC
4.7	42 km N of Calingasta, Argentina	51 km / 31 mi	depth 109 km	Oct 28, 18:17 UTC
4.5	35 km SW of Villa Basilio Nievas, Argentina	58 km / 36 mi	depth 106 km	Oct 26, 10:05 UTC
4.5	29 km NE of San Martín, Argentina	74 km / 46 mi	depth 110 km	Oct 23, 21:22 UTC

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