Earthquake · Reviewed by USGS

M4.5 earthquake 35 km SW of Villa Basilio Nievas, Argentina

A magnitude 4.5 earthquake struck 35 km SW of Villa Basilio Nievas, Argentina at Oct 26, 2025, 10:05 UTC, at a depth of 106 km. The epicentre was 41 km (26 mi) WSW of Pocito.

Details

Magnitude	4.5 mb
Time	Oct 26, 2025, 10:05 UTC
Depth	106.3 km
Coordinates	-31.767, -69.008
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	67 km / 41 mi	depth 103 km	Oct 22, 01:08 UTC
4.4	25 km N of San Martín, Argentina	81 km / 51 mi	depth 108 km	Aug 17, 02:21 UTC
4.1	17 km E of Calingasta, Argentina	51 km / 31 mi	depth 117 km	Aug 2, 22:07 UTC
4.1	17 km S of Caucete, Argentina	71 km / 44 mi	depth 117 km	Jul 6, 08:56 UTC
4.3	23 km NNE of San Martín, Argentina	83 km / 51 mi	depth 114 km	May 31, 22:18 UTC
4.3	38 km S of Calingasta, Argentina	37 km / 23 mi	depth 109 km	May 31, 07:40 UTC
4.2	27 km SSW of Calingasta, Argentina	55 km / 34 mi	depth 124 km	May 6, 11:15 UTC
4.8	16 km SE of Calingasta, Argentina	46 km / 29 mi	depth 120 km	Apr 17, 06:19 UTC
3.9	22 km SW of Pocito, Argentina	27 km / 17 mi	depth 10 km	Mar 16, 18:12 UTC
5.0	16 km SW of Calingasta, Argentina	64 km / 40 mi	depth 120 km	Mar 9, 06:10 UTC
4.3	35 km NW of Albardón, Argentina	64 km / 40 mi	depth 126 km	Feb 28, 23:05 UTC
3.3	19 km ESE of Calingasta, Argentina	47 km / 29 mi	depth 123 km	Feb 2, 23:34 UTC
4.4	65 km SW of Calingasta, Argentina	94 km / 58 mi	depth 136 km	Jan 31, 23:28 UTC
4.3	56 km SSE of Caucete, Argentina	97 km / 60 mi	depth 150 km	Jan 22, 19:40 UTC
4.6	19 km W of Villa Basilio Nievas, Argentina	26 km / 16 mi	depth 108 km	Jan 15, 08:30 UTC
4.4	35 km NW of Villa Basilio Nievas, Argentina	52 km / 33 mi	depth 100 km	Jan 12, 00:57 UTC
4.3	61 km NE of Calingasta, Argentina	90 km / 56 mi	depth 112 km	Dec 20, 06:29 UTC
4.4	68 km S of Pocito, Argentina	75 km / 47 mi	depth 37 km	Dec 2, 23:28 UTC
4.1	56 km NE of Calingasta, Argentina	93 km / 58 mi	depth 115 km	Nov 24, 14:18 UTC
4.7	39 km NNW of Villa Basilio Nievas, Argentina	59 km / 37 mi	depth 117 km	Nov 20, 19:45 UTC
4.2	44 km SSW of Calingasta, Argentina	57 km / 35 mi	depth 123 km	Nov 1, 02:57 UTC
4.4	34 km SSE of Calingasta, Argentina	34 km / 21 mi	depth 124 km	Oct 30, 14:19 UTC

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