Earthquake · Reviewed by USGS

M4.0 earthquake 69 km SW of San Antonio, Chile

A magnitude 4.0 earthquake struck 69 km SW of San Antonio, Chile at Apr 28, 2026, 12:54 UTC, at a depth of 24 km. The epicentre was 70 km (43 mi) SW of San Antonio.

Details

Magnitude	4.0 mwr
Time	Apr 28, 2026, 12:54 UTC
Depth	24.4 km
Coordinates	-33.969, -72.212
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
4.8	23 km SW of San Antonio, Chile	46 km / 29 mi	depth 34 km	Oct 12, 18:17 UTC
5.2	69 km SW of San Antonio, Chile	4 km / 2 mi	depth 19 km	Sep 25, 15:29 UTC
4.4	57 km WSW of San Antonio, Chile	14 km / 9 mi	depth 27 km	Sep 24, 07:07 UTC
3.9	89 km WSW of Valparaíso, Chile	81 km / 50 mi	depth 10 km	Sep 13, 12:36 UTC
4.4	36 km W of Cartagena, Chile	53 km / 33 mi	depth 24 km	Aug 2, 01:21 UTC
4.4	57 km WSW of Valparaíso, Chile	75 km / 46 mi	depth 18 km	Jul 29, 14:36 UTC
4.2	57 km WSW of Valparaíso, Chile	75 km / 46 mi	depth 20 km	Jul 21, 04:28 UTC
4.6	45 km W of Santa Cruz, Chile	83 km / 52 mi	depth 41 km	Jun 13, 22:29 UTC
4.1	56 km WSW of San Antonio, Chile	16 km / 10 mi	depth 25 km	Jun 3, 22:36 UTC
4.4	71 km WSW of San Antonio, Chile	5 km / 3 mi	depth 24 km	Apr 28, 14:55 UTC
4.1	69 km SW of San Antonio, Chile	7 km / 5 mi	depth 22 km	Apr 28, 10:06 UTC
4.2	67 km SW of San Antonio, Chile	4 km / 3 mi	depth 22 km	Apr 28, 10:04 UTC

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