Earthquake · Reviewed by USGS

M4.2 earthquake 49 km W of Copiapó, Chile

A magnitude 4.2 earthquake struck 49 km W of Copiapó, Chile at May 23, 2026, 04:53 UTC, at a depth of 36 km. The epicentre was 30 km (19 mi) S of Caldera.

Details

Magnitude	4.2 mb
Time	May 23, 2026, 04:53 UTC
Depth	35.8 km
Coordinates	-27.336, -70.832
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
4.3	42 km NNW of Vallenar, Chile	97 km / 60 mi	depth 74 km	Aug 15, 19:57 UTC
4.9	120 km NW of Vallenar, Chile	93 km / 58 mi	depth 10 km	Jul 22, 09:34 UTC
4.4	76 km SW of Copiapó, Chile	54 km / 34 mi	depth 62 km	Jun 25, 11:13 UTC
4.2	103 km NW of Vallenar, Chile	86 km / 54 mi	depth 18 km	Jun 12, 04:23 UTC
4.4	109 km NW of Vallenar, Chile	86 km / 53 mi	depth 19 km	Jun 11, 18:07 UTC
5.5	124 km NW of Vallenar, Chile	97 km / 60 mi	depth 9 km	Jun 11, 12:22 UTC
5.1	120 km NW of Vallenar, Chile	97 km / 60 mi	depth 10 km	Jun 11, 12:06 UTC
4.3	120 km NW of Vallenar, Chile	99 km / 61 mi	depth 10 km	Jun 11, 06:05 UTC
5.2	118 km NW of Vallenar, Chile	96 km / 60 mi	depth 10 km	Jun 11, 05:19 UTC

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