Earthquake · Reviewed by USGS

M4.3 earthquake 85 km ENE of Alianza Cristiana, Peru

A magnitude 4.3 earthquake struck 85 km ENE of Alianza Cristiana, Peru at Aug 2, 2026, 17:09 UTC, at a depth of 140 km. The epicentre was 277 km (172 mi) ESE of Macas.

Details

Magnitude	4.3 mb
Time	Aug 2, 2026, 17:09 UTC
Depth	140.3 km
Coordinates	-3.107, -75.760
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

Macas277 km (172 mi)
San Juan285 km (177 mi)
Iquitos287 km (178 mi)
Belen288 km (179 mi)

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
4.5	91 km ENE of Alianza Cristiana, Peru	13 km / 8 mi	depth 133 km	Sep 29, 10:22 UTC

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