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4.1MAG

LIGHT EARTHQUAKE

223 km SSW of Sarangani, Philippines

USGS

A magnitude 4.1 earthquake struck 223 km SSW of Sarangani, Philippines on 20 Aug 2026, 09:15 UTC. The hypocentre was 347.8 km below the surface — deep by seismological convention. 11 other earthquakes above our reporting threshold have been recorded within 250 km in the past 30 days.

Depth
347.8 km

deep

Latitude
3.64°N

124.48°E longitude

Time
09:15 UTC

20 Aug 2026

Magnitude
M4.1

mb

EPICENTRE

View the official report

MAGNITUDE 4.1

Noticeable shaking of indoor objects. Damage is unlikely.

The scale is logarithmic: this released about 45 times the energy of a magnitude 3.0, roughly the energy of 21 tonnes of TNT.

347.8 KM DEEP

Deep earthquakes rarely cause damage. The energy dissipates over hundreds of kilometres before reaching the surface, though it can still be felt far from the epicentre.

NEARBY IN THE PAST 30 DAYS

11 earthquakes above our reporting threshold within 250 km of this one, the largest a magnitude 5.2.

OTHER RECENT EARTHQUAKES

M4.1 earthquake — Sarangani, Philippines · Quakewire