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4.9MAG

LIGHT EARTHQUAKE

5 km NW of Culaman, Philippines

USGS

A magnitude 4.9 earthquake struck 5 km NW of Culaman, Philippines on 27 Aug 2026, 18:43 UTC. The hypocentre was 10 km below the surface — shallow by seismological convention. 20 other earthquakes above our reporting threshold have been recorded within 250 km in the past 30 days.

Depth
10 km

shallow

Latitude
6.00°N

125.63°E longitude

Time
18:43 UTC

27 Aug 2026

Magnitude
M4.9

mb

EPICENTRE

View the official report

MAGNITUDE 4.9

Noticeable shaking of indoor objects. Damage is unlikely.

The scale is logarithmic: this released about 710 times the energy of a magnitude 3.0, roughly the energy of 338 tonnes of TNT.

10 KM DEEP

Shallow earthquakes release their energy close to the surface, so they are felt more strongly, and do more damage, than deeper earthquakes of the same magnitude.

NEARBY IN THE PAST 30 DAYS

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

OTHER RECENT EARTHQUAKES

M4.9 earthquake — Culaman, Philippines · Quakewire