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4.5MAG

LIGHT EARTHQUAKE

76 km SW of Agam

BMKGFELT

A magnitude 4.5 earthquake struck 76 km SW of Agam on 21 Sept 2026, 12:35 UTC. The hypocentre was 10 km below the surface — shallow by seismological convention. Shaking was reported in Agam, Padang Pariaman Regency, Pariaman City and Padang City. 4 other earthquakes above our reporting threshold have been recorded within 250 km in the past 30 days.

Depth
10 km

shallow · at sea

Latitude
0.52°S

99.37°E longitude

Time
12:35 UTC

21 Sept 2026

Magnitude
M4.5

moment magnitude

REPORTED SHAKING (MMI SCALE)

III–IVAgam, II-III Padang Pariaman Regency, II-III Pariaman City, II-III Padang Cityweak to light shaking

EPICENTRE

SEA

SHAKEMAP (BMKG)

BMKG shakemap for the M4.5 earthquake near AgamView the official report

MAGNITUDE 4.5

Noticeable shaking of indoor objects. Damage is unlikely.

The scale is logarithmic: this released about 180 times the energy of a magnitude 3.0, roughly the energy of 85 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

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

OTHER RECENT EARTHQUAKES

M4.5 earthquake — Agam · Quakewire