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4.2MAG

LIGHT EARTHQUAKE

49 km NW of Ruteng, Manggarai

BMKGFELT

A magnitude 4.2 earthquake struck 49 km NW of Ruteng, Manggarai on 22 Sept 2026, 17:20 UTC. The hypocentre was 7 km below the surface — shallow by seismological convention. Shaking was reported in Manggarai Regency. 69 other earthquakes above our reporting threshold have been recorded within 250 km in the past 30 days.

Depth
7 km

shallow · at sea

Latitude
8.21°S

120.28°E longitude

Time
17:20 UTC

22 Sept 2026

Magnitude
M4.2

moment magnitude

REPORTED SHAKING (MMI SCALE)

II–IIIManggarai Regencybarely felt to weak shaking

EPICENTRE

SEA

SHAKEMAP (BMKG)

BMKG shakemap for the M4.2 earthquake near Ruteng, ManggaraiView the official report

MAGNITUDE 4.2

Noticeable shaking of indoor objects. Damage is unlikely.

The scale is logarithmic: this released about 63 times the energy of a magnitude 3.0, roughly the energy of 30 tonnes of TNT.

7 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

69 earthquakes above our reporting threshold within 250 km of this one, the largest a magnitude 5.5.

OTHER RECENT EARTHQUAKES

M4.2 earthquake — Ruteng, Manggarai · Quakewire