121 km SW of Lumajang, Jawa Timur

7 days ago

BMKG2 SOURCESFELT

A magnitude 4.6 earthquake struck 121 km SW of Lumajang, Jawa Timur on 12 Oct 2026, 11:58 UTC. The hypocentre was 21 km below the surface — shallow by seismological convention. Shaking was reported in Lumajang, Malang, Jember and Blitar. 5 other earthquakes above our reporting threshold have been recorded within 250 km in the past 30 days.

Depth: 21 km
Latitude: 9.20°S
Time: 11:58 UTC
Magnitude: M4.6

REPORTED SHAKING (MMI SCALE)

IIILumajang, III Malang, III Jember, II Blitarweak shaking

EPICENTRE

SEA

SHAKEMAP (BMKG)

BMKG shakemap for the M4.6 earthquake near Lumajang, Jawa Timur

View the official report↗

MAGNITUDE 4.6

Noticeable shaking of indoor objects. Damage is unlikely.

The scale is logarithmic: this released about 250 times the energy of a magnitude 3.0, roughly the energy of 120 tonnes of TNT.

21 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.