This page summarizes earthquakes in Sumba Barat (Indonesia). The most recently recorded event was a magnitude M3.2 earthquake near Doka Kaka on 2026-08-03 00:20:37 UTC. All event lists and map markers are limited to the last 30 days.
West Sumba Regency is a regency in East Nusa Tenggara Province of Indonesia. Established in 1958, the regency was considerably reduced on 2 January 2007 with the creation of new Regencies on Sumba Island under Law UU No.16 of that year.
In 2026, Sumba Barat recorded 84 earthquakes within Indonesia. The average magnitude was M2.99. The strongest event reached M5.1.
By event count in 2026, this region ranks #7 within Indonesia.
Located on the Sunda Plate.
