According to measurements by the Euro-Mediterranean Seismological Center, at 20:30 local time on October 25, a 5.4 magnitude earthquake occurred 34 km southeast of Ambenti, Papua New Guinea. The depth of the earthquake was 72.3 kilometers. The epicenter was located at 4.36 degrees south latitude and 143.08 degrees east longitude.

According to measurements by the Euro-Mediterranean Seismological Center, at 20:30 local time on October 25, a 5.4 magnitude earthquake occurred 34 km southeast of Ambenti, Papua New Guinea. The depth of the earthquake was 72.3 kilometers. The epicenter was located at 4.36 degrees south latitude and 143.08 degrees east longitude.