According to measurements by the Euro-Mediterranean Seismological Center, at 17:38 local time on October 12, a 5.8 magnitude earthquake occurred 277 km north of Nuku'alofa, Tonga. The depth of the earthquake was 190 kilometers. The epicenter was at 18.6587 degrees south latitude and 174.9616 degrees west longitude.

According to measurements by the Euro-Mediterranean Seismological Center, at 17:38 local time on October 12, a 5.8 magnitude earthquake occurred 277 km north of Nuku'alofa, Tonga. The depth of the earthquake was 190 kilometers. The epicenter was at 18.6587 degrees south latitude and 174.9616 degrees west longitude.