#EarthquakeReport for M 7.3 #Earthquake along outer rise near the Tonga trench

reverse (compressional) mechanism

south of analogues incl tsunamigenic 2009 M 8.1 (tho that was extensional)

https://earthquake.usgs.gov/earthquakes/eventpage/us7000ip0l/executive

learn more abt regional tectonics here
https://earthjay.com/?p=5926