Magnitude 7.0 (mww), 24 km deep, 3 km NW of Norsup, Vanuatu — 16.04°S, 167.38°E. April 28, 2016 at 19:33 UTC. Tsunami: USGS flags this quake as having caused one, or the potential for one. Felt reports to USGS: 2. https://earthquake.usgs.gov/earthquakes/eventpage/us10005c88 Data: US Geological Survey (public domain).