Satellite tracks tsunami waves

Trackline (red line) of the Jason-1 ascending orbit 2 hours after the 2004 Sumatra-Andaman eathquake. The satellite orbits the Earth at an altitude of approximaely 1300 km. Blue arc represents the modeled wavefront (direct arrival) of the outbound tsunami from seafloor displacement caused by the earthquake. Green arc represents one of many tsunami reflections. View to the north.