Tsunami from Massive Kamchatka Earthquake Captured by Satellite "26 November 2025—A satellite deployed to measure ocean surface heights was up to the challenge when a massive earthquake off the Kamchatka Peninsula triggered a Pacific-wide tsunami in late July. The Surface Water Ocean Topography or SWOT satellite captured the first high-resolution spaceborne track of a great subduction zone tsunami, researchers report in The Seismic Record. The track shows an unexpectedly complex pattern of waves