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Diego Melgar

Diego Melgar

Co-Author, University of Oregon Seismologist

Appears in 1 story

Notable Quotes

"This observation shows we need to combine different data types for comprehensive tsunami analysis."

Stories

Satellite reveals tsunamis don't behave as scientists thought

New Capabilities

Analyzing SWOT data for tsunami modeling improvements

NASA's SWOT satellite caught a magnitude 8.8 Kamchatka earthquake's tsunami in unprecedented detail on July 30, 2025. The waves weren't behaving like a single stable swellโ€”they scattered, interacted, and dispersed across the Pacific basin like nothing scientists expected from textbook models. For 50 years, researchers treated big tsunamis as 'non-dispersive,' meaning they travel as one coherent wave. That assumption just died.

Updated Jan 6