🔬 Discovery

Deep earthquakes and the Wadati-Benioff zone

Terremotos profundos y zona de Wadati-Benioff

Date
1928 · confidence high
Place
Central Meteorological Observatory, Tokyo, Japan
Credited to
Wadati Kiyoo (and Hugo Benioff, 1949)
People
👤 Kiyoo Wadati1902–1995
Field
Cosmos & Earth

What was discovered

A demonstration that earthquakes occur hundreds of kilometres deep, aligned along an inclined plane beneath Japan. That zone was later interpreted as the plate sinking into the mantle.

What it led to

  • the concept of subduction
  • plate tectonics
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