10 June 2026—Researchers combining two methods to reconstruct the rupture evolution of the July 2025 magnitude 8.8. Kamchatka earthquake found the rupture from the megathrust event extended about 500 kilometers from its epicenter. The rupture extent closely overlaps the rupture of the magnitude 9.0 1952 Kamchatka earthquake, according to the report by Guilherme de Melo of GEOMAR Helmholtz Centre for Ocean Research and his colleagues in The Seism…
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