A research team from University of Tsukuba and collaborating institutions has clarified why M9-class megathrust earthquakes recur off the Kamchatka Peninsula with an unusually short cycle of 73 years.

Imagine: it’s a hot August morning in Vancouver. The province is in the grips of another summer heat wave and wildfires are raging in the north. Going about your morning, cell phones, including your ...

Tsukuba, Japan—In July 2025, a massive earthquake with a magnitude of 8.8-8.9 struck off the Kamchatka Peninsula, Russia. Notably, this event ruptured nearly the same region as the M9.0-class ...