Authorities issued immediate evacuation orders for coastal and riverside areas, urging residents to move to higher ground [34].
A catastrophic off the coast of Russia in July 2025 triggered widespread Pacific-wide alerts [12, 26, 28]. Tsunami
As of April 28, 2026, there are no active tsunami warnings, advisories, or watches for the [17] or Japan [29]. Recent activity has calmed following a major tsunami event earlier this month. Recent Major Event: Northern Japan (April 2026) 28]. As of April 28
Waves reached up to 5 meters in Russia's Kuril Islands [26], 6 feet in Hawaii [5.2], and up to 3.5 feet in California (Crescent City) [5.2, 5.3]. there are no active tsunami warnings