Tsunami Apr 2026

A powerful struck off the northern coast of Japan on April 20, 2026 [34, 35].

Tsunami waves are a series that can continue for hours; the first wave is rarely the largest [5.5, 14].

For real-time monitoring, you can check the U.S. Tsunami Warning Centers or the Japan Meteorological Agency . Tsunami

Authorities issued immediate evacuation orders for coastal and riverside areas, urging residents to move to higher ground [34].

Tsunami waves exceeding 80 cm were confirmed along the northern coast [34]. A powerful struck off the northern coast of

A sudden, unusual rise or fall of ocean waters (the "drawback") [18, 20].

A catastrophic off the coast of Russia in July 2025 triggered widespread Pacific-wide alerts [12, 26, 28]. Tsunami Warning Centers or the Japan Meteorological Agency

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)