A powerful struck off the northern coast of Japan on April 20, 2026 [34, 35].
Go to high ground or as far inland as possible; do not wait for official sirens if you notice natural signs [5.6, 13]. 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) A powerful struck off the northern coast of
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]. Recent activity has calmed following a major tsunami
If you are in a coastal area and experience a strong earthquake, follow these immediate steps from the National Weather Service : Feel: Strong or long-lasting ground shaking [18, 20].
This event resulted in an estimated 558 deaths and over 12,000 injuries [30]. Tsunami Safety: What to Know