A major tsunami warning issued when a large tsunami is expected to reach coastal areas; it calls for immediate action such as evacuation to higher ground and is more severe than a standard tsunami advisory.
気象庁が大津波警報を発表したため、住民は直ちに高台へ避難した。
Because the Meteorological Agency issued a major tsunami warning, residents immediately evacuated to higher ground.
テレビとラジオで大津波警報の避難情報が繰り返し伝えられた。
Evacuation information for the major tsunami warning was repeatedly broadcast on TV and radio.
大津波警報が出たら、沿岸部には絶対に近づかないでください。
If a major tsunami warning is issued, do not approach coastal areas under any circumstances.