English Dictionary

Big One

名詞

口語 通常 定冠詞付き 広義

(seismology, colloquial, usually with the) A hypothetical massive earthquake somewhere along the Pacific coast of North America, but especially one projected to cause catastrophic damage to a major city such as Vancouver, Seattle, San Francisco, or Los Angeles.

日本語の意味

北米太平洋岸地域で発生する、主要都市（例：バンクーバー、シアトル、サンフランシスコ、ロサンゼルス）に甚大な被害をもたらす可能性があるとされる、仮説上の巨大地震

Emergency planners ran a citywide drill to test how well services would cope when the Big One struck.

緊急対策担当者は、壊滅的な大地震が発生したときに各機関がどれだけ対応できるかを検証するため、市全体の訓練を実施した。

意味（1）

(seismology, colloquial, usually with the) A hypothetical massive earthquake somewhere along the Pacific coast of North America, but especially one projected to cause catastrophic damage to a major city such as Vancouver, Seattle, San Francisco, or Los Angeles.

意味（2）

(colloquial, by extension) Any other hypothetical event with the potential to be far more devastating than previous events of the same type.