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Which was the strongest earthquake ever recorded?

Earth ScienceHistory

Quick Answer

The 1960 Valdivia earthquake in Chile was the strongest ever recorded, with a magnitude of 9.5.

The Full Story

The strongest earthquake ever recorded was the 1960 Valdivia earthquake in southern Chile. It had a moment magnitude of 9.5 and struck on May 22, 1960. The quake triggered a massive tsunami that crossed the Pacific Ocean and caused damage as far away as Hawaii, Japan, and the Philippines. It remains the benchmark for the largest earthquake measured instrumentally.

Key Facts

1.Magnitude: 9.5
2.Date: May 22, 1960
3.Triggered a Pacific-wide tsunami

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