As a seismology expert with a deep understanding of the history and science behind seismic events, I can provide you with a detailed answer to your question.
The most powerful earthquake ever recorded is the
1960 Valdivia earthquake, also known as the
Great Chilean Earthquake. This monumental seismic event occurred on Sunday, May 22, 1960, and it is notable for its magnitude of
9.5 on the moment magnitude scale. The earthquake was so powerful that it generated a tsunami which had widespread effects, even reaching distant shores like Hawaii, Japan, the Philippines, New Zealand, and Southeast Alaska.
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