New radiocarbon method reveals hidden ancient quakes off Japan

The Nankai Trough off Japan's coast is known to be the site of future megaquakes, but its full seismic history has been a mystery. Researchers at the University of Tokyo applied a new type of radiocarbon analysis to a sediment core from the Kumano Sea, uncovering traces of multiple previously unknown earthquakes. By reconstructing a more accurate past, scientists aim to better predict future geophysical events and improve disaster preparedness. The findings were published in the journal Radiocarbon.

What kind of geological evidence do you think is most reliable for predicting future earthquakes?

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