Radiocarbon Analysis Uncovers Possible Traces of Hidden Earthquakes Off Japan's Coast
5 Articles
5 Articles
Radiocarbon analysis uncovers possible traces of hidden earthquakes off Japan's coast
Researchers at the University of Tokyo have used a new type of radiocarbon analysis to study a sediment core taken from the Kumano Sea off the coast of Japan. This has revealed multiple "hidden" traces of previously unknown earthquakes in the Nankai Trough, where the country's next megaquake is expected to occur. Reconstructing a more accurate picture of the past will help predict future geophysical events and prepare for potential disasters. Th…
Hidden Disaster Records Found Beneath Japan's Seafloor Raise New Questions About Earthquake History
Evidence of destructive events dating back hundreds of years has been found hidden beneath the ocean floor off Japan, raising questions about how much of the country’s earthquake history has gone undetected. Seven separate layers of disturbed sediment were identified in a small section of seabed mud that appeared almost completely normal during earlier examinations. […]
Researchers at the University of Tokyo have used a new type of radiocarbon analysis to study a sediment core taken from the Kumano Sea off the coast of Japan. This has revealed multiple "hidden" traces of previously unknown earthquakes in the Nankai pit, where it is expected to occur [...]
Earthquakes and subsea slope slides can leave traces at the bottom of the sea that are hardly noticeable even in X-ray images. In a sediment core in front of Japan, radiocarbon dating has now revealed seven unusual deposit horizons. Some fit in time with historical earthquakes at the Nankai-Trog, but the individual triggers cannot be determined without doubt. Kashiwa (Japan). In front of the Japanese Kii Peninsula, the Nankai-Trog, [...] The art…
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