Seismic biomarkers in Japan Trench fault zone reveal history of large earthquakes

Researchers used a novel technique to study the faults in the Japan Trench, the subduction zone where the magnitude 9.1 Tohoku-Oki earthquake struck in 2011. Their findings reveal a long history of large earthquakes in this fault zone, where they found multiple faults with evidence of more than 10 meters of slip during large earthquakes.

from Oceanography News -- ScienceDaily https://ift.tt/2RStvF4
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