Earth Sciences

Tsunami deposits highlight high-magnitude earthquake potential in the Guerrero seismic gap Mexico

M. T. Ramírez-herrera, N. Corona, et al.

Discover the groundbreaking research by María Teresa Ramírez-Herrera and colleagues as they delve into the history of high-magnitude earthquakes in Mexico's Guerrero seismic gap. Their analysis of sediment cores reveals evidence of significant earthquakes and tsunamis over the last 2000 years, culminating in a powerful event around 1300 AD. Explore how geological insights are vital for understanding earthquake and tsunami hazards in subduction zones.

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Abstract

This research paper investigates the potential for high-magnitude earthquakes in the Guerrero seismic gap (GSG) of Mexico's subduction zone. By analyzing sediment cores along the Guerrero coast, the authors present evidence of large tsunamis over the past 2000 years, suggesting a history of significant earthquakes. Numerical modeling supports these findings, indicating a magnitude >8 event around the year 1300 AD. This study highlights the importance of using long-term geological evidence to assess earthquake and tsunami hazards in subduction zones.

Publisher

Communications Earth & Environment

Published On

Apr 12, 2024

Authors

María Teresa Ramírez-Herrera, Néstor Corona, Jan Černý, Krzysztof Gaidzik, Daisuke Sugawara, Steven L. Forman, María Luisa Machain-Castillo, Avto Gogichaishvili

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