Paper on coupling in the NAFZ

Amandine published a paper entitled “Spatio-temporal variations of seismic coupling along a transform fault: the western North Anatolian Fault Zone” in Geophysical Journal International. In this paper she estimates the seismic coupling along the Main Marmara Fault of the North Anatolian Fault Zone (NAFZ). The results of seismic strain rates and coupling are estimated from earthquakes included in historical and instrumental catalogues, which allows us to identify fault segments that represent a considerable seismic threat during the current seismic cycle. We find that seismic strain rates from the historical catalogue are of the same order as the tectonic strain rates along the main fault paths hosting the significant events. While most seismic energy is released in large earthquakes with recurrence times longer than the time covered by the instrumental catalogue, coupling estimates based on seismic data from the instrumental catalogue covering also off-fault areas are up to 100 times smaller. Reference: Amemoutou, A., Martínez-Garzón, P., Durand, V., Kwiatek, G., Bohnhoff, M., & Dresen, G. (2023). Spatio-temporal variations of seismic coupling along a transform fault: The western North Anatolian Fault Zone. Geophysical Journal International, 235(2), 1982–1995. https://doi.org/10.1093/gji/ggad341.