Detectability of very low frequency earthquakes in Nankai subduction zone

How to cite this data data DOI of this repository method and conceptionShunsuke Takemura, Satoru Baba, Suguru Yabe, Yusuke Yamashita, Katsuhiko Shiomi, Takanori Matsuzawa, Detectability analysis of very low frequency earthquakes: methods and application in Nankai using F-net and DONET broad-band seismometers, Geophysical Journal International, Volume 237, Issue 1, April 2024, Pages 49–63, https://doi.org/10.1093/gji/ggae033 source_meca.dat Assumed focal mechanisms. Longitude, Latitude, depth, strike, dip, and rake are listed. Focal mechanisms at each source grid were assumed to be low-angle thrust faulting mechanisms from the plate geometry of Koketsu et al. (2012) and the convergence direction of NUVEL-1A (DeMets et al. 2010). VLFEdetectability_Fnet.dat The detectable limits of very low frequency earthquakes (VLFEs) in Nankai using F-net only. Longitude, Latitude, depth, and detectable limit (the lowest moment rate of detectable VLFEs) at each source grid are listed. The file with "Z" is the detectability of VLFEs using only vertical components. VLFEdetectability_FnetDONET.dat The detectable limits of VLFEs in Nankai using F-net and DONET. Longitude, Latitude, depth, and detectable limit (the lowest moment rate of detectable VLFEs) at each source grid are listed. The file with "Z" is the detectability of VLFEs using only vertical components.本数据集引用方式 本数据集DOI 方法与构思：竹村俊介、马场悟、矢部卓、山下悠介、塩见胜彦、松泽孝行；《极低频地震检测性分析：利用F-net与DONET宽频带地震仪在南海海沟的应用方法》，《国际地球物理学期刊（Geophysical Journal International）》，第237卷第1期，2024年4月，页码49-63，DOI: https://doi.org/10.1093/gji/ggae033 source_meca.dat 文件：假定震源机制。文件内依次列出经度、纬度、深度、走向、倾角与滑动角。每个震源网格的震源机制均基于Koketsu等人（2012）提出的板块几何模型，并结合NUVEL-1A板块汇聚方向（DeMets等人，2010），设定为低角度逆冲断层机制。 VLFEdetectability_Fnet.dat 文件：仅使用F-net地震仪时，南海海沟区域极低频地震（Very Low Frequency Earthquakes, VLFEs）的检测极限。文件内依次列出每个震源网格的经度、纬度、深度以及检测极限（即可被检测到的极低频地震的最低矩速率）。文件名含“Z”的文件代表仅使用垂直分量数据时的极低频地震检测性结果。 VLFEdetectability_FnetDONET.dat 文件：同时使用F-net与DONET地震仪时，南海海沟区域极低频地震的检测极限。文件内依次列出每个震源网格的经度、纬度、深度以及检测极限（即可被检测到的极低频地震的最低矩速率）。文件名含“Z”的文件代表仅使用垂直分量数据时的极低频地震检测性结果。