Investigating the Impacts of a Wet Typhoon on Microseismicity: A Case Study of the 2009 Typhoon Morakot in Taiwan Based on a Template Matching Catalog

Abstract

However, the influence of Earth's surface processes on subsurface fault slip and earthquake behaviors remains poorly understood. Previous observational and modeling studies have shown that certain surface processes are capable of generating loading/unloading stresses and modulating earthquake behaviors. These include variations in atmospheric pressures (

Refined Earthquake Focal Mechanism Catalog for Southern California Derived With Deep Learning Algorithms

“…For example, the catalog can be used to analyze various stress loading processes at different time scales, like tidal loading (Cochran et al., 2004), seasonal water loading (Johnson et al., 2017), and inter‐seismic stress accumulation (Cheng & Ben‐Zion, 2020). Spatially, the fault geometry at depth inferred from focal mechanisms can be used to understand the on/off‐fault orientation changes (Cheng et al., 2018), the relationship between surface deformation and seismic deformation at depth (Zhai et al., 2021), as well as the effect of brittle‐ductile transition on the changes of fault geometry and stress field near the bottom of seismogenic zone (Schulte‐Pelkum et al., 2020). The insights from these topics will further contribute to understanding crustal deformation and potential seismic hazard.…”

Spatiotemporal Variations of Intermediate‐Depth Earthquakes Before and After 2011 Tohoku Earthquake Revealed by a Template Matching Catalog

“…The key idea of the MFT earthquake detection method is to utilize waveforms of known earthquakes ("template") to identify similar, but often weaker, unknown events in continuous seismic data. In this study, we adhered to the MFT workflow largely based on the methods presented by Zhai et al (2021) and Li et al (2018), as detailed in Text S1. One of the key limitations of the MFT method (Text S2 in Supporting Information S1) is its inability to detect events that are not spatially close to the template (Zhang & Wen, 2015).…”

“…In this study, we adhered to the MFT workflow largely based on the methods presented by Zhai et al. (2021) and Li et al. (2018), as detailed in Text S1.…”

Thousand‐Kilometer DAS Array Reveals an Uncatalogued Magnitude‐5 Dynamically Triggered Event After the 2023 Turkey Earthquake

“…It can also provide insights into the physics of earthquake nucleation (Tape et al, 2013). Despite advancements in data mining techniques, such as back-projection (Fan & Shearer, 2016;Ishii et al, 2005), template matching (Gibbons & Ringdal, 2006;Shelly et al, 2007;Zhai et al, 2021Zhai et al, , 2023, and machine learning (Tang et al, 2020;Zhu & Beroza, 2018), the capacity to effectively monitor earthquake triggering remains constrained by the quality and quantity of local seismometers. For example, Liu et al (2017) only had access to a single high-quality seismometer, significantly impeding the precise determination of the location and magnitude of the triggered events in their target region.…”