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- W4231070290 abstract "©2018. American Geophysical Union. All Rights Reserved. Matched-filters are an increasingly popular tool for earthquake detection, but their reliance on a priori knowledge of the targets of interest limits their application to regions with previously documented seismicity. We explore an extension to the matched-filter method to detect earthquakes and low-frequency earthquakes on local to regional scales. We show that it is possible to increase the number of detections compared with standard energy-based methods, with low false-detection rates, using suites of synthetic waveforms as templates. We apply this to a microearthquake swarm and an aftershock sequence, and to detect low-frequency earthquakes. We also explore the sensitivity of detections to the synthetic source's location and focal mechanism. Source-receiver geometry has a first-order control on how sensitive matched-filter detectors are to variations in source location and focal mechanism, and this likely applies to detections made using both synthetic and real templates." @default.
- W4231070290 created "2022-05-11" @default.
- W4231070290 creator A5017030162 @default.
- W4231070290 creator A5048107638 @default.
- W4231070290 date "2021-02-09" @default.
- W4231070290 modified "2023-10-17" @default.
- W4231070290 title "Detecting Real Earthquakes Using Artificial Earthquakes: On the Use of Synthetic Waveforms in Matched-Filter Earthquake Detection" @default.
- W4231070290 doi "https://doi.org/10.26686/wgtn.13818725.v1" @default.
- W4231070290 hasPublicationYear "2021" @default.
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