Journal
JOURNAL OF SEISMOLOGY
Volume 24, Issue 5, Pages 979-989Publisher
SPRINGER
DOI: 10.1007/s10950-020-09914-7
Keywords
Microseismicity; Induced Seismicity; Seismic Monitoring; Earthquake Detection; Earthquake Location; Irpinia Fault System; 1980 Irpinia Earthquake
Categories
Funding
- Italian Ministry for Economic Development (MiSE), DirectorateGeneral for Mineral and Energy Resources
- University of Naples Federico II
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A coherence-based earthquake detection technique was applied to continuous (1 year) waveform data recorded along the Irpinia fault system (Southern Italy). The earthquake detection was performed using coherent P- and S-wave arrivals recorded by the dense seismic network operating in Irpinia and assuming a local velocity model. We applied a strategy to simultaneously detect and locate earthquakes and to discriminate among true and false detections using an automated and fast procedure, able to process 1 year of data in similar to 1.75 days. The final catalogue of automatically retrieved earthquakes shows a performance improvement with respect to the standard monitoring practices, with an increase in the number of detected small events of about a factor three with respect to the automatic Earth-worm Binder implemented in ISNet and decreases in completeness magnitude of almost half unit magnitude.
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