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Fig. 3 | Journal of Applied Volcanology

Fig. 3

From: An adaptive 6-dimensional floating-search multi-station seismic-event detector (A6-DFMSD) and its application to low-frequency earthquakes in the East Eifel Volcanic Field, Germany

Fig. 3

Configuration of a detection model (CDM step) in association with the test example in the EEVF (Fig. 1). a station locations and top view of the seismic target zone considered in this study. Each small blue dot is considered as a seismic source and the travel times for the first P- and S- phase arrivals are calculated for each source-station pair. b subset of calculations to find the station-wise detection limits in the time domain. It is indicated how long before (in light blue) and/or after (in light red) the detection of a seismic phase at station DEP02 the routine searches for coherent seismic signals in the records of the other stations. c the same b), but here the time differences are obtained relative to the recording station ABH. Note: in b) and c) the dark blue and dark red bars denote the exact-time limits, and the light blue and light red bars indicate the exact-time limits after rounding up in respect with the window length “minStatisDur”

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