Supplementary Dataset for "Insights into the 2021 Arkalochori (Crete Island, southern Greece) foreshock swarm through an enhanced deep-learning seismic catalog"

Deep-learning catalog The relocated deep-learning catalogue of seismicity in the area of Arkalochori, Central Crete, for the period between January 2021 and 27 September 2021 is available in Excel format. Column description: 1) event-code: identification code for each event, based on the origin time in yyyy-mm-dd-HH-MM-SS format, to facilitate temporal sorting. 2) Type: “reloc” for solution of double-difference relocation, “loc” for initial solutions of events that could not be relocated. 3-8) Year, Month, Day, Hour, Minute, Second of origin time. 9) Latitude (°N). 10) Longitude (°E). 11) Focal Depth (km). 12) Magnitude. 13) Cluster ID: spatiotemporal group number (CLID). “0” for events that do not belong to a cluster. “-1” for mainshock and aftershocks of 27 September 2021. 14) MinDist: Epicentral distance (km) of the closest station with available data. Uncertainties and statistics of initial locations, as reported by the HypoInverse location code: 15) RMS: Root mean square of the travel-time residuals (sec) 16-19): absolute location uncertainties (km) for the two horizontal directions (ERX, ERY), their average (ERH) and the vertical direction (ERZ). 20) Npha: number of phases 21) Gap: azimuthal gap. 22) Nsta: number of stations with available data. Relative location uncertainties derived from multiple HypoDD solutions (swarm only): 16-19): relative location uncertainties (km) for the two horizontal directions (ERX, ERY), their average (ERH) and the vertical direction (ERZ).