Dataset used in the study: T. Eulenfeld (2020), Toward source region tomography with inter-source interferometry: Shear wave velocity from 2018 West Bohemia swarm earthquakes, Journal of Geophysical Research: Solid Earth, 125, e2020JB019931, doi: 10.1029/2020JB019931. The dataset includes HYPODD pha file with relocated earthquake catalog HYPODD pha file with relocated earthquake catalog of selected high quality events (Eulenfeld, 2020) Text file with focal mechanisms of 13 largest earthquakes Text file with coordinates of 9 WEBNET stations StationXML file with coordinate and response information of 9 WEBNET stations (prepared from RESP files by T. Eulenfeld) MSEED files of waveforms of earthquakes Citation for waveforms: Institute of Geophysics, Academy of Sciences of the Czech Republic (1991): West Bohemia Local Seismic Network. International Federation of Digital Seismograph Networks. Dataset/Seismic Network. 10.7914/SN/WB Citation for earthquake catalog: Bachura M, Fischer T, Doubravová J, Horálek J, From earthquake swarm to a main shock–aftershocks: the 2018 activity in West Bohemia/Vogtland (2021), Geophysical Journal International, 224 (33): 1835–1848, doi: 10.1093/gji/ggaa523 Citation for focal mechanisms: Plenefisch T and Barth L (2019), The May 2018 earthquake swarm in Vogtland/NW-Bohemia: Spatiotemporal evolution and focal mechanism determinations, in Geophysical Research Abstracts, volume 21, EGU2019–9356 Version 2: Version 1 of the data set included only waveforms for earthquakes with magnitude larger than 1.8, version 2 of the data set includes almost all waveforms for earthquakes listed in the catalog Added StationXML file Added catalog with selected high quality events