VTEC and Virtual Stations dataset of Elazig and Maras regions

Dataset Description: 01. VTEC Data - Data type: VTEC (Vertical Total Electron Content) calculations obtained with ionolab from GNSS stations of Tusaga-aktif [1,2] - Temporal coverage: ±1 month around earthquake mainshocks a) Elazig Earthquake Region - Mainshock date: 24.01.2020 - GNSS stations: ADY1, ELAZ, ERGN, ERZ2, VIR2 - Time range: 24.12.2019 00:00:00 - 24.02.2020 23:59:30 b) Maras Earthquakes Region - Mainshocks date: 06.02.2023 - GNSS stations: ADN2, ADY1, ANTE, ARST, EKZ1, FEEK, HAT2, KLS1, MAR1, ONIY, TUF1 - Time range: 06.01.2023 00:00:00 - 06.03.2023 23:59:30 02. Filtered VTEC Data - Processed version of VTEC data - Filtering methodology detailed in manuscript* 03. Daily Anomaly Ratios - Derived from filtered VTEC data - Calculation methodology detailed in manuscript* 04. Station Location Data - Geographical coordinates of GNSS stations - Earthquake epicenter coordinates - Station-to-epicenter distance calculations 05. Station Distance Coefficients - Derived from station location data - Calculation methodology detailed in manuscript* 06. Virtual Station Data - Derived product from Daily Anomaly Ratios and Station distance coefficients - Generation methodology detailed in manuscript* * manuscript : "Detection of Pre-Seismic TEC Anomalies Using Isolation Forest: Virtual Station Analysis for Elazig and Maras Earthquakes" [1] TUSAGA-Aktif —. www.tusaga-aktif.gov.tr. [Accessed 15-06-2023] [2] IONOLAB - Ionosphere Research Laboratory — ionolab.org. https://www.ionolab.org/. [Accessed 15-06-2023]