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]