Ground-based magnetometer observations at Entoto Observatory (ENT), Ethiopia, during March and April 2025 geomagnetic storms

This dataset contains 1-second resolution ground-based magnetometer observations from Entoto Observatory (ENT), Addis Ababa, Ethiopia (Geo. Lat: 9.10°N, Geo. Lon: 38.80°E), during the geomagnetic storms of 19–25 March and 13–18 April 2025. The dataset includes the northward (X), eastward (Y), vertical (Z), and total field intensity (F) components in nanoteslas (nT). Entoto is not part of the INTERMAGNET network.