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Conference Paper

Observing the geohazards from the space

Authors

Bagiya,  Mala
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Heki,  Kosuke
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Bagiya, M., Heki, K. (2023): Observing the geohazards from the space, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4243


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021680
Abstract
The ionospheric manifestations of geohazards of earthquakes and tsunamis are well documented based on the radio sounding of the medium.In particular, Global Navigation Satellite Systems (GNSS) based ionospheric monitoring provided more insights towards understanding the dynamic coupling between the lithosphere-atmosphere-ionosphere (LAI) during earthquakes and tsunamis. The present paper will brief the concept of LAI coupling and discuss that how the ionospheric signals produced by earthquakes can be inverted to infer the seismic source characteristics of large earthquakes to envisage the propagation time of tsunami waves. The paper concludes by demonstrating that ionosphere based monitoring of earthquakes and tsunamis may facilitate further advancement of existing tsunami warning systems.