Journal cover Journal topic
Annales Geophysicae Sun, Earth, planets, and planetary systems An interactive open-access journal of the European Geosciences Union
Ann. Geophys., 36, 361-371, 2018
https://doi.org/10.5194/angeo-36-361-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Regular paper
14 Mar 2018
Ionospheric anomalies detected by ionosonde and possibly related to crustal earthquakes in Greece
Loredana Perrone1, Angelo De Santis1, Cristoforo Abbattista2, Lucilla Alfonsi1, Leonardo Amoruso2, Marianna Carbone2, Claudio Cesaroni1, Gianfranco Cianchini1, Giorgiana De Franceschi1, Anna De Santis1, Rita Di Giovambattista1, Dedalo Marchetti1, Francisco J. Pavòn-Carrasco1,a, Alessandro Piscini1, Luca Spogli1,3, and Francesca Santoro2 1Istituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata 605, 00143 Rome, Italy
2Planetek Italia srl, via Massaua 12, Bari, Italy
3SpacEarth Technology, Via di Vigna Murata 605, 00143 Rome, Italy
anow at: Facultad Física (UCM), Avd. Complutense, s/n. 28040 Madrid, Spain
Abstract. Ionosonde data and crustal earthquakes with magnitude M ≥ 6.0 observed in Greece during the 2003–2015 period were examined to check if the relationships obtained earlier between precursory ionospheric anomalies and earthquakes in Japan and central Italy are also valid for Greek earthquakes. The ionospheric anomalies are identified on the observed variations of the sporadic E-layer parameters (h′Es, foEs) and foF2 at the ionospheric station of Athens. The corresponding empirical relationships between the seismo-ionospheric disturbances and the earthquake magnitude and the epicentral distance are obtained and found to be similar to those previously published for other case studies.

The large lead times found for the ionospheric anomalies occurrence may confirm a rather long earthquake preparation period. The possibility of using the relationships obtained for earthquake prediction is finally discussed.

Citation: Perrone, L., De Santis, A., Abbattista, C., Alfonsi, L., Amoruso, L., Carbone, M., Cesaroni, C., Cianchini, G., De Franceschi, G., De Santis, A., Di Giovambattista, R., Marchetti, D., Pavòn-Carrasco, F. J., Piscini, A., Spogli, L., and Santoro, F.: Ionospheric anomalies detected by ionosonde and possibly related to crustal earthquakes in Greece, Ann. Geophys., 36, 361-371, https://doi.org/10.5194/angeo-36-361-2018, 2018.
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Short summary
Ionosonde data and crustal earthquakes with magnitude M ≥ 6.0 observed in Greece during the 2003–2015 period were examined. The ionospheric anomalies are identified on the observed variations of the sporadic E-layer parameters and foF2 at the Athens observatory. The empirical relationships between ionospheric anomalies and the earthquake magnitude and the epicentral distance are obtained. The possibility of using the relationships obtained for earthquake prediction is finally discussed.
Ionosonde data and crustal earthquakes with magnitude M ≥ 6.0 observed in Greece during the...
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