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https://doi.org/10.31905/EOMEXYX6

Submission date: 10-04-2026

Revised NOA Earthquake Catalogue of the 2025 Santorini Seismic Sequence (26 January - 28 February 2025)

Vasileios Karastathis ⁽¹⁾, Fevronia Gkika ⁽²⁾, Eleni Daskalaki ⁽³⁾, Georgia Panopoulou ⁽⁴⁾, Antonia Papageorgiou ⁽⁵⁾, Petros Lantzourakis ⁽⁶⁾, Fanouris Halaris ⁽⁷⁾, Dimitrios Venizelos ⁽⁸⁾, Marina Athanasopoulou ⁽⁹⁾, Spyridon Liakopoulos ⁽¹⁰⁾, Spyridon Poulimenos ⁽¹¹⁾, Alexandros Rigopoulos ⁽¹²⁾, Maria Tzortzopoulou ⁽¹³⁾, Marinos Charalampakis ⁽¹⁴⁾, Loukas Doukas ⁽¹⁵⁾, Kalliopi-Elli Fragouli ⁽¹⁶⁾, Dimitrios Makaris ⁽¹⁷⁾, Tatiana Novikova ⁽¹⁸⁾, Sotirios Sboras ⁽¹⁹⁾, Efstratios Vogiannis ⁽²⁰⁾, Konstantinos Boukouras ⁽²¹⁾, Ioannis Fountoulakis ⁽²²⁾, Christos P. Evangelidis ⁽²³⁾,

(1) Institute of Geodynamics of the National Observatory of Athens
(2) Institute of Geodynamics of the National Observatory of Athens
(3) Institute of Geodynamics of the National Observatory of Athens
(4) Institute of Geodynamics of the National Observatory of Athens
(5) Institute of Geodynamics of the National Observatory of Athens
(6) Institute of Geodynamics of the National Observatory of Athens
(7) Institute of Geodynamics of the National Observatory of Athens
(8) Institute of Geodynamics of the National Observatory of Athens
(9) Institute of Geodynamics of the National Observatory of Athens
(10) Institute of Geodynamics of the National Observatory of Athens
(11) Institute of Geodynamics of the National Observatory of Athens
(12) Institute of Geodynamics of the National Observatory of Athens
(13) Institute of Geodynamics of the National Observatory of Athens
(14) Institute of Geodynamics of the National Observatory of Athens
(15) Institute of Geodynamics of the National Observatory of Athens
(16) Institute of Geodynamics of the National Observatory of Athens
(17) Institute of Geodynamics of the National Observatory of Athens
(18) Institute of Geodynamics of the National Observatory of Athens
(19) Institute of Geodynamics of the National Observatory of Athens
(20) Institute of Geodynamics of the National Observatory of Athens
(21) Institute of Geodynamics of the National Observatory of Athens
(22) Institute of Geodynamics of the National Observatory of Athens
(23) Institute of Geodynamics of the National Observatory of Athens

Brief Description: The Institute of Geodynamics of the National Observatory of Athens compiled a revised earthquake catalogue for the Santorini sequence that began on 26 January 2025. The dataset covers the period 26 January to 28 February 2025 and includes 18,151 events. It is based on 646,033 P- and S- phase picks and 163,340 amplitude measurements, all manually reviewed during continuous monitoring. This dataset was first presented at IASPEI Lisbon by Karastathis et al. 2025. A total of 235 events has MLh ≥ 4.0. The maximum reported magnitude is MLh 5.3. Full solutions can be found at https://www.gein.noa.gr/en/.

Corresponding Author:

Fevronia Gkika

Licence

CC-BY 4.0

Download File:

gkika_1.zip File size: 344K

File Contents:

readme.txt

NOA_RevisedEarthquakeCatalogue_Santorini_26012025_28022025.out

Cite as:

Karastathis, V., Gkika, F., Daskalaki, E., Panopoulou, G., Papageorgiou, A., Lantzourakis, P., Halaris, F., Venizelos, D., Athanasopoulou, M., Liakopoulos, S., Poulimenos, S., Rigopoulos, A., Tzortzopoulou, M., Charalampakis, M., Doukas, L., Fragouli, K., Makaris, D., Novikova, T., Sboras, S., Vogiannis, E., Boukouras, K., Fountoulakis, I., Evangelidis, C. (2025). Revised NOA Earthquake Catalogue of the 2025 Santorini Seismic Sequence (26 January - 28 February 2025), ISC Seismological Dataset Repository, https://doi.org/10.31905/EOMEXYX6

The International Seismological Centre (ISC) is a Charitable Incorporated
Organization (CIO) registered with The Charity Commission for England
and Wales. Registered charity number: 1188971.

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