NATIONAL AND KAPODISTRIAN UNIVERSITY OF ATHENSNATIONAL AND KAPODISTRIAN UNIVERSITY OF ATHENS
LABORATORY OF REMOTE SENSING

 

 

 

 

 

                     Sakkas, V. 2021. "Ground Deformation Modelling of the 2020 Mw6.9 Samos Earthquake (Greece) Based on InSAR and GNSS Data" Remote Sens. 13, no. 9: 1665. https://doi.org/10.3390/rs13091665

             Tzanis, A., Chailas, S., Sakkas, V., Lagios, E., 2020. Tectonic deformation in the Santorini Volcanic Complex (Greece) as inferred by joint analysis of Gravity, Magnetotelluric and DGPS Observations Geophys. J. Int.  220, 461489. doi: 10.1093/gji/ggz461

 

             V. J. Dietrich, E. Lagios & G. Zographos (2019). 12,800 years ago, Hellas and the World on Fire and Flood. Journal of Geography and Earth Sciences. June 2019, Vol. 7, No. 1, pp. 78-109.

ISSN 2334-2447 (Print) 2334-2455 (Online)

Copyright © The Author(s). All Rights Reserved.

Published by American Research Institute for Policy Development

DOI: 10.15640/jges.v7n1a9

URL: https://doi.org/10.15640/jges.v7n1a9

                     Tzanis,  A.,  Sakkas,  V.  and  Lagios,  E.,  2018Magnetotelluric  Reconnaissance  of  the  Nisyros  Caldera  and  Geothermal  Resource  (Greece).  In:  Dietrich,  V.J.  and  Lagios,  E.  (eds),  Nisyros Volcano: The Kos - Yali - Nisyros Volcanic Field,  Springer Verlag, 203-225; doi: 10.1007/978-3-319-55460-0_6; Preprint. 

 

                     Tzanis  A.,  Sakkas,  V.  and  Lagios  E.,  2018Magnetotelluric  Reconnaissance  of  the  Nisyros Caldera  and  Geothermal  Resource  (Greece).  In:  Dietrich,  V.J.  and  Lagios,  E.  (eds),  Nisyros Volcano: The Kos - Yali - Nisyros Volcanic Field,  Springer Verlag, 203-225; doi: 10.1007/978-3-319-55460-0_6; Preprint. 

 

 

             V.J. Dietrich, E. Lagios, E. Reusser, V. Sakkas, E. Gartzos, K. Kyriakopoulos (2017). The Zerelia Twin-Lakes (Central Greece): Two Possible Meteorite Craters. LAP LAMBERT Academic Publishing. ISBN-13: 978-3-659-64693-5, 116p.

 

Meteorite craters on Earth are attractive phenomena, since they represent places of impact material from outer space and allow studying the physical effects of the impact on the Earths surface and environment: such as the case of meteoritic finding insights of the solar system. Two circular permanent lakes of 150 m and 250 m in diameter and both 6 to 8 m depth, occur 250 m apart from each other in the agricultural fields near Almyros Town (Thessaly) in central Greece. This picturesque site is known as the Neolithic Magoula Zerelia settlement on a hill between the lakes. For the first time, the lakes were investigated by a geological and geophysical study to elucidate the enigmatic nature of the lakes due to possible volcanic eruptions, an underground hydrothermal or gas explosion, simple karst doline depressions or a meteoritic impact. Mineralogical and chemical studies on a large number of samples from the embankments favour the hypothesis of a meteoritic impact, the first meteorite craters in Greece. In addition, modelled negative gravity anomalies confirmed rootless bowl-type structures down to about 150 m for the eastern lake and down to about 250 m for the western lake.

 

             V.J. Dietrich, E. Lagios (eds.) 2017. Nisyros Volcano. The Kos - Yali - Nisyros Volcanic Field. Active Volcanoes of the World. Springer International Publishing. ISBN: 978-3-319-55458-7, eBook ISBN: 978-3-319-55460-0, 339 p. DOI 10.1007/978-3-319-55460-0.

 

This book presents the first compilation of scientific research on the island of Nisyros, involving various geoscientific disciplines. Presenting a wealth of illustrations and maps, including a geological map of the volcano, it also provides valuable insights into the geothermal potential of Greece.

The island of Nisyros is a Quaternary volcano located at the easternmost end of the South Aegean Volcanic Arc. The island is nearly circular, with an average diameter of 8 km, and covers an area of approximately 42 km2. It lies above a base of Mesozoic limestone and a thin crust, with the mantle-crust transition located at a depth of approximately 27 km. The volcanic edifice of Nisyros comprises a succession of calc-alkaline lavas and pyroclastic rocks, as well as a summit caldera with an average diameter of 4 km.

 Nisyros marks the most recent volcano in the large prehistoric volcanic field between Kos-Yali-Strongyli-Pyrgousa-Pachia-Nisyros, where the largest eruption (Kos Plateau Tuff) in the history of the eastern Mediterranean devastated the Dodecanese islands 161,000 years ago. Although the last volcanic activity on Nisyros dates back at least 20,000 to 25,000 years, it encompasses an active hydrothermal system underneath the volcano with temperatures of roughly 100C at the Lakki plain, the present-day caldera floor and 350C at a depth of 1,550 m. 

A high level of seismic unrest, thermal waters and fumarolic gases bear testament to its continuous activity, which is due to a large volume of hot rocks and magma batches at greater depths, between 3,000 and 8,000 m. Violent hydrothermal eruptions accompanied by major earthquakes occurred in 1873 and 1888 and left behind large, world-wide unique explosion craters in the old caldera. Through diffuse soil degassing, the discharge of all hydrothermal craters in the Lakki plain releases 68 tons of hydrothermal-volcanic derived CO2 and 42 MW of thermal energy per day. This unique volcanic and hydrothermal environment is visited daily by hundreds of tourists.

 

             Sakkas, V., Garcia, M., Bianchi, M., Lagios, E., 2018 "SqueeSAR Analysis Based on Sentinel-1 Data in the Seismic Active Area of Patras Gulf (W. Greece) IGARSS 2018-2018 IEEE International Geoscience and Remote Sensing Symposium,208-211, IEEE DOI: 10.1109/IGARSS.2018.8517814

 

             Sakkas V, Lagios E. (2017). Ground Deformation Effects from the ~M6 Earthquakes (2014-2015) on Cephalonia-Ithaca Islands (W. Greece) deduced by GPS Observations, Acta Geophysica (doi.: 10.1007/s11600-017-0017-x)

             Sakkas V, Novali F, Ferretti A, Lagios E (2017) Ground Deformation Monitoring of Nisyros Volcano (SE Greece) based on Space Geodesy and SqueeSAR Interferometric Technique, Geophysical Research Abstracts Vol. 19, EGU2017-2627, EGU General Assembly 2017.

             Tzanis A, Sakkas V, Lagios E. (2017) High Resolution Magnetotelluric Imaging of the Nisyros Caldera and Geothermal Resource (Greece) Geophysical Research Abstracts, Vol. 19, EGU2017-4922, EGU General Assembly 2017.

             Sakkas V., Novali F., Lagios E., Ferretti A., Vassilopoulou S., Bellotti F.Allievi J. (2015). Combined Squee-SARTM and GPS Ground Deformation Study of Nisyros-Yali Volcanic Field (Greece) for Period 2002-2012. Geosciences and Remote Sensing Symposium (IGARSS) 2015 IEEE International, Milan Italy, pp. 4672-4675.

             Sakkas V., Lagios E., Vassilopoulou S., Adam N. (2015). Ground Deformation in the Broader  Area of the Atalanti Fault Zone (Central Greece) Based On GPS & PSI-WAP. Geosciences and Remote Sensing Symposium (IGARSS) 2015 IEEE International, Milan Italy, pp. 4676-4679.

             Sakkas, V., and Lagios, E. (2015). Fault Modelling of the Early-2014 ~M6 Earthquakes in Cephalonia Island (W. Greece) Based on GPS Measurements, Tectonophysics, DOI 10.1016/j.tecto.2015.01.010.

           Supplementary Material

 

             Sakkas, V., Novali, F., Lagios, E., Bellotti, F., Vassilopoulou, S., Damiata B.N., Allievi, J. (2014) Ground Deformation Study of Kos Island (SE Greece) Based on Squee-SarTM Interferometric Technique,  Geosciences and Remote Sensing Symposium (IGARSS), 2014 IEEE International, Quebec Canada, pp. 4319-4322.

             Sakkas, V., Novali, F., Lagios, E., Vassilopoulou, S., Damiata, B.N., Fumagalli, A. (2014) Ground Deformation of Zakynthos Island (Western Greece) Observed by PSI and DGPS,  Geosciences and Remote Sensing Symposium (IGARSS), 2014 IEEE International, Quebec Canada, pp. 4792-4795.

             Kaviris, G., Sakkas, V., Papadimitriou, P., Lagios, E., Karakonstantis, A., Kapetanidis, V., Kravvariti, P., Voulgaris, N., & Makropoulos K., (2014) Seismic Anisotropy And Ground Deformation Results In The Santorini Volcanic Complex, Second European Conference on Earthquake Engineering and Seismology, Istanbul , Turkey.

             Sakkas, V., Adam, N., Papadimitiou, P., Voulgaris, N., Vassilopoulou, S., Damiata, B.N., Lagios, E., Stramondo, S., (2013) Ground Deformation Study of Broader Area of Patras Gulf (W. Greece) using PSI-WAP, DGPS and Seismicity Analyses,  ESA Living Planet Symposium, Edinburgh, UK.

             Sakkas, V., Novali, F., Vassilopoulou, S., Damiata, B.N., Fumagalli, A., Lagios, E. (2013) Combined PSI and Differential GPS Study of Zakynthos Island (W. Greece) for the period 1992-2012,  ESA Living Planet Symposium, Edinburgh, UK.

             Lagios E., Sakkas V., Novali F., Bellotti F., Ferretti A., Vlachou K. & Dietrich V. (2013).  SqueeSARTM and GPS Ground Deformation Monitoring of Santorini Volcano (1992-2012): Tectonic Implications. Tectonophysics, 594,  38-59 , doi:10.1016/j.tecto.2013.03.012.

Suplementary Material : (i) KML File (GPS stations, Mogi Sources) (ii) PDF File (extra information about Santorini Gravity, GPS & Interferometric results)

             Vassilopoulou, S., Sakkas, V., Wegmuller U., Capes, R., (2013). Long term and seasonal ground deformation monitoring of Larissa Plain (Central Greece) by Persistent Scatterer Interferometry. Central European Journal of Geosciences, 5/1, 61-76, doi:10.2478/s13533-012-0115-x.

             Papadimitriou, P., Chousianitis, K., Agalos, A., Moshou, A., Lagios, E., Makropoulos, K. (2012). The spatially extended 2006 April Zakynthos (Ionian Islands, Greece) seismic sequence and evidence for stress transfer. Geophysical Journal International, 190 (2), pp. 1025-1040

             Lagios E., Novali F., Sakkas V., Vlachou K., Bellotti F., Giannico C. & Ferretti A (2012). SqueeSARTM & GPS Ground Deformation Monitoring (1992-2012) of Santorini Volcano (Greece). AGU Fall meeting 2012,  San Francisco (USA).

             Sakkas, V., Lagios, E., Vlachou, K., Novali, F., Bellotti, F., Giannico, C., Sigmundsson, F. (2012). Monitoring the "Unrest" Period (2010-2012) of Santorini volcano (Greece) by SqueeSAR & GPS measurements. VOLSAM 2012 - Volcanism of the Southern Aegean in the frame of the broader Mediterranean area, 10-12 October 2012, Santorini Island, Greece.

             Sakkas, V. & Lagios E., (2012). Nisyros Volcano: Updating the ground deformation. VOLSAM 2012 - Volcanism of the Southern Aegean in the frame of the broader Mediterranean area, 10-12 October 2012, Santorini Island, Greece.

             Chailas S., Tzanis A., Lagios E. (2012). Internal structure of the Santorini Volcanic Complex determined by interpretation of gravity and magnetotelluric data. VOLSAM 2012 - Volcanism of the Southern Aegean in the frame of the broader Mediterranean area, 10-12 October 2012, Santorini Island, Greece.

             Kassaras I.,  Karakonstantis A., Vlachou K., Kapetanidis V., Kaviris G., Papadimitriou P., Voulgaris N., Lagios E. and Makropoulos K., (2012). Study of the Geodynamics in Aitoloakarnania (W. Greece) based on joint Seismological and GPS Data. Book of Abstracts, 33rd ESC General Assembly, Moscow, Russia, p. 164-165.

             Novali F., Bellotti F.,Giannico C.,  Lagios E., Sakkas V., Vlachou K., (2012). Ground Deformation of Santorini Volcano (1992-2012) based on SqueeSARTM Analysis and GPS Measurements.  International Forum on Satellite Earth Observation for Geohazards Risk Management on 21-23 May 2012 , ESA.

             Lagios E. (2012). Ground Deformation in Cephalonia Island (Western Greece). International Forum on Satellite Earth Observation for Geohazards Risk Management on 21-23 May 2012, ESA

             Lagios E., Papadimitriou P., Novali F., Sakkas V., Fumagalli A., Vlachou K.,& Del Conte S. (2012). Combined Seismicity Pattern Analysis, DGPS and PSInSAR Studies in the Broader Area of Cephalonia (Greece). Tectonophysics, vol. 524-525,  43-58

             Lagios, E., Sakkas, V., Novali, F., Fumagalli, A., Del Conte., S., (2011), Ground Deformation Studies In Cephallonia Island (Western Greece) Based on  DGPS  &  PS  Interferometry, Geosciences and Remote Sensing Symposium (IGARSS), 2011 IEEE International, Vancouver Canada, 10.1109/IGARSS.2011.605008

             Vlachou, K., Sakkas V., Papadimitriou, P., Lagios., E.,  (2011). Crustal Deformation Studies in the Seismically Active Area of Patras Gulf (Greece), Geoscience and Remote Sensing Symposium (IGARSS), 2011 IEEE International, Vancouver Canada, 10.1109/IGARSS.2011.6050082.

             A. Ganas, E. Lagios, G. Petropoulos, & B. Psiloglou (2010). Thermal imaging of Nisyros volcano (Aegean Sea) using ASTER data: estimation of radiative heat flux. International Journal of Remote Sensing, V31 (No 15), 4033-4047.

             M. Foumelis, I. Parcharidis, E. Lagios, N Voulgaris (2009). Evolution of post-seismic ground deformation of the Athens 1999 earthquake observed by SAR interferometry.  Journal of Applied Geophysics . doi.10.1016/j.jappgeo.2009.02.007 

             D. Raucoules, I. Parcharidis, D. Feurer, F. Novalli, A. Ferretti, C. Carnec, E. Lagios, V. Sakkas, S. Le Mouelic, G. Cooksley and S. Hosford (2008). Ground deformation detection of the broader area of Thessaloniki (Northern Greece) using radar interferometry techniques. Nat. Hazards Earth Syst. Sci., 8, 779788.

             -Poscolieri , M., Gregori, G.P., Lagios E.,  Marson, I., Lupieri , M., Paparo, G., Parcharidis, I., Sakkas, V., Ventrice, G. (2008). Crustal stress monitoring in the Cephallonia Island (Western Greece) on the basis of a multi-parametric Approach. Geophysical Research Abstracts, Vol. 10, EGU2008-A-00000, 2008 EGU General Assembly.

             Lagios E., Sakkas V., Papadimitriou P., Damiata B.N., Parcharidis I., Chousianitis K. & Vassilopoulou S. (2007). Crustal deformation in the Central Ionian Islands (Greece): Results from DGPS and DInSAR analyses (1995-2006). Tectonophysics, vol. 444, 119-145.

             Lagios, E., Vassilopoulou, S., Sakkas, V., Dietrich, V., Damiata, B.N. & Ganas, A. (2007). Testing of Satellite and Ground Thermal Imaging of Low-Temperature Fumarolic Fields: The Dormant Nisyros Volcano (Greece). ISPRS Journal of Photogrammetry and Remote Sensing, 62/2, 447-460.

             Meju, M.A. and Sakkas, V. (2007). Heterogeneous crust and upper mantle across southern Kenya and the relationship to surface deformation as inferred from magnetotelluric imaging. Journal Geophysical Research, 112, B04103.

             Papageorgiou E., Lagios E., Vassilopoulou S. and Sakkas V. (2007). Vertical and Horizontal Deformation of Santorini Island deduced by DGPS Measurements. Proc. 11th Intern. Conf. Geol. Soc. Greece, May, Athens, Greece, 40/3, 1219-1225.

             Vassilopoulou Sp., Chousianitis K., Sakkas V., Damiata B. & Lagios E. (2007). GIS Development for Ground Deformation Data Management: A case study in Cephallonia Island (Western Greece). Proc. 11th Intern. Conf. Geol. Soc. Greece, May, Athens, Greece, 40/4, 2070-2081.

             Papageorgiou E., Vassilopoulou S., Lagios E. (2007). Implementation of GIS in Environments with Observed Ground Deformation. (Proceedings in press of the 8th Hellenic Geographical Congress, Athens, 4-7 October, 2007).

             Chailas S., Tzanis A. & Lagios E. (2007). Structure of the Marathon Basin based on Gravity Measurements. Proc. 11th Intern. Conf. Geol. Soc. Greece, May, Athens, Greece, 40/3, 10631073.

             Papadopoulos T.D., Goulty N., Voulgaris N., Alexopoulos J.D., Fountoulis I., Kambouris P., Karastathis V., Peirce C., Chailas S., Kassaras J., Pirli M., Goumas G. & Lagios E. (2007). Tectonic Structure of Central-Western Attica (Greece) based on Geophysicsl Investigations Preliminary Results. Proc. 11th Intern. Conf. Geol. Soc. Greece, May, Athens, Greece, 40/3, 1207-1218.

             Vassilopoulou S., Chousianitis K., Sarantidis, A., Oikonomou A., Sakkas V., Damiata, B.N. and Lagios E. (2007): Development of a GIS System to Analyze Ground and Satellite Data of Zakynthos Island. (Proceedings in press of the 8th Hellenic Geographical Congress, Athens, 4-7 October, 2007).

             Parcharidis, Is., Lagios, E., Sakkas, V., Raucoules, D., Feurer, D., Le Mouelic, S., King, C., Carnec, C., Novali, F., Ferretti, A., Capes, R. & Cooksley G. (2006). Subsidence monitoring within the Athens Basin (Greece) using space radar interferometric techniques. Earth, Planets and Space Journa, 58, 505-513.

             Poscolieri M., Lagios E., Gregori G., Paparo G., Sakkas V., Parcharidis I., Marson I.,  Soukis K., Vassilakis E., Angelucci F.  & Vassilopoulou S. (2006). Crustal stress and seismic activity in the Ionian Archipelago as inferred by combined satellite- and ground-based observations, Cephallonia, Greece.  In: Fractal Analysis for Natural Hazards. Cello G. & Malamud B.D. (Eds), Geological Society, London, Special Publications, 261, 63-78.

             Lagios E, Sakkas V., Parcharidis Is. & Dietrich V. (2005). Ground Deformation of Nisyros Volcano (Greece) for the period 1995-2002: Results from DInSAR and DGPS observations.Bull.  Volcanology, 68, 201-214.

             Lagios E., Parcharidis Is., Foumelis M. & Sakkas V. (2005). Ground deformation monitoring of the Santorini Volcano using Satellite Radar Interferometry. Proc. 2nd International Conference on Recent Advances in Space Technologies, 667-672.

             Foumelis M., Raucoules D., Parcharidis Is., Feurer D., Le Mouelic S., King C., Carnec C. & Lagios E. (2005).  Spatial correlation between interferometric stacking pattern deformation and damage distribution of Athens 7-9-1999 earthquake and its seismic sequence. Proc. 5th Intern. Symposium Remote Sensing of Urban Areas (URS 2005), 4 pages (cd).

             Galanopoulos D., Sakkas V, Kosmatos D. & Lagios E. (2005). Geoelectric Investigation of the Hellenic Subduction Zone using Long Period Magnetotelluric Data. Tectonophysics, 409, 73-84.

             Parcharidis Is., Foumelis M., Sakkas V. & Lagios E (2005). Deformation Monitoring in Kos Island (Hellenic Volcanic Arc, Eastern Greece) using Differential Interferometry. IGARSS 2005, 4, 2899-2902.

             Parcharidis Is., Zare M., Foumelis M. & Lagios E. (2005). Seismotectonic investigation on the Bam Earthquake prone area (Iran) based on ASAR Interferometry. Proc. 2nd International Conference on Recent Advances in Space Technologies, 1, 673-677.

             Lagios E. , V. Sakkas, I. Parcharidis, Vassilopoulou, S., M. Poscolieri, G. P. Gregori & G. Paparo (2004).  Ground deformation deduced by DGPS, DInSAR, AE and DEM analysis in Cephallonia Island.  Proc.  8th World Multi-conference on Systemics, Cybernetics and Informatics, SCI 2004, July 18 - 21 2004, Orlando (USA), CD series, pp. 1-6.

             Sakkas V, Lagios E, Parcharidis Is, Soukis K & Vassilakis E. (2004). Ground Deformation deduced by DGPS and DInSAR in Cephallonia Island. Proc. 10th Intern. Congress Geol. Soc. Greece, Vol. of extended abstracts, p. 582-583.

             Parcharidis Is., Lagios E. & Sakkas V. (2004). Differential Interferometry as a tool of an early warning system in reducing the Volcano risk: The case of Nisyros Volcano. 10th  Intern. Congress Geological Society of Greece, Thessaloniki, Vol. of extended abstracts, 546-547.

             Lagios E., Parcharidis I., Sakkas V., Feurer D., Raucoules D., LE Mouelic S., King C., Nec C., Ovali N., Ferretti A., Capes R., & Geraint C. (2004). Human induced subsidence monitoring of Athens using advanced Space Radar Interferometric techniques: Preliminary results, 10th  Intern. Congr. Geol. Soc. Greece, Thessaloniki, Vol. of extended abstracts, 463-464.

             Vassilopoulou, S., Ganas, A., Sakkas, V. & Lagios, E. (2004). Surface Temperature Monitoring of Nisyros Volcano (Greece) using Space and Ground Techniques, 10th  Intern. Congr. Geol. Soc. Greece, Thessaloniki, Vol. of extended abstracts, 648-649.

             Raucoules D., Lagios E., Parcharidis Is., Sakkas V., Feurer D., Le Mouelic S., King C., Carnec C., Novali F., Ferretti A., Capes R., Cooksley G. (2004). Subsidence in the Athens Basin monitored by InSAR, Geophysical Research Abstracts, Vol. 6, 07046.

             Foumelis M., Racoules D., Parcharidis Is., Feurer D., Le Mouelic S. King C., Carnec C. & Lagios E. (2004). Spatial correlation between Interferometric Stacking pattern deformation & damage distribution of the Athens 7-9-1999 earthquake and its seismic sequence. IGARRS 2004

             Sakkas V., Lagios E., Parcharidis Is., Soukis K. & Vassilakis E. (2004). Ground Deformation deduced by DGPS and DInSAR in Cephallonia Island, 10th  Intern. Congr. Geol. Soc. Greece, Thessaloniki, Vol. of extended abstracts, 582-583.

             Sakkas, V., Pirli, M., Vassilopoulou, S., Kaviris, G., Kranis, Ch., Voulgaris, N., Papadimitriou, P., Lagios, E. & Makropoulos, K. (2004): Crustal Deformation in the Broader Atalanti Area (Greece). XXIX General Assemply of the European Seismological Commission. Potsdam, Germany, Sept. 12-17, 2004 (abstract).

             Ganas A. & Lagios E. (2003). LANDSAT7 Night Imaging of the Nisyros Volcano, Greece. Int. J. Remote Sensing, vol. 24, No. 7, 1579-1586.

             Lagios E., Sakkas V., Parcharidis Is. & Vassilopoulou S. (2002).  Surface displacement model of Nisyros Volcanic Field deduced from DInSAR analysis & DGPS measurements, Proc. 11th  General Assembly of Wegener Project (CD Proc.), 10 p.

             Vassilopoulou S., Hurni L., Dietrich V., Baltsavias M., Pateraki M., Lagios E., Parcharidis Is. (2002). Ortho-Photo Generation using IKONOS-2 Imagery and High Resolution DEM: A case study on Monitoring the Volcanic Hazard on Nisyros Island (Greece), ISPRS Journal of Photogrammetry and Remote Sensing, 57, 24-38.

             Sakkas V., Meju M.A. Khan M.A., Haak V., Simpson F., (2002). Magnetotelluric Images of the crustal structure of Chyulu Hills volcanic field, Kenya, Tectonophysics 346, 169-185

             Parcharidis Is., Sakkas V., Ganas A. & Katopodi A. (2002). A production of digital elevation model (DEM) by means of SAR Tandem images in a volcanic landscape and its quality assessment. Proc. 6th Pan-Hellenic Geographical Conference, vol. II, 201-207.

             Ganas A., Lagios E. & Tzannetos N. (2002). An Investigation into the Spatial Accuracy of the IKONOS 2 Ortho-imagery within an Urban Environment. Int. J. Remote Sensing, 23/17, 3513-3519.

             Vassilopoulou S. & Lagios E. (2002). The Use of the Ortho-Images in Geo-environmental Applications: The Ortho-Ikonos 2 Image f Nisyros Island (Greece). Proc. 6th Hellenic Geographical Congress, v. , 95-101.

             Ganas A., Lagios E., Dietrich J.V., Vassilopoulou S., Hurni L., Stavrakakis G. (2002). Interferometric Mapping of Ground Deformation in Nisyros Volcano, Aegean Sea, during 1995-1996.Proc. 6th Hellenic Geographical Congress, v. , 135-142.

             Parcharidis Is., Lagios E. & Levanti A. (2002). Earthquake Damage Assessment Using Space Techniques, Proc. 6th Hellenic Geographical Congress, v. , 208 215.

             Antonopoulos A., Chailas S. & Lagios E. (2002). Comparison of Height Systems in the Hellenic Area, Geomatics Research Australasia, No. 76, 93-104.

             Vassilopoulou, S. (2002): The use of Remote Sensing Satellite Data in Geodynamics: Image Processing of LANDSAT 5, TM and SPOT/PAN satellite images, of Northern Argolis Peninsula. 6th Hellenic Geographical Congress, v. , p. 102-109.

             Ganas A., Stavrakakis G., Lagios E., Papadopoulos G. & Pavlidis S. (2001). Investigations of the Seismic fault that ruptured during the 7/9/1999 Athens Earthquake using Space Techniques, Remote Sensing & Photogrammetry Society, Dept. Trade & Industry, Conference Center, London UK, Sept. 12-14. 

             Parcharidis I. & Lagios E. (2001). Deformation in Nisyros Volcano (Greece) Using Differential Interferometry. Bull. Geol. Soc. Greece, 34/4, 1587-1594.

             Ganas A., Lagios E. & Stavrakakis G. (2001). Computer Techniques for Imaging Earthquake Deformation using Satellite Data and Digital Elevation Models, Bull. Geol. Soc. Greece, 34/5, 2033-2038.

             Lagios E., Dietrich V., Stavrakakis G., Parcharidis I., Sakkas V. & Vassilopoulou S.  (2001). Will Nisyros Volcano (GR) Become Active? Seismic Unrest and Crustal Deformation, European Geologist, Vol. 12, 44-50.

             Vassilopoulou, S. & Hurni, L. (2001): The Use of Digital Elevation Models in Emergency and Socio-Economic Planning: A Case Study at Kos Yali Nisyros - Tilos Islands, Greece. 20th International Cartographic Conference, Beijing, China. Chinese Society of Geodesy, Photogrammetry and Cartography, pp. 3424-3431.

             Parcharidis I., Lagios E. & Psomiadis E. (2001). Multi- temporal Hazard Assessment in a High Flash flood Risk Area Using RS/GIS Techniques: The Case of Hymettus Mt. (Athens). Bull. Geol. Soc. Greece, 34/5, 2055-2062.

             Vassilopoulou, S. (2001): PROANA A Useful Tool For Terrain Analysis and Geoenvironmental Applications An Example of Studying the Geodynamic Evolution of Argolis Peninsula, Greece. .20th International Cartographic Conference, Beijing, China. Chinese Society of Geodesy, Photogrammetry and Cartography, pp. 3432-3440.

 

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