crustal structure and tectonic deformation of the cyclades revealed from deep seismic soundings –...
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Crustal Structure and Tectonic Deformation of the Cyclades revealed
from Deep Seismic Soundings The Kythnos-Chios Seismic Profile
Jannis Makris1 & Joanna Papoulia2
1Professor em. of Geophysics, Director GeoPro GmbH, [email protected]
2 Geologist, Research Director, Institute of Oceanography, [email protected]
source – air guns
OBS Ocean Bottom Seismograph
WARRP - Offshore
Receivers
Sources
The GEOPRO Ocean Bottom Seismograph
OBS
www.geopro.com
Το Καταγραφικό SEDIS VI A Compact Digital Recorder for Active and Passive Seismics
Πόντιση OBS από το Ω/Κ ΑΙΓΑΙΟ
Deployment of OBS from R/V AEGAEO
The Air gun array
Terminology of Crustal Seismic Phases
• Ps : Vp of sediments• Pg : Vp of upper crust• Pn : Vp of upper mantle at Moho level• PmP : Wide Angle reflection at
crust/mantle boundary (Moho)• PiP : Intracrustal reflection from
Conrad discontinuity
Gridded Tomography
Layered Tomography
Forward ModelingFinal Velocity Model
Wave-Equ. Migrationof Reflected and Refracted Energy
Wide Aperture Reflection Refraction Profiling
Cyclades – Depth Migration
Papoulia & Makris, 2010
Bohnfoff et al., 2006
Makris, Papoulia & Yegorova, 2012
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