NATIONAL AND KAPODISTRIAN UNIVERSITY OF ATHENS FACULTY OF GEOLOGY & GEOENVIRONMENT DEPARTMENT OF GEOPHYSICS & GEOTHERMICS Laboratory of Remote Sensing.

Slides:

Advertisements

Similar presentations

The Geoscience Australia’s Online GPS Processing Service (AUSPOS)

Advertisements

USEReST - Naples 2008 Terrain Deformation Monitoring with PSInSAR TM Marco Bianchi Sensing the planet Marco Basilico

Magnitude 7.1 NEAR THE EAST COAST OF HONSHU, JAPAN Thursday, April 7, 2011 at 14:32:41 UTC Japan was rattled by a strong aftershock and tsunami warning.

March 25, 2002EarthScope CSIT Workshop Data Archiving and IT Issues for PBO Douglas Neuhauser UC Berkeley Seismological Lab Northern California Earthquake.

ALOS PALSAR interferometry of Taupo Volcanic Zone, New Zealand Sergey Samsonov 1,3, John Beavan 1, Chris Bromley 2, Bradley Scott 2, Gill Jolly 2 and Kristy.

Key Stage 5 - Volcano Eruption!

WHAT COULD BE THE NEXT EARTHQUAKE DISASTER FOR JAPAN  A difficult question, but ---  It is the one that was being asked long before the March 11, 2011.

MARSITE - ISTANBUL. MARSITE started on November 1 st, It is a three-year project. MARsite has been funded for about 6M€. The first months are dedicated,

Pierre Briole1, Panagiotis Elias2, Giuseppe Puglisi3, Makoto Murakami4

Wells, Nevada Earthquake February 21, 2008 A 6.0 magnitude earthquake strikes the northeastern edge of the Basin and Range.

Magnitude VIRGINIA 2011 August 23 17:51:03 UTC Department of Geology and Planetary Science, University of Pittsburgh Seismic records from the University.

Employment of a Permanent Monitoring GPS Network at the Seismic Area of Volvi, Greece P. D. Savvaidis, I. M. Ifadis Aristotle University of Thessaloniki,

USEReST Workshop - Naples, Italy, November 11-14, 2008 The SiGRiS pilot project: producing value-added, EO-based information for the management of the.

Main activities WP3.a: Repeated GPS WP3.b: Continuous GPS WP3.c: Systematic interferometry analysis of incoming SAR images WP3.d : Modelling.

GPS – Global Positioning System Space segment Control segment user segment 32 satellites World wide monitor and control stations.

Using Geodetic Rates in Seismic Hazard Mapping March 30, Geodetic and Geologic slip rate estimates for earthquake hazard assessment in Southern California.

Designing the configuration of the Geodetic-Geodynamic Network in Israel Gilad Even-Tzur Department of Mapping and Geo-Information Engineering Faculty.

Volcano Monitoring: MAUNA LOA ( GG130 ) Geophysics (Deformation via GPS and InSAR, Seismicity, etc. )

Remote Earthquake Triggering: (Fault) Failure is Not Always an Option Heather Savage and Emily Brodsky UC Santa Cruz.

UNIVERSITY OF ATHENS Faculty of Geology and Geoenvironment Department of Geophysics and Geothermics A. Agalos (1), P. Papadimitriou (1), K. Makropoulos.

Time-series InSAR with DESDynI: Lessons from ALOS PALSAR Piyush Agram a, Mark Simons a and Howard Zebker b a Seismological Laboratory, California Institute.

Naples, November 2008 Second workshop on Use of Remote Sensing Techniques for Monitoring Volcanoes and Seismogenic Areas (USEReST 2008). 1 Athanassios.

The 09/03/2010 Darfield Earthquake and its Aftershocks, Including the 02/21/2011 Christchurch Event Educational Slides Created & Compiled by Gavin Hayes.

VII. Earthquakes A.Introduction B.Source of seismic energy C.Propagation of seismic energy D.Recording earthquakes E.Magnitude scales.

DGF – Santiago, Chile – Geodesy and Geodynamics By Christophe Vigny National Center for scientific Research (CNRS) & Ecole Normale Supérieure (ENS)

The role of the GEO Geohazards Community of Practice for the Supersites Initiative The role of the GEO Geohazards Community of Practice for the Supersites.

Remote Sensing & Geodesy. What is remote sensing? History of satellite remote sensing Satellite orbits Geophysical Examples: Multispectral, GPS, Radar/INSAR,

Sarah E. Minson California Institute of Technology Benjamin A. Brooks, Jessica R. Murray U.S. Geological Survey Susan E. Owen Jet Propulsion Laboratory.

Remote Sensing and Active Tectonics Barry Parsons and Richard Walker Michaelmas Term 2011 Lecture 4.

IGARSS 2011 – July, Vancouver, Canada Investigating the seismic cycle in Italy by multitemporal analysis of ALOS, COSMO-SkyMed and ERS/Envisat DInSAR.

HTDP: A tool to correct survey data for tectonic motion Chris Pearson, National Geodetic Survey Richard Snay, National Geodetic Survey Rob McCaffrey, Troy.

Seismic Hazard Assessment for the Kingdom of Saudi Arabia

A Short Primer on Earthquake Magnitudes Alan Kafka Weston Observatory Department of Geology and Geophysics Boston College.

IV. The seismic cycle Taiwan Lab.

Urs Wegmüller Gamma Remote Sensing AG, Gümligen, Switzerland Monitoring Alpine Transportation Infrastructures Using Space Techniques.

Space Geodesy (1/3) Geodesy provides a foundation for all Earth observations Space geodesy is the use of precise measurements between space objects (e.g.,

Geohazard Supersites and Natural Laboratories Report to DLR Falk Amelung, GEO task leader September 2011.

Inside Earth Chapter 2 Earthquakes 2.2 Earthquakes and Seismic Waves.

Geothermal Energy Patrick (Pat) Laney Idaho National Laboratory Utah Geothermal Power Generation Workshop August 17, 2005.

The basic results and prospects of MEE algorithm for the medium-term forecast of earthquakes Alexey Zavyalov Schmidt Institute of Physics of the Earth.

Plus an Introduction to the: Institute of Earth Science & Engineering RESOURCE INDEX MAPPING: Getting the Right Data for the Right Model.

Maya ILIEVA 1,2,3, Rana CHARARA 1,3, Pierre BRIOLE 3 1 University “Pierre and Marie Curie” Paris – 6, France 2 Bulgarian Academy of sciences, Laboratory.

Deformation Analysis in the North American Plate’s Interior Calais E, Purdue University, West Lafayette, IN, Han JY,

NE Caribbean and Hispaniola = major plate boundary, 2 cm/yr relative motion Strike-slip + convergence partitioned between 3 major fault systems Apparent.

Testing intraplate deformation in the North American plate interior E. Calais (Purdue Univ.), C. DeMets (U. Wisc.), J.M. Nocquet (Oxford and IGN) ● Is.

NATURAL HAZARDS LABORATORY UNIVERSITY OF ATHENS GREECE Natural Hazards Laboratory, Faculty of Geology and Geoenvironment, National and Kapodistrian University.

The January 2010 Efpalio earthquake sequence in Western Corinth Gulf: epicenter relocations, focal mechanisms, slip models The January 2010 Efpalio earthquake.

Yuehua Zeng & Wayne Thatcher U. S. Geological Survey

The Mw 7.6, Kashmir Earthquake of October 8, 2005.

Geodetic Deformation, Seismicity and Fault Friction Ge Sensitivity of seismicity to stress perturbations, implications for earthquakes nucleation.

05/12/1005/08/ Lec Lec Principles of the Global Positioning System Lecture 23 Prof. Thomas Herring Room ;

Does the Scaling of Strain Energy Release with Event Size Control the Temporal Evolution of Seismicity? Steven C. Jaumé Department of Geology And Environmental.

David Schmidt Ray Weldon Reed Burgette Randy Krogstad Haiying Gao

Thessaloniki Continuous Reference GPS Station: Initial Estimation of Position P.Savvaidis, I. Ifadis, K. Lakakis Laboratory of Geodesy Department of Civil.

Southern California Earthquake Center The Community Geodetic Model (CGM) Jessica Murray, U.S. Geological Survey (SCEC4) Rowena Lohman, Cornell University.

What is inside here?. Process of Investigation: Teams of Seismologists develop a model of earth’s interior which is to compared to one developed by teams.

Troy Gyant. WWK  How scientists use geophysical methods, new conceptual interpretations of data and analysis of geography to study the geosphere.

Alexandros Savvaidis, PhD.

Analysis of the Ms=6.2, June 15, 1995 Aigion earthquake(Greece) :

Velocities in ITRF – not appropriate for interpretation

module Using DInSAR to assess vertical ground motions at Tide Gauges

Geothermal Energy By Arielle.

Towards a modernized geodetic datum for Nepal: Options for developing an accurate terrestrial reference frame following the April 25, 2015 Mw7.8 Gorkha.

Acoustic Reflection 2 (distance) = (velocity) (time) *

Find the velocity of a particle with the given position function

Department of Geology and Geological Engineering

The role of seismic tomography for the Earthquake Early Warning system

LABORATORY OF PROCESS ENGINEERING

Extreme meteorological events in the Mediterranean regions

Presentation transcript:

NATIONAL AND KAPODISTRIAN UNIVERSITY OF ATHENS FACULTY OF GEOLOGY & GEOENVIRONMENT DEPARTMENT OF GEOPHYSICS & GEOTHERMICS Laboratory of Remote Sensing GROUND DEFORMATION STUDIES IN CEPHALONIA ISLAND (WESTERN GREECE) BASED ON DGPS & PS INTERFEROMETRY Evangelos Lagios, Vassilis Sakkas, Fabrizio Novali, Alfio Fumagalli & Sara Del Conte

The Central Ionian Islands GPS Networks 24 bench marks in Cephalonia 14 bench marks in Zakynthos 4 bench marks in Ithaca

Seismic Activity (M > 3.6) Seismic Activity 2006–Present (M > 3.6)

Lefkas Earthquake August 14, 2003 Mw = 6.3 Zakynthos Seismic Activity March- April 2006

Cephalonia Island 24 GPS bench marks

DGPS Results

PSInSAR TM product of Cephalonia Island Processed by Tele-Rilevamento Europa (TRE) ERS descending: ERS descending: 39 images 39 images 4/19/ /27/2000 4/19/ /27/2000 ENVISAT descending: ENVISAT descending: 21 images 21 images 6/25/ /5/2008 6/25/ /5/2008

Reference Station (No 06) ITRF 2005

ERS PS Descending (1992 – 2000) Velocity Field (mm/yr)

ENVISAT PS Descending ( ) Velocity Field (mm/yr)

ERS Velocity Standard Deviation

ENVISAT Velocity Standard Deviation

V < 0 α < 0 V < 0 α > 0 V > 0 α < 0 V > 0 α > 0 PS Time-Series

ERS Acceleration Field V < 0V > 0

ENVISAT Acceleration Field V < 0V > 0

PS TIME-SERIES

Identification of Critical Area based on Observed Seismic Energy Released Star indicates the center of the two circles indicating Low (inside small circle) and High seismic energy release (area between the two circles).

Identification of Critical Area based on Modelling of Observed Seismic Accelerating Strain

Critical Time Estimation based on Temporal Analysis of Seismicity

Critical Time Estimation based on Accelerating Seismicity