Conference talks
Conference talks
Day 1
Session 1: Recent activity in Afar
Witnessing the birth of a new ocean? The first 6 years of the Dabbahu rifting episode, and other activity in Afar (4.4MB) Tim Wright (*); Atalay Ayele; Talfan Barnie; Manahloh Belachew; Eric Calais; Cindy Ebinger; Lorraine Field; Ian Hamling; James Hammond; Derek Keir; Elias Lewi; Carolina Pagli; and colleagues in the Afar Rift Consortium
Co- to Post-diking deformation in the Manda-Hararo rift (Afar, Ethiopia): insights from high-resolution InSAR time-series (217MB) Anne Socquet (*); Raphaël Grandin; Stéphanie Dumont; Cécile Doubre; Eric Jacques; Yann Klinger
Timing and dynamics of dike intrusions in an incipient seafloor-spreading segment in Afar, Ethiopia: seismicity patterns and source mechanisms Manahloh Belachew (*); C. Ebinger; D. Coté; D. Keir; J.V. Rowland; J. O.S. Hammond; A. Ayele
Three-dimensional time-varying crustal velocity and strains in the Afar triangle (1.90MB) Carolina Pagli (*); Tim J. Wright; Hua Wang; Eric Calais; Laura Bennati; Elias Lewi
Mantle magma chamber imaged magnetotellurically beneath an active magmatic segment in Afar, Ethiopia (1.63MB) M. Desissa; N. E. Johnson; K. A. Whaler (*); S. Hautot; S. Fisseha; G. J. K. Dawes and the rest of the Afar Rift Consortium
Monitoring volcanic activity in Afar using geostationary satellites (2MB) Talfan Barnie (*); Clive Oppenheimer
Age and petrogenesis of young basalt lavas from the Dabbahu-Mando Hararo Rift segment (1MB) David Ferguson; David Pyle (*); Andrew Calvert; Jon Blundy; Gezahegn Yirgu
Session 2: Structure and origins of Afar
Interplay between tectonics and magmatism during the last stages of continental breakup: the Manda-Hararo rift segment, Afar, Ethiopia (2.14MB) Sarah Medynski (*); Raphaël Pik; Peter Burnard; Lydéric France; Alice Williams; Charlotte Vye; Dereje Ayalew; Gezahegn Yirgu
Melt distribution between the crust and mantle beneath the Dabbahu-Manda Hararo rift segment, Afar, from 3D magnetotelluric imaging (2.1MB) Sophie Hautot (*); Nick Johnson; Mohammednur Desissa; Kathy Whaler; Graham Dawes; Shimeles Fisseha
Mapping the evolving strain field during continental breakup from crustal anisotropy in the Afar Depression (1MB) Derek Keir (*); Manahloh Belachew; Cindy Ebinger; Mike Kendall; James Hammond; Graham Stuart; Atalay Ayele; Julie Rowland
A comparison of seismic anisotropy and geoelectric strike around the Manda-Hararo magmatic segment, Afar Nick Johnson (*); Derek Keir; Kathy Whaler; Sophie Hautot
Magmatic differentiation at Dabbahu Volcano, Afar (28MB) L. Field; J. Blundy (*); A. Calvert ; G. Yirgu
Origin of Mafic- Peralkaline Silicic Plume Volcanism in the Dabbahu-Manda-Hararo Rift, Afar Depression (2.7MB) Arundhuti Ghatak; Asish R.Basu (*); Cynthia J. Ebinger; Haibo Zou
Session 3: Magmatic rifting in Iceland
Anatomy of Iceland's Volcanoes: Crustal Deformation and Magma Movements Freysteinn Sigmundsson
Magma Plumbing during the Krafla Rifting Episode of 1974-1989 Páll Einarsson (*); Bryndís Brandsdóttir
Tracking melt with earthquakes in the Askja volcanic system, Iceland (18.2MB) Janet Key (*); Michael Mitchell; Robert White; Heidi Soosalu
Dynamics of dyke intrusion in the northern volcanic rift zone of Iceland (2.47MB) Robert S. White (*); Key, A. J. , Soosalu, H. & Jakobsdóttir, S. S.
The fissure swarms of the Northern Volcanic Rift Zone, Iceland (3.6MB) Ásta Rut Hjartardóttir (*); Páll Einarsson
Using microearthquakes to track repeated magma intrusions beneath the Eyjafjallajökull volcano, Iceland (23.6MB) Jon Tarasewicz (*); Bob White; Bryndis Brandsdottir
Dynamics of dyke propagation and patterns of dyke-induced seismicity (5.5MB) Eleonora Rivalta (*); Torsten Dahm; Francesco Maccaferri; Luigi Passarelli
Session 4: Resources from magmatic rifts 1
Keynote: Research on the tectonic and magmatic development of the Ethiopian Rift System and its contributions to geothermal resources exploration and development (1MB) Getahun Demissie
A new epithermal gold discovery: Megenta, Tendaho, Afar Depression (2.6MB) David J. Hall
Exploration of the Butiaba-Victoria-Nile Play, Albert Rift Basin Uganda Nordine Sabaou (*); Paul Burden; Shane Cowley
State of the art geophysical data acquisition; the first step to unlocking the petroleum potential of the volcanically influenced eastern arm of the East African Rift Keryn Simpson
Day 2
Session 1: Geohazards
Keynote: Volcanic hazards of rift environments (7.6MB) Katharine V Cashman
Mapping and characterising volcanic risk (0.5MB) R.S.J. Sparks (*); W.P. Aspinall; M. Auker; S.Crosweller; T. Hincks; S. Mahony; F. Nadim; J. Pooley; E. Syre
Pulses of deformation reveal frequently recurring shallow magmatic activity beneath the Main Ethiopian Rift (3.6MB) Juliet Biggs (*); Ian Bastow; Derek Keir; Elias Lewi; Cindy Ebinger; Elizabeth Anthony
Seismic and geodetic evaluation of earthquake and volcanic hazards in East Africa (3MB) Cynthia J. Ebinger (*); N. James Lindsey; Atalay Ayele; Manahloh Belachew
Remote detection and monitoring of volcanic eruptions in the East African Rift (4MB) Simon Carn (*); David Fee; Fred Prata
Development of central volcanoes and rift axial volcanism in the Manda-Hararo rift segment, Afar, Ethiopia (2.5MB) C. Vye (*); B. Napier; K. Smith; S. Medynski
Seismicity and the Tendaho Dam Safety (1MB) A. Ayele (*); C. Alstyne; C. Ebinger; M. Belachew
Session 2: Mid-ocean ridge processes
Keynote: Magmatic processes at Mid-Ocean Ridges: insights from a recently erupting segment of the East Pacific Rise (1.6MB) Suzanne Carbotte
November 2010 Earthquake Swarm – Western Gulf of Aden (1.02MB) A. Ahmed (*); C. Doubre; S. Leroy; J. Perrot; L. Audin; F. Rolandone; D. Keir; I. Al-Ganad; K. Khanbari; K. Mohamed; J. Vergne; E. Jacques; A. Nercessian
Initiation of dike intrusion episodes on spreading centers; Krafla (Iceland), Dabahu (Afar, Ethiopia) and 9°N on the East Pacific Rise (1.7MB) W. Roger Buck
Mantle anisotropy at mid-ocean ridges: What does it tell us about rifting processes? (1.9MB) Michael Kendall (*); Andy Nowacki; James Wookey
Insights into the Spatial and Temporal Geometry of Subaxial Magma Reservoirs and Diking Processes from Individual Volcanic Eruptions along Mid-Ocean Ridges (6.36MB) John Sinton (*); Ken Rubin; Karl Grönvold
Session 3: Kinematics, dynamics and structure in Afar and Asal
The crustal structure of Afar: what does it tell us about rift evolution? (11MB) Graham W. Stuart (*); James O. S. Hammond; J-Michael Kendall; Mariangela Guidarelli; Anna Stork; Derek Keir; Atalay Ayele; David Thompson; Manahloh Belachew; Cynthia Ebinger
Counterclockwise block rotation linked to southward right-stepping propagation and overlap of the red sea rift segments at the nascent passive margin, Afar Depression: Insight from paleomagnetism (3MB) Tesfaye Kidane (*); Amha Atnafu; Julie Rowland
The Gravity Field and the Divergent Boundary at the Afar Depression E. Lewi (*); Y. Birhanu; E.Calais; T. Wright; T. Haile
Dallol Volcano and Danakil Depression, Ethiopia (13.2MB) Tadiwos Chernet
Sustained magmatic inflation and fault movement in the Asal-Goubbet Rift observed using 11 years of radar interferometry data (11MB) Gilles Peltzer (*); Cecile Doubre; Jelena Tomic
The lithospheric structure beneath mature continental rifts : New insights from a dense seismic profile across the Asal-Ghoubbet rift (Djibouti) (1.41MB) Jérôme Vergne; Cécile Doubre (*); Kassim Mohamed; Alain Dujardin
Kinematics of rift propagation throughout the Tadjoura-Ghoubbet connection zone, western Gulf of Aden, Republic of Djibouti Mohamed Ahmed Daoud (*); Bernard Le Gall; René Maury; Joel Rolet; Philippe Huchon; Hervé Guillou
Session 4: Mantle-lithosphere interactions
Keynote: Lithospheric structure, mantle flow and the state of stress of Africa (16MB) Carolina Lithgow-Bertolloni
Seismically imaging the upper mantle beneath the northern East-Africa rift system (77MB) James O. S. Hammond (*); J-Michael Kendall; Graham W. Stuart; Catherine Rychert; Anna Stork; Cynthia Ebinger; Derek Keir; Mariangela Guidarelli; Atalay Ayele; Ian Bastow; Manahloh Belachew; Dave Thompson
The Thermo-Chemical State of the East African Mantle Tyrone O. Rooney (*); Ian D. Bastow; Claude Herzberg
The Thermal regime of the Arabian plate, Red Sea and Gulf of Aden (2.4MB) Frederique Rolandone (*); Francis Lucazeau; Sylvie Leroy
Seismically Imaging Destruction of Continental Lithosphere beneath the Ethiopian and Afar Rift Systems (3.2MB) Catherine A. Rychert (*); James O. S. Hammond; Nicholas Harmon; J. Michael Kendall; Derek Keir; Cynthia Ebinger; Ian Bastow; Atalay Ayele; Manahloh Belachew; Graham Stuart
Sub-rift magmatic mantle processes beneath the western branch of the EARS - A key to understanding highly modified lithosphere beneath the Tanzania craton Klemens Link (*); Stephen F. Foley; Georg Rümpker; Ingo Wölbern; John V. Tiberindwa; Erasmus Barifaijo
Day 3
Session 1: Rifting and Climate
Climatic and tectonic interactions in the East African rift system: The view from the Lake Malawi basin Andrew S. Cohen (*); Ramon Arrowsmith; Sarah Ivory; Scott J. Robinson; Marina B. Foster; Kelin Whipple; Arjun Heimsath
The Lake Malawi Scientific Drilling Project: Long-term records of extension and magmatism in the western branch of the Great Rift Christopher A. Scholz
Climate model studies on the impact of tectonics and Earth's orbital changes on African climate Kerstin Prömmel (*); Ulrich Cubasch; Frank Kaspar
Landscape evolution of the Rwenzori Mts and adjacent Albertine Rift, from low-temperature thermochronology Friederike U. Bauer (*); Ulrich A. Glasmacher; Uwe Ring; Andreas Schumann; Betty Nagudi; Matthias Starz; Markus Karl; René W. Grobe; Vikandy S. Mambo
Session 2: Resources from magmatic rifts 2 - Geothermal
Relation of geothermal activity to volcanism in extensional settings, and the resulting characteristics of associated epithermal ore systems (5.2MB) Jeffrey W. Hedenquist
New geothermal exploration advancements in the Republic of Djibouti Mohamed Jalludin
Geotourism in Afar and the Ethiopian Rift Valley (4.2MB) Frances Williams
Session 3: Continental rifting and continental margins
Keynote: Tectono-Magmatic Evolution of Atlantic Type Rifted Margins (9.2MB) Gianreto Manatschal
Morpho-tectonic evolution and significance of the marginal graben system along the southern Red-Sea margin (Ethiopia) (21.6MB) Raphaël Pik (*); Dereje Ayalew
Magma evolution during the course of extension along a segment of the West Afar margin (Ethiopia) (0.6MB) Dereje Ayalew (*); Raphael Pik
The 1989 Dôbi earthquake sequence: propagation of seismic normal faulting along the Dôbi Graben (Central Afar) (63MB) Jacques E. (*); T. Kidane; P. Tapponnier; I. Manighetti; L. Audin; Y. Gaudemer; B. Meyer; J.C. Ruegg; R. Armijo
A nascent volcanic rifted margin along the Asal-South Danakil rift segment, SE Afar. Structural evidence from the Makarassou fault-flexure (2.2MB) Bernard Le Gall (*); Mohamed Ahmed Daoud; Joel Rolet; Nima Moussa Egueh
Extension by faulting, stretching and magma intrusion in Ethiopia (7.8MB) Ian Bastow(*); Derek Keir; J-Michael Kendall; Graham Stuart; Sylvana Pilidou
Session 4: Active magmatic rifting
The role of melt induced lithospheric weakening on the dynamics of continental rifting (1.50MB) Harro Schmeling (*); Herbert Wallner
Evidence for melt infiltration of the mantle lithosphere beneath the East African Rift from receiver functions, seismic anisotropy, and petrological modeling Ingo Wölbern; Georg Rümpker (*); Klemens Link; Forough Sodoudi; Arthur Batte; Benjamin Homuth
Two Decades of InSAR Observations in the Kivu Basin, Western Branch of East African Rift (1.51MB) Nicolas d'Oreye (*); Sergey Samsonov; Valerie Cayol; Christelle Wauthier; François Kervyn
A Rare Magmatic Event on the other side of the Red Sea: The 2009 Dyke Intrusion and Seismic Crisis in Harrat Lunayyir, western Saudi Arabia (3.21MB) Sigurjon Jonsson
Multiple dyke injection events in Afar: Numerical modelling of the heat flow equation Katherine A. Daniels (*); Thierry Menand; R. Stephen J. Sparks
Answers still awaited to some Ethiopian tectonic provocations (1.5MB) Paul Mohr