T51G
Tectonic, Magmatic, and Geodynamic Studies of Extensional Processes: Applications in Iceland and the Nubia-Somalia-Arabia Plate System III Posters

Friday, 18 December 2015: 08:00-12:20
Poster Hall (Moscone South)
Primary Conveners:  Cory A Reed, Missouri University of Science and Technology, Rolla, MO, United States
Conveners:  Tyrone O Rooney, Michigan State University, East Lansing, MI, United States, Ian D Bastow, Imperial College London, London, United Kingdom and Sarah Stamps, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
Chairs:  Sarah Stamps, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States and Cory A Reed, Missouri University of Science and Technology, Rolla, MO, United States
OSPA Liaisons:  Sarah Stamps, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
 
Style of Plate Spreading Derived from the 2008-2014 Velocity Field Across the Northern Volcanic Zone of Iceland (79897)
Vincent Drouin1, Freysteinn Sigmundsson1, Sigrun Hreinsdottir2, Benedikt Ofeigsson3, Erik Sturkell4 and Pall Einarsson1, (1)University of Iceland, Nordic Volcanological Center, Institute of Earth Sciences, Reykjavik, Iceland, (2)GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand, (3)Icelandic Meteorological Office, Reykjavik, Iceland, (4)University of Gothenburg, Gothenburg, Sweden
 
Deformation derived from GPS geodesy associated with Bárðabunga 2014 rifting event in Iceland (80023)
Benedikt Ofeigsson1, Sigrun Hreinsdottir2, Freysteinn Sigmundsson3, Hildur María Friðriksdóttir1,3, Michelle Parks3, Stephanie Dumont3, Thora Arnadottir4, Halldor Geirsson5, Andrew J Hooper6, Matthew J Roberts7, Sigurjon Jonsson8, Peter Lafemina9, Erik Sturkell10, Richard A Bennett11, Gunnar Guðmundsson7, Kristin Jonsdottir1 and Sara Barsotti12, (1)Icelandic Meteorological Office, Reykjavik, Iceland, (2)GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand, (3)University of Iceland, Nordic Volcanological Center, Institute of Earth Sciences, Reykjavik, Iceland, (4)University of Iceland, Reykjavik, Iceland, (5)European Center for Geodynamics and Seismology, Walferdange, Luxembourg, (6)University of Leeds, COMET, School of Earth and Environment, Leeds, United Kingdom, (7)Icelandic Met Office, Reykjavik, Iceland, (8)King Abdullah University of Science and Technology, Thuwal, Saudi Arabia, (9)he Pennsylvania State University, Department of Geosciences, University Park, PA, United States, (10)University of Gothenburg, Gothenburg, Sweden, (11)University of Arizona, Tucson, AZ, United States, (12)Icelandic Meteorological Office, Monitoring and forecasting, Reykjavik, Iceland
 
Middle Miocene rifting and volcanic history of the Berufjordor- Breiddalur region, eastern Iceland revealed by 40Ar/39Ar geochronology (85711)
Phillip B Gans, University of California Santa Barbara, Department of Earth Science, Santa Barbara, CA, United States, Robert Askew, University of Iceland, Institute of Earth Science, Reykjavik, Iceland and Thor Thordarson, University of Iceland, Faculty of Earth Sciences, Reykjavik, Iceland
 
Rayleigh-wave imaging of upper-mantle shear velocities beneath the Malawi Rift; Preliminary results from the SEGMeNT experiment (64092)
Natalie J Accardo1, James B Gaherty2, Donna J Shillington3, Andrew Nyblade4, Cynthia J Ebinger5, Gabriel John Mbogoni6, Patrick R.N. Chindandali7, Gabriel Daudi Mulibo8, Richard Ferdinand-Wambura8 and Godson Kamihanda6, (1)Columbia University, New York, NY, United States, (2)Organization Not Listed, Washington, DC, United States, (3)Columbia University of New York, Palisades, NY, United States, (4)Penn St Univ, University Park, PA, United States, (5)University of Rochester, Rochester, NY, United States, (6)Geological Survey of Tanzania, Dodoma, Tanzania, (7)Geological Survey of Malawi, Zomba, Malawi, (8)University of Dar es Salaam, Dar es Salaam, Tanzania
 
Upper mantle P-wave velocity structure beneath northern Lake Malawi and the Rungwe Volcanic Province, East Africa (86347)
Ashley Nichole Grijalva, Pennsylvania State University Main Campus, University Park, PA, United States
 
Strain Accommodation and its Relationship to Pre-existing Structures along the Karonga Fault, Malawi (74362)
Sam Dawson1, Daniel A Laó-Dávila2, Estella A Atekwana2, Bryan Clappe1, Tiara Johnson1, Courtney D Hull1, Victor Nyalugwe3, Mohamed G Abdelsalam2, Patrick R.N. Chindandali3 and Jalf Salima3, (1)Oklahoma State University Main Campus, Stillwater, OK, United States, (2)Oklahoma State University, Boone Pickens School of Geology, Stillwater, OK, United States, (3)Geological Survey of Malawi, Zomba, Malawi
 
Crustal Structure in Northern Malawi and Southern Tanzania surrounding Lake Malawi and the Rungwe Volcanic Province (79953)
David Borrego1, Marsella Kachingwe2, Andy Nyblade1, Donna J Shillington3, James B Gaherty4, Cynthia J Ebinger5, Natalie J Accardo6, John Paul O'Donnell2, Gabriel John Mbogoni7, Gabriel Daudi Mulibo8, Patrick R.N. Chindandali9, Felix Mphepo9, Richard Ferdinand-Wambura8 and Gabrielle Tepp5, (1)Pennsylvania State University Main Campus, University Park, PA, United States, (2)Penn State University, Chicago, IL, United States, (3)Columbia University of New York, Palisades, NY, United States, (4)Organization Not Listed, Washington, DC, United States, (5)University of Rochester, Rochester, NY, United States, (6)Columbia University, New York, NY, United States, (7)Geological Survey of Tanzania, Dodoma, Tanzania, (8)University of Dar es Salaam, Dar es Salaam, Tanzania, (9)Geological Survey of Malawi, Zomba, Malawi
 
Seismicity of southern Lake Tanganyika (68899)
Aude Lavayssiere1, Ryan James Gallacher2, Derek Keir1, Cynthia J Ebinger3, Connor Drooff3, Mtelela Khalfan4 and Jonathan M Bull1, (1)University of Southampton, Southampton, United Kingdom, (2)National Oceanography Centre, Glasgow, United Kingdom, (3)University of Rochester, Rochester, NY, United States, (4)University of Dar es Salaam, Dar es Salaam, Tanzania
 
Crustal Structure at a Young Continental Rift: A Receiver Function Study from Lake Tanganyika (69169)
Isabel Dos Santos Hodgson, University of Southampton, Southampton, SO14, United Kingdom
 
Mantle Flow Implications across Easter and Southern Africa from Shear Wave Splitting Measurements (80968)
Cristo Ramirez, Pennsylvania State University Main Campus, University Park, PA, United States, Andrew Nyblade, Penn St Univ, University Park, PA, United States, Brian C Bagley, University of Minnesota Twin Cities, Minneapolis, MN, United States, Gabriel Daudi Mulibo, University of Dar es Salaam, Dar es Salaam, Tanzania, Fred Tugume, Geological Survey Department, Entebbe, Uganda, Michael Edward Wysession, Washington Univ, Saint Louis, MO, United States, Douglas Wiens, Washington University in St Louis, Department of Earth and Planetary Sciences, St. Louis, MO, United States and Mark van der Meijde, University of Twente, Enschede, Netherlands
 
CRUSTAL STRUCTURE BENEATH THE LUANGWA RIFT, ZAMBIA: CONSTRAINTS FROM POTENTIAL FIELD DATA (81478)
Estella A Atekwana1, Kitso Matende1, Mohamed G Abdelsalam2, Kevin Lee Mickus3, Eliot A Atekwana1, Stephen S Gao4, Osbert Sikazwe5, Kelly Hong Liu4, Robert L Evans6 and Scientific Team of Project PRIDE, (1)Oklahoma State University Main Campus, Stillwater, OK, United States, (2)Oklahoma State University, Boone Pickens School of Geology, Stillwater, OK, United States, (3)Southwest Missouri State Univ, Springfield, MO, United States, (4)Missouri University of Science and Technology, Rolla, MO, United States, (5)University of Zambia, Geology, Lusaka, Zambia, (6)Woods Hole Oceanographic Institution, Geophysics, Woods Hole, MA, United States
 
Seismological Investigations of Crustal and Mantle Structures Beneath the Incipient Okavango Rift (64000)
Youqiang Yu1, Kelly Hong Liu1, Cory A Reed1, Stephen S Gao1, Moikwathai Moidaki2, Kevin Lee Mickus3 and Estella A Atekwana4, (1)Missouri University of Science and Technology, Rolla, MO, United States, (2)university of botswana, gaborone, botswana, Botswana, (3)Southwest Missouri State Univ, Springfield, MO, United States, (4)Oklahoma State University Main Campus, Stillwater, OK, United States
 
Mapping Extensional Structures in the Makgadikgadi Pans, Botswana with remote sensing and aeromagnetic data: Implication for the continuation of the East African Rift System in southern Africa (84091)
Evin James Fetkovich, Oklahoma State University Main Campus, Stillwater, OK, United States
 
Deep Magma Accumulation at Nyamulagira Volcano in 2011 Detected by GNSS Observations (78988)
Kang Hyeun Ji1, Sarah Stamps2, Halldor Geirsson3, Niche Mashagiro4, Muhindo Syauswa4, Benjamin Kafudu4, Josue Subira4 and Nicolas d'Oreye3, (1)KIGAM Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea, (2)Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, (3)European Center for Geodynamics and Seismology, Walferdange, Luxembourg, (4)Goma Volcano Observatory, Goma, Congo
 
Surface Wave Analysis of Regional Earthquakes in the Eastern Rift System (Africa) (77705)
Sarah Jaye Coros Oliva1,2, Mariangela Guidarelli1, Cynthia J Ebinger3 and Steven W Roecker4, (1)Abdus Salam International Center for Theoretical Physics, Trieste, Italy, (2)University of Rochester, Earth and Environmental Sciences, Rochester, NY, United States, (3)University of Rochester, Rochester, NY, United States, (4)Rensselaer Polytechnic Inst, Troy, NY, United States
 
Fault Kinematics and Seismic Anisotropy Patterns in the Natron-Magadi Basins, Africa (80769)
Alexander Weinstein, University of Rochester, Rochester, NY, United States
 
Images of the East Africa Rift System from the Joint Inversion of Body Waves, Surface Waves, and Gravity: Investigating the Role of Magma in Early-Stage Continental Rifting (70829)
Steven W Roecker1, Cynthia J Ebinger2, Christel Tiberi3, Gabriel Daudi Mulibo4, Richard Ferdinand-Wambura4, Alfred Muzuka5, Mtelela Khalfan4, Gladys Kianji6, Stephanie Gautier7, Julie Albaric7 and Sophie Peyrat8, (1)Rensselaer Polytechnic Inst, Troy, NY, United States, (2)University of Rochester, Rochester, NY, United States, (3)University of Montpellier II, Montpellier Cedex 05, France, (4)University of Dar es Salaam, Dar es Salaam, Tanzania, (5)Nelson Mandela Institute of Science and Technology, Arusha, Tanzania, (6)University of Nairobi, Nairobi, Kenya, (7)Géosciences Montpellier, Montpellier Cedex 05, France, (8)Geosciences Montpellier, UMR5242, Universite Montpellier 2, Montpellier, France
 
What the Spatial Correlation of He Isotope and Seimic Velocity Anomalies Implies for Rifting and Volatile Sources in Ethiopia and Afar (70725)
Brian M House, Scripps Institution of Oceanography, La Jolla, CA, United States
 
Seismic Migration Imaging of the Lithosphere beneath the Afar Rift System, East Africa (76651)
Timothy Ting-Yu Lee1, Chin-Wu Chen1, Catherine Rychert2 and Nicholas Harmon3, (1)National Taiwan University, Taipei, Taiwan, (2)University of Southampton, Southampton, SO14, United Kingdom, (3)University of Southampton, Southampton, United Kingdom
 
Characteristics of seismicity in Eritrea (2011-2012): Implications for rifting dynamics (70098)
Berhe Goitom1, James O S Hammond2, Michael J- Kendall3, Ghebrebrhan Ogubazghi4, Derek Keir5, Atalay Ayele6 and Finnigan Illsley-Kemp5, (1)University of Bristol, Bristol, United Kingdom, (2)Imperial College London, London, United Kingdom, (3)University of Bristol, School of Earth Sciences, Bristol, United Kingdom, (4)Eritrea Institute of Technology, Asmara, Eritrea, (5)University of Southampton, Southampton, United Kingdom, (6)Addis Ababa University, Institute of Geophysics, Space Science, and Astronomy, Addis Ababa, Ethiopia
 
Magmatic Plumbing at an Incipient Oceanic Spreading Centre: Evidence From Local Earthquake Data in Northern Afar (69725)
Finnigan Illsley-Kemp1, Derek Keir2, Jonathan M Bull2, Atalay Ayele3, James O S Hammond4, Michael J- Kendall5, Ryan James Gallacher6, Thomas Gernon6 and Berhe Goitom5, (1)University of Southampton, Southampton, SO14, United Kingdom, (2)University of Southampton, Southampton, United Kingdom, (3)Addis Ababa University, Institute of Geophysics, Space Science, and Astronomy, Addis Ababa, Ethiopia, (4)Imperial College London, London, United Kingdom, (5)University of Bristol, Bristol, United Kingdom, (6)National Oceanography Centre, Glasgow, United Kingdom
 
Assessment of Late Quaternary strain partitioning in the Afar Triple Junction: Dobe and Hanle grabens, Ethiopia and Djibouti (66312)
Sean G Polun1, Morgan B Stockman1, Kelly Hickcox1, David Horrell1, Samson Tesfaye2 and Francisco G Gomez1, (1)University of Missouri Columbia, Dept. Geological Sciences, Columbia, MO, United States, (2)Lincoln Univ-Coop Reseacrh, Jefferson City, MO, United States
 
Initial results of receiver function analysis across the Ethiopian Plateau: Where does the broad deformation end? (80197)
Diego Alonso Quiros1, Katie M Keranen1, Sisay Alemayehu2 and Atalay Ayele2, (1)Cornell University, Ithaca, NY, United States, (2)Addis Ababa University, Institute of Geophysics, Space Science, and Astronomy, Addis Ababa, Ethiopia
 
Variations in Shear Wave Splitting Beneath Southern Arabia and the Gulf of Aden (74433)
Ryan James Gallacher1, Caroline M Eakin2, Derek Keir1, Sylvie D Leroy3, Graham William Stuart4, Nicholas Harmon1 and Abdulhakim Ahmed5, (1)University of Southampton, Southampton, United Kingdom, (2)University of Southampton, Ocean and Earth Science, National Oceanography Centre, Southampton, United Kingdom, (3)University Pierre and Marie Curie Paris VI, istep, Paris, France, (4)University of Leeds, Leeds, LS2, United Kingdom, (5)ISTeP Institut des Sciences de la Terre de Paris, Paris Cedex 05, France
 
Red Sea Kinematics in Relation to the Regional Tectonics Setting (78837)
Thamer Alotaibi, Pennsylvania State University Main Campus, University Park, PA, United States
 
New Measurements of Shear-wave Splitting at Volcanic Fields, Western Saudi Arabia (76228)
Siwen Chen1, Walter D Mooney2, Judith Suzuki3, Hani M. Zahran4 and Salah Y. El-Hadidy4, (1)US Geological Survey, Menlo Park, CA, United States, (2)USGS California Water Science Center Menlo Park, Menlo Park, CA, United States, (3)Cornell University, Ithaca, NY, United States, (4)Saudi Geological Survey, Jeddah, Saudi Arabia
 
CCP Receiver-Function Imaging of the Moho beneath Volcanic Fields in Western Saudi Arabia (73545)
Alexander Robert Blanchette1,2, Walter D Mooney3, Simon L Klemperer4, Hani M. Zahran5 and Salah Y. El-Hadidy5, (1)Stanford Earth Sciences, Stanford, CA, United States, (2)USGS, Menlo Park, CA, United States, (3)USGS California Water Science Center Menlo Park, Menlo Park, CA, United States, (4)Stanford University, Stanford, CA, United States, (5)Saudi Geological Survey, Jeddah, Saudi Arabia
 
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