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13 sonar data Application to the Mariana arc In twodimensional 2D marine seismicreection surveys outofplane rough seaoor bathymetry can cause multiple oceanbottom reections that complicat. Seismic velocities – P & S. Relationship to elastic moduli. Seismic anisotropy. . -- directional variation in seismic velocity. Seismic Attenuation – 1/. Q. p. & 1/Q. s. . -- What is seismic attenuation?. Stephan . Husen. , Edi . Kissling. , Claudia . Ryser. , Martin . Lüthi. , Martin Funk, Ginny Catania, Lauren Andrews, . Katrin. . Plenkers. Fabian Walter. 1. , . Philippe Roux. 1. , Claudia Röösli. A Comparison to Seismic Reflection…. Covered very briefly in Chapter 14, pgs. 227-231. Transmitter/Receiver Vs. Geophones. Seismic Reflection. One source. Lots of geophones. Stacking and Velocity performed in one step. ’. s Transportable Array. AGU, Fall 2008. Chuck Ammon, Penn State. Bob Woodward, IRIS. Kevin Furlong, Penn State Thorne Lay, UC Santa Cruz. EarthScope USArray Transportable Array. 2004. 2013. The Transportable Array will occupy 1600 sites across the contiguous US. Surveying: . Predicting . Earthquake. Hazard; Finding Geothermal Energy. John N. . Louie. Nevada . Seismological . Lab. oratory. Dept. of Geological Sciences & Engineering. www.seismo.unr.edu. Why do I care. Earthquake. – shaking and trebling that results from the movement of rock beneath Earth’s surface.. Plate movement causes earthquakes from stress and faults in Earth’s crust. When the rock breaks earthquakes happen. November 2012 Istanbul, Turkey. C. . Neagoe. , L.M. . Manea. and C. Ionescu. National Institute for Earth Physics, . Magurele-Ilfov. , Romania. . In . February 1977, the Department of Seismology from the Romanian Geophysical and Geological Institute (GGI) together with the Laboratory of Geodynamics of the Romanian Academy formed the Centre of the Earth Physics (CEP). In 1994, after a governmental decision, CEP was transformed in the National Institute for Earth Physics (NIEP). NIEP is coordinated by the Romanian Ministry of Education, Research, Youth and Sport. . What we can learn from. what we can’t feel. Celeste Labedz. Massachusetts Institute of Technology. Incorporated Research Institutions for Seismology. Summer Internship 2014. What can ambient seismic. ITET G. . MAGGIOLINI . & . “The green . school. network. ” . present. . What. . is. an . earthquake. ?. An earthquake (also known as a quake, . tremor) . is the . shaking of the surface. of the Earth, resulting from the sudden release of energy in the Earth's lithosphere that creates seismic waves. . Birhanu. . Abera. Managing . Data from . Seismic Networks. Pretoria. , . South Africa. 20 Aug . 2017. Outline. Introduction. M. ap of the current . ESSN . network. Data Acquisition and processing. D. INTRODUCTION TO NUMERICAL MODELING IN GEOTECHNICAL ENGINEERING WITH EMPHASIS ON FLAC MODELING www.zamiran.net By Siavash Zamiran, Ph.D., P.E. Geotechnical Engineer, Marino Engineering Associates, Inc. WELCOME . TO THE PRESENTATION ON THE CAMEROON SEISMIC NETWORK. PRESENTATION OF THE CAMEROON SEISMIC NETWORK . . MOUZONG PEMI MARCELIN. Department. of . Physics. , . University. of . Yaounde. 1. Division des lev Objective & . Essential Question. LO: . I can describe oceanic landforms. . (5.E.3A.2). EQ: . What are the characteristics of continental and oceanic landforms?. Under the Sea. Ocean basin is the .