PPT-Numerical Modeling of Seismic Airguns

Leighton Watson Joseph Jennings Jonatan Werpers Eric Dunham Shuki Ronen Ken Mattsson Seismic airguns are not an impulsive source de Graaf et al 2014 Design a low pressure source. 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?. Presentation Outline. Location of Bhutan . Background . About Seismology Division. Ongoing programs and projects. National Seismic monitoring system. Systematic Data Merge System. Future Plans. Lo. Stephan . Husen. , Edi . Kissling. , Claudia . Ryser. , Martin . Lüthi. , Martin Funk, Ginny Catania, Lauren Andrews, . Katrin. . Plenkers. Fabian Walter. 1. , . Philippe Roux. 1. , Claudia Röösli. Peter Novotny. 1. st. PACMAN workshop. 3. rd. February 2015, CERN. Seismic sensors in PACMAN - . Peter NOVOTNY - 3. rd. February 2015. 2. Outline. Why seismic sensors in PACMAN. How seismic sensors work. Seismic Instruments. and Data Acquisition Systems at MSSP. Waqas. Ali, Jr. Engineer. Micro Seismic Studies Programme. . . Government of Pakistan. Contents. Introduction. MSSP Seismic Network—Map. 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. 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. Altai-. Sayan. Branch of Geophysical Survey Siberian Branch of the RAS. Geophysical Survey of . Siberian Branch of the RAS. Three seismological branches with regional scale seismic networks:. Altay-. Seismic . Waves. . are shock . waves . given off by earthquakes. . There are 2 types:. 1. . Body Waves. . originate from the . focus. (. F. ). travel . through. . the earth. . They’re used to locate . Earthquake Mechanisms. Brittle Mechanical Model: “stick-slip”. Focal point: 3D point inside the lithosphere where the seismic event occurs. Epicenter: projection of focal point to the map surface . 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. Authors: Andrés . David . Bayona. . Vlad . Constantin . Manea. Motivation:. The origin of the . volcanic caldera Los . Humeros. in Mexico . has . not . been studied using numerical . modeling.. Key question:. Part 2: Speed of sound, waves, and bedrock. Image credit: J. Louie, University of Nevada-Reno. Outline. Speed of sound. Waves. Bedrock. Urban and wildland environments. Importance for human activities.