PDF-in Seismology

1 Glossary Active faul t A fault that has moved in historic eg past 10000 years or recent geological past eg past 500000 years Aftershock An earthquake that follows a large magnitude e. Nuclear-Test-Ban Treaty Monitoring . Steven J. Gibbons. Workshop on Arrays in Global Seismology,. Raleigh, North Carolina, May 15-16 2013. .. Rethinking Array Seismology in Nuclear-Test-Ban Treaty Monitoring . EARTHQUAKE FOCAL MECHANISMS (FAULT PLANE SOLUTIONS). Credits:. -Some slides provided by Dino Bindi (INGV) and A. Kelly (USGS). -Cox and Hart. Plate Tectonics – How it works.. -Stein and Wysession, An Introduction to seismology, earthquakes and . Presentation Outline. Location of Bhutan . Background . About Seismology Division. Ongoing programs and projects. National Seismic monitoring system. Systematic Data Merge System. Future Plans. Lo. With Seismology. Fabian Walter. 2009 – Dr. sc. ETH Zürich. 2004 – MSc University of Colorado, USA. 2002 – BSc Brigham Young University, USA. Host: Laboratory of Hydraulics, Hydrology and Glaciology . EARTHQUAKE MAGNITUDES. Earthquake source characterization. Magnitude. Fault dimensions (covered before). Slip distribution (kinematics). Fourier transform refresher. Point source representation. Spectral shape. MEASURING GROUND MOTION. The first known instrument for earthquakes measurement is the Chang seismoscope built in China in 132 B.C. . Balls were held in the dragons’ mouths by lever devices connected to an internal pendulum. The direction of the epicenter was reputed to be indicated by the first ball released.. Seismogram Interpretation Wavefieldsin the Earth: SH wavesWavefieldsin the Earth: SH waves Wavefieldfor Seismology and the Earth’s Deep Interior Seismogram Interpretation Wavefieldsin the Earth: Seismometry Seismometer –examplesSeismometer –examples ugx x0 xr Seismology and the Earth’s Deep Interior Seismometry Seismometer –examplesSeismometer –examples ugx x0 xr Seis (All shook up.). Earthquakes can be frightening events. .. (Click on left image for short video.). Earthquakes. Usually happen near . faults.. (What are faults?). Many faults are near plate boundaries, but they can be anywhere and everywhere.. Presenter: Min-Hung Shih. 2015/09. Broadband Array in Taiwan for Seismology. (BATS). B. roadband. A. rray in. T. aiwan for. S. eismology. IES: 26 stations. CWB: 34 stations. GSN: 1 stations. CMP gather. 3D seismic reflection. The goal is a 3D image of structure. (data cube). Visualization. (slice & dice). 3-D image. Volume construction of salt dome image. Typical Geometry for 3D Acquisition . 15 Feb 2017. © A.R. Lowry . 2017. Read for . Wed 17 . Feb: . S&W. 62-75 (§2.5). Last time:. . Seismology as Investigative Tool. Deep-Earth . investigations use earthquakes as sources,. three-component broadband seismometers as receivers,. . Nov 11, 2009. Seismic Instrumentation Technology Symposium. B. John Merchant. Technical Staff. Sandia National Laboratories. Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company,. Laudat. – 30/10/2018. blueSeis-3A rotational seismometer. Outline. 1. iXblue & Fog technology. 2. blueSeis-3A rotational seismometer. 3. Characterization of performances. 4. Let’s get started!.