PPT-Seismology:

What is Seismology What are Seismic Waves Types of Seismic waves Where do Earthquakes Happen Why do Earthquakes Happen How is the Epicenter of an Earthquake Located How are Earthquakes Magnitude Measured. P Anbazhagan of Lecture Concept of Seismic magnitude and Intensity earthquake size different magnitude scales and relations Topics Introduction Intensity Comparison of different intensity scales Problems associated with Non instrumental measuremen EX40003 Earthquake Seismology 3 1 0 4 EX43005 Seismic Methods of Prospecting 3 1 0 4 Seismic Methods of Prospecting Lab 0 0 3 2 EX43007 Stationary Field and Electrical Methods 3 0 0 3 EX40004 Ti 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 . GROUND MOTIONS FROM SIMULATIONS. 1. Observed data adequate for regression except. close to large ‘quakes . Observed data not adequate for regression, . use simulated data . 2. Ground-Motions for Regions Lacking Data from Earthquakes in Magnitude-Distance Region of Engineering Interest. EARTHQUAKE MAGNITUDES. Earthquake source characterization. Magnitude. Fault dimensions (covered before). Slip distribution (kinematics). Fourier transform refresher. Point source representation. Spectral shape. 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.. . By: Valentina, Laurel, Miriam, Crystal, Isaiah, Adam, Landon, and Emma.. What Does a Seismologist . S. tudy?. A seismologist studies earthquakes, faults, and seismology. Seismologist also use a Richter Scale to measure earthquakes. . ing Seismology Lecture 5 Dr. P. Anbazhagan 1 of 2 7 Lecture 5 : Concept of Seismic magnitude and Intensity , earthquake size, different magnitude scales and relations. Topics Introduction Intensit P. F. Chen. ，. China. Moreton wave. P. F. Chen . @ISSI-Beijing. Moreton et al. (1961). Moreton. . waves are associated with big flares . Propagation velocity: ~1. 000 km/s . Propagation distance: . 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,. 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!.