Seismic changes - PowerPoint PPT Presentation


Pilottown Village Community Meeting on Potential Covenants Changes

The Pilottown Village Community is holding a meeting on February 3, 2024, to discuss potential changes to the Covenants. The meeting agenda includes topics like noise, clotheslines, signs, and more. A committee has been formed to review the Covenants and draft changes based on community feedback. A

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Understanding Static GNSS Techniques and Products for Geospatial Applications

This educational material provides insights into static GNSS techniques, products, and their societal benefits. It covers topics such as distinguishing static GNSS techniques, understanding different products, and the capabilities of static GNSS stations. The content explores the Network of the Amer

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Understanding Earth's Interior through Seismic Waves: Part 1

Seismic waves provide crucial evidence about Earth's composition and structure. By analyzing the behavior of primary, secondary, and surface waves, scientists can determine the different layers and materials within the Earth. Primary waves travel through both solid and liquid parts, while secondary

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Alameda Hospital Seismic Planning and Financial Committee Meeting Summary

The Alameda Hospital Seismic Planning and Finance Committee met to review capital cost estimates, consider various seismic options, and assess financial projections. The Joint Planning Committee (JPC) collaborated to evaluate maintaining the current footprint, reconfiguring the hospital, and optimiz

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Enhancing Geotechnical Investigation Methods in Ghana for Foundation Design of Large Structures

Enhancing the standard of geotechnical investigation field testing in Ghana is crucial to ensure appropriate use of equipment like DCP for designing foundations of large structures. Objectives include assessing site suitability, obtaining design inputs, anticipating construction challenges, and esti

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Exploring Subsurface Structures of Pit Craters Through Seismic Reflection

Discover the technique of seismic reflection imaging to unveil the subsurface structures of pit craters on Earth and Mars. Follow the analysis of seismic data to map pit craters and their connections to geological features like dykes and fault jogs, shedding light on the formation processes of these

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Developing a Sector Support Organisation in Jersey for VCS Working Group

This presentation discusses the development of a Sector Support Organisation in Jersey led by Ivo Le Maistre Smith for the VCS Working Group. It addresses infrastructure priorities, seismic changes impacting the sector, types of support required, and challenges such as funding reductions and changin

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Release 3 Changes Overview for UK Link Implementation

This document outlines the upcoming Release 3 changes for the UK Link implementation scheduled for November 2018. It covers the purpose, impacts, and specific changes related to read submission, impacting Shippers and Daily Metered Service Providers. The document also details the list of all changes

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Update on BLTS Changes Implementations

Participants were updated on three changes implemented in BLTS, identified in a larger set of proposed changes across multiple platforms. Changes were notified on 12/10/2018. Resolved issues and updates were discussed regarding flagging of zero load data and bad quality data within first baseline ca

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Integrated Reservoir Characterization in Semliki Basin, Albertine Graben

Quantitative reservoir characterization using rock physics, seismic, and geological constraints is crucial for hydrocarbon prospect evaluation. This study by Nakajigo Joan explores the integration of these disciplines in the Semliki Basin to improve reservoir property delineation and reduce uncertai

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Understanding Seismic Source Parameters in Earthquake Dynamics

The seismic source parameters in earthquake dynamics involve describing a fault as a discontinuity causing displacements, requiring a complex treatment of forces. The Earth's equilibrium necessitates a specific system of forces to explain displacements along faults. The seismic moment tensor, consis

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Understanding Significant Changes in IACUC-Approved Protocols

This presentation covers essential information on significant changes in IACUC-approved protocols, including defining significant changes, reviewing methods, implementing the Veterinary Verification and Consultation process, and examples of significant changes. It also discusses the impact on animal

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Career Path Presentation of Christopher Madugo at Pacific Gas and Electric

Christopher Madugo's career path at Pacific Gas and Electric involves a strong focus on seismic hazard assessment for utility infrastructure. With expertise in fault characterization and geohazard sensitivity, he has contributed significantly to projects like the Panama Canal Expansion. In-house at

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Determining OBS Clock Drift Using Seismic Interferometry

Determining clock errors in Ocean Bottom Seismometers (OBSs) is crucial for accurate seismic data recording. This study presents a method using ambient seismic noise and seismic interferometry to correct clock drift in OBSs. The program developed employs Python/Fortran to analyze seismic data direct

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Understanding Earthquake Magnitudes and Seismic Measurements

Delve into the fundamentals of engineering seismology and earthquake magnitudes, exploring topics such as fault dimensions, slip distribution, spectral shapes, Richter's observations, and logarithmic scales. Gain insights into how seismic measurements are characterized and understand the significanc

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Understanding Earthquakes and Seismic Waves

This lecture delves into the nature and origin of earthquakes, discussing seismic waves, measurement techniques, effects of earthquakes on various Earth systems, and the relationship between earthquakes and plate tectonics. The content touches on topics like the impact of earthquakes on biosphere, h

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Understanding Surface Wave Dispersion in Seismic Exploration

Surface wave dispersion, explored by James Crane and Bolu Owolana, plays a crucial role in seismic studies. This phenomenon, involving waves spreading at varying speeds, helps evaluate subsurface characteristics based on wavelength. By studying surface waves, researchers can determine velocity, dens

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Federation of Digital Broad-Band Seismograph Networks: Advancing Global Seismic Monitoring

The Federation of Digital Broad-Band Seismograph Networks (FDSN) was established in 1985 to enhance seismic monitoring capabilities worldwide. FDSN collaborates with national institutions, coordinates new station locations, and promotes standardization of seismic instruments. Despite lacking inter-g

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Federation of Digital Broad-Band Seismograph Networks (FDSN) Overview

FDSN, founded in 1985, coordinates digital broad-band seismic networks globally to enhance seismic monitoring and research. It promotes site selection, data exchange, and instrument standardization, facilitating the installation of seismic stations across various scales to support earthquake studies

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PEIA Open Enrollment Plan Year 2023 - Important Updates

PEIA Open Enrollment for the Plan Year 2023 is scheduled from April 2 to May 15. Changes made during this period will be effective from July 1. Benefit Coordinators must approve any changes by May 20. Members can make changes by visiting the PEIA website, calling the helpline, or filling out forms o

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Seismic Site Characterization in Metropolitan Vancouver

The Greater Vancouver area faces high seismic risk due to its population density and critical infrastructure. Ground shaking during large earthquakes depends on various factors including the earthquake source, material properties, and site conditions. Efforts are being made to map seismic hazards, u

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Azimuth Estimation in Seismic Arrays via Deep Augmented MUSIC

This study introduces DA-MUSIC, a hybrid approach combining traditional MUSIC algorithm with deep learning for robust Direction of Arrival (DOA) estimation in seismic arrays. The methodology improves resolution and handles broadband signals effectively. Utilizing non-synthetic seismic data collected

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Leveraging Open Data for Global Seismic Discoveries

Geophysicists Woodward and Hafner highlight the transformative power of open data from distributed geophysical networks, emphasizing its role in advancing scientific research, enhancing operational capabilities, and contributing to the mission of ending nuclear explosions. They underscore the value

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Evaluation of Dynamic Properties and Seismic Performance of Reinforced Ground Using Renewable Materials

Improvement of seismic performance through improved dynamic properties of ground using renewable materials like cement and biopolymer is crucial for reducing earthquake-induced structural damage. This study conducted resonant column tests to assess the enhanced dynamic properties of soil and utilize

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Engineering Seismology & Seismic Hazard Assessment Lectures Overview

This content provides detailed information on the Rose School Lectures 2013 by Sinan Akkar and D. M. Boore focusing on Engineering Seismology & Seismic Hazard Assessment. It includes course schedules, instructor details, contact information, and online software used. Topics covered range from hazard

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Enhanced Algorithm for Internal Multiple Attenuation in Seismic Imaging

This research discusses the development of an improved algorithm for internal multiple attenuation in seismic imaging. The focus is on addressing the challenges in onshore and offshore regions close to a 1-D earth model. The algorithm aims to enhance the efficiency and accuracy of data processing in

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Comprehensive Integration of 4D Seismic & Production Data for Norne Reservoir Management

This presentation by Nan Cheng of Statoil in 2013 focuses on the integration of 4D seismic and production data for reservoir management at the Norne Oil Field in Norway. Covering topics such as field structure, zones, official reserves, production profiles, and subsea development solutions, it provi

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Understanding Earthquakes: Causes, Effects, and Types

Earthquakes are seismic disturbances caused by the release of energy in the Earth's crust. They can lead to significant damage and are classified based on their depth as shallow, medium, or deep earthquakes. This phenomenon includes key elements such as epicenter, focus, hanging wall, footwall, eart

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Earthquake and Hazard Assessment Course Schedule

This course covers a comprehensive study on earthquakes, faults, ground motions, seismic assessments, hazard maps, and more. Week by week lectures, practical sessions, and examinations are planned to provide in-depth knowledge on seismic activities and their impacts.

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Innovative Seismic Software and Services for Geophysics Applications

Celebrating 20 years of providing seismic software, dataloggers, and sensors, this company was founded by the original IRIS PASSCAL programming team. With expertise in micro-seismic monitoring and a focus on wide-band, low-power, and portable solutions, they offer sensors with various specifications

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Insights into Soil Stiffness Degradation Using Seismic Dilatometer Data

This content discusses the analysis of soil stiffness degradation curves using data collected from the Flat Dilatometer and Seismic Dilatometer tests. Researchers Sara Amoroso and Paola Monaco present methods for deriving in situ G- decay curves and evaluating shear strain data in various soil types

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Monitoring Chile's Geological and Volcanic Activity: Subduction Zone Observatory and IPOC Network

Chile's Subduction Zone Observatory, led by Sergio Barrientos at the National Seismological Center, University of Chile, focuses on observing seismic and geological events with cutting-edge technology and networks. The IPOC Chile Volcanological Network monitors around 40 volcanoes, utilizing various

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Understanding the Low Velocity Layer (LVZ) in Subduction Zones

The presence of a Low Velocity Layer (LVZ) at the top of subducting plates in subduction zones has significant implications for imaging and potentially seismogenesis. This hydrated layer of oceanic crust, likely caused by dehydration reactions during subduction, affects seismic wave behaviors and ca

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Aging Infrastructure & Seismic Improvements Project Overview

The project application for approval outlines the need for aging infrastructure and seismic improvements, utilizing the GC/CM contracting procedure. The initiative involves funding aspects, project scheduling complexities, team management details, and the rationale behind choosing GC/CM for the proj

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Evaluation of Rock Permeability Variations Using Seismic Velocity Changes

Assessment of fractured rock permeability variations through seismic velocity changes using a coupled simulation of flow, mechanics, and fracture. The study discusses motivation, problem statement, challenges, existing approaches, advantages of the proposed approach, state-of-the-art, mathematical a

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Understanding Fourier Theory in Seismic Processing

Fourier theory plays a crucial role in seismic processing by helping to avoid temporal and spatial aliasing. It emphasizes the importance of sampling rates for accurate waveform reconstruction and highlights the significance of oversampling to prevent aliasing issues. Spatial aliasing is discussed i

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Understanding Earth's Internal Structure: A Geographical Perspective

Deep parts of Earth's interior are studied indirectly through geophysics, including seismic waves, magnetic fields, gravity, and heat. Seismic studies reveal Earth's layers - crust, mantle, and core - each with distinct properties and compositions. The lithosphere, comprising the upper mantle and cr

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Understanding the Structure of the Earth's Interior

Exploring the Earth's interior is challenging due to its vast size and changing composition. Through mining, drilling, and seismic analysis, scientists have gained insights into the layers beneath the surface. Direct and indirect sources provide information on the Earth's structure, including seismi

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Exploring Earth's Interior: Layers, Structure, and Seismic Waves

Explore the dynamic layers of Earth's interior, from its three major layers formed by gravity and chemical segregation to mineral and phase changes in the mantle. Discover how seismic waves provide insights into the planet's composition as they interact with different layers, reflecting and refracti

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Enhancing Disaster Preparedness with Indonesia's Seismic Monitoring Network

Indonesia's Digital Seismic Network, operated by the Indonesian Agency for Meteorology, Climatology, and Geophysics (BMKG), comprises 164 stations strategically located across the country. The network provides critical seismic data for the Seismic Integration System of InaTEWS, supporting real-time

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