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Active Tectonics and Seismic Potential of Alaska

2013-06-05 Science
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Release : 2013-06-05
Genre : Science
Kind : eBook
Book Rating : 83X/5 ( reviews)

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Book Synopsis Active Tectonics and Seismic Potential of Alaska by : Jeffrey T. Freymueller

Download or read book Active Tectonics and Seismic Potential of Alaska written by Jeffrey T. Freymueller. This book was released on 2013-06-05. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 179. This multidisciplinary monograph provides the first modern integrative summary focused on the most spectacular active tectonic systems in North America. Encompassing seismology, tectonics, geology, and geodesy, it includes papers that summarize the state of knowledge, including background material for those unfamiliar with the region; address global hypotheses using data from Alaska; and test important global hypotheses using data from this region. It is organized around four major themes: subduction and great earthquakes at the Aleutian Arc, the transition from strike slip to accretion and subduction of the Yakutat microplate, the Denali fault and related structures and their role in accommodating permanent deformation of the overriding plate, and regional integration and large-scale models and the use of data from Alaska to address important global questions and hypotheses. The book's publication near the beginning of the National Science Foundation's EarthScope project makes it especially timely because Alaska is perhaps the least understood area within the EarthScope footprint, and interest in the region can be expected to rise with time as more EarthScope data become available.

Active Faulting and Seismic Hazards in Alaska

2018 Earthquake hazard analysis
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Release : 2018
Genre : Earthquake hazard analysis
Kind : eBook
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Book Synopsis Active Faulting and Seismic Hazards in Alaska by : Richard D. Koehler

Download or read book Active Faulting and Seismic Hazards in Alaska written by Richard D. Koehler. This book was released on 2018. Available in PDF, EPUB and Kindle. Book excerpt: Alaska is the most seismically active region of the United States and large, frequent earthquakes pose significant seismic hazards to the state’s infrastructure and inhabitants. Despite the risks associated with high rates of tectonic activity, geologic information on the relative activity of Quaternary faults is sparse. This report is designed to provide guidance for future earthquake research in Alaska, serve as a resource for seismic hazard studies, and complement the Alaska Quaternary fault database (Koehler and others, 2012a; Koehler, 2013). It summarizes the current state of knowledge pertaining to the paleoseismic characteristics of active faults throughout the state and represents the first comprehensive compilation of paleoseismic data for Alaska. The report is organized into eight seismic source regions, and includes unpublished observations from many active faults briefly visited during field campaigns associated with ongoing infrastructure studies of the Alaska Division of Geological & Geophysical Surveys. In a summary report of this nature, it is inevitable that some information might have been overlooked. Although additional future paleoseismic characterization of active faults is needed to adequately address seismic hazards and risk in the state, the information presented here contributes to the core charter of the Alaska Seismic Hazards Safety Commission by providing data that will ultimately lead to better hazard evaluations and mitigation practices.

Tectonics of the March 27, 1964, Alaska Earthquake

1970 Alaska Earthquake, Alaska, 1964
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Release : 1970
Genre : Alaska Earthquake, Alaska, 1964
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Book Synopsis Tectonics of the March 27, 1964, Alaska Earthquake by : George Plafker

Download or read book Tectonics of the March 27, 1964, Alaska Earthquake written by George Plafker. This book was released on 1970. Available in PDF, EPUB and Kindle. Book excerpt:

Investigation of Potentially Active Tectonic Faults Along the Route of the Proposed Alaska Stand Alone Pipeline, Livengood to Cook Inlet, Alaska

2015 Engineering geology
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Release : 2015
Genre : Engineering geology
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Book Synopsis Investigation of Potentially Active Tectonic Faults Along the Route of the Proposed Alaska Stand Alone Pipeline, Livengood to Cook Inlet, Alaska by : Richard D. Koehler

Download or read book Investigation of Potentially Active Tectonic Faults Along the Route of the Proposed Alaska Stand Alone Pipeline, Livengood to Cook Inlet, Alaska written by Richard D. Koehler. This book was released on 2015. Available in PDF, EPUB and Kindle. Book excerpt: "The Alaska Division of Geological & Geophysical Surveys completed surficial-geologic mapping, lidar data evaluations, and paleoseismic trenching investigations along the Minto Flats seismic zone (Minto fault), the Northern Foothills thrust and associated backthrust faults, and the Stampede–Little Panguingue Creek, Healy Creek, Healy, Park Road, Denali, and Castle Mountain faults. Additionally, aerial reconnaissance and lidar assessment were completed along the Tozitna, Kaltag Extension, and Victoria Creek faults. The purpose of these investigations was to summarize the relative tectonic activity for each structure of concern, evaluate fault rupture parameters, and delineate the locations of possible fault crossings of the proposed pipeline route"-- Summary and conclusions.

InSAR Imaging of Aleutian Volcanoes

2014-03-31 Science
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Release : 2014-03-31
Genre : Science
Kind : eBook
Book Rating : 486/5 ( reviews)

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Book Synopsis InSAR Imaging of Aleutian Volcanoes by : Zhong Lu

Download or read book InSAR Imaging of Aleutian Volcanoes written by Zhong Lu. This book was released on 2014-03-31. Available in PDF, EPUB and Kindle. Book excerpt: Interferometric synthetic aperture radar (InSAR) is a relatively new remote sensing tool that is capable of measuring ground-surface deformation with centimeter-to-subcentimeter precision at a spatial resolution of tens of meters over an area of hundreds to thousands of square kilometers. With its global coverage and all-weather imaging capability, InSAR has become an increasingly important technique for studying volcanoes in remote regions such as the Aleutian Islands. The spatial distribution of surface deformation data derived from InSAR images enables the construction of detailed mechanical models to enhance the study of magmatic processes. InSAR Imaging of Aleutian Volcanoes: • Provides a theoretical framework for InSAR observations and capabilities • Discusses state-of-the-art InSAR analysis techniques • Describes the structure, eruptive history, and magma composition of volcanoes along the entire Aleutian arc • Presents conceptual models for the magma plumbing systems of Aleutian volcanoes based on InSAR results combined with geophysical, geological and geochemical observations. • Synthesizes observations of deformation along the Aleutian arc and compares those results to other active arcs around the world. • Is illustrated throughout with high-resolution color satellite radar images

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