Download or read book Catalog of Earthquakes in South Central Alaska written by John C. Lahr and published by . This book was released on 1973 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Earthquake Information Needs In South Central Alaska Page Robert A Et Al U S Department Of The Interior written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book United States Earthquakes written by and published by . This book was released on 1965 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Alaska s Good Friday Earthquake March 27 1964 written by Arthur Grantz and published by . This book was released on 1964 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Seismological Constraints on Tectonics of Southern and Central Alaska written by Natalia Anatolievna Ratchkovski and published by . This book was released on 2001 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The major emphasis of this thesis is on investigations of earthquake locations and source mechanisms and what we can learn about Earth structure from them. I used a Joint Hypocenter Determination (JHD) method to improve the earthquake locations obtained after routine data processing. Over 15,000 subduction zone earthquakes in sourthern Alaska and over 3,600 crustal earthquakes in central Alaska with magnitudes of ML> 2 that occurred from 1988 to 2000 were relocated. I found that the relative earthquake locations can be improved with the use of the JHD relocation technique (30-60% reduction in RMS residuals). Thus, many details of the subduction zone geometry and crustal structure can be mapped. To constrain source characteristics, I use a moment tensor inversion method that simultaneously inverts for the source parameters and velocity structure. First, I apply this technique to the sequence of strong earthquakes in the Kodiak Island region, including December 6, 1999 and January 10, 2001 MW 7 events. Next, I expand this approach to moderate-sized (ML> 4) crustal earthquakes in central Alaska and calculate 38 moment tensors. I demonstrate that the moment tensor inversion of regional waveforms provides reliable results even when recordings from a single broadband station are used. A catalog of the moment tensors together with the focal mechanisms obtained using conventional P-wave first motion analysis is used to calculate principal stress directions in central Alaska. I find that the stress state in the crust is inhomogeneous and that the orientation of the maximum compressive stress changes from a SE-NW to SSW-NNE orientation from west to east across interior Alaska. One more topic of this thesis is the application of the array analysis to understanding characteristics of anomalous seismic phases observed in the records of the intermediate-depth Alaskan subduction zone eearthquakes. I identified two secondary phases arriving with 1-3 s and 7-12 s delays after the first P-wave arrival. They are interpreted as S-to-P and P-to-S converted phases at the upper/lower surface of the subducted slab"--Leaf iii.
Download or read book The Alaskan Earthquake written by United States. Office of Civil Defense and published by . This book was released on 1964 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Alaska Earthquake March 27 1964 Lessons and Conclusions written by Edwin Butt Eckel and published by . This book was released on 1970 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: A summary of what was learned from a great earthquake about the bearing of geologic and hydrologic conditions on its effects, and about the scientific investigations needed to prepare for future earthquakes.
Download or read book Effects of the Earthquake of March 27 1964 in the Homer Area Alaska written by Roger M. Waller and published by . This book was released on 1966 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: A description of the damage caused by landmass subsidence, earthflows, landslides, seiche waves, and submarine landslides resulting from the earthquake in the Homer area, Alaska.
Download or read book Rupture in South central Alaska written by and published by . This book was released on 2003 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Tectonics of the March 27 1964 Alaska Earthquake written by George Plafker and published by . This book was released on 1970 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effects of the Earthquake of March 27 1964 on Air and Water Transport Communications and Utilities Systems in South central Alaska written by Edwin Butt Eckel and published by . This book was released on 1967 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: A description of the disruption and damage that all systems sustained from seismic vibrations and tectonic changes and from the slides, waves, and fires caused by the earthquake.
Download or read book Seismological Research in Central Alaska written by N. N. Biswas and published by . This book was released on 1974 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: ;Contents: Travel time relations for the crust and upper mantle P-wave phases for central Alaskan data; Seismicity and plate tectonics in South-central Alaska; Earthquake source mechanics for small magnitude earthquakes in central Alaska; Study of Ms-m sub b relations from central Alaska data.
Download or read book Effects of the March 1964 Alaska Earthquake on the Hydrology of South central Alaska written by Roger M. Waller and published by . This book was released on 1966 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water-level fluctuations, long-term changes, and temporary effects caused by response of the ground water to seismic waves.
Download or read book Studies of Earthquakes in South central Alaska written by Diane Irene Doser and published by . This book was released on 2001* with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Alaskan Earthquake written by California. Department of Water Resources and published by . This book was released on 1965 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Great Alaska Earthquake of 1964 Hydrology pt A Text pt B A portfolio containing 7 charts 2 v written by National Research Council (U.S.). Committee on the Alaska Earthquake and published by . This book was released on 1968 with total page 860 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book List of U S Geological Survey Geologic and Water supply Reports and Maps for Alaska written by Geological Survey (U.S.) and published by . This book was released on 1987 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
