Global ETD Search
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Showing 1 to 12 of 12 for “"Earthquake magnitude"”.
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Source studies over a wide range in earthquake magnitude
The concept of similarity (that earthquake source parameters obey scaling relations) and the empirical linear relation between magnitude and the log₁₀ of the number of events (the Gutenberg-Richter relation) describe well the behavior and recurrence of many earthquake data sets. The universality of …
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Scaling relationships between GNSS co-seismic displacements and earthquake magnitude and kinematics of active faults
Στην παρούσα εργασία περιγράφουμε και διαθέτουμε μία βάση 138 σεισμικών μετατοπίσεων από τις καταγραφές μόνιμων σταθμών GPS, κατά την εικοσαετή χρονική περίοδο 1997-2021. Οι μετατοπίσεις οφείλονται σε μεγάλους, επιφανειακούς σεισμούς στον Ελληνικό χώρο οι οποίοι προκάλεσαν επιφανειακές κινήσεις …
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Assessing the Seismic Hazard in Charleston, South Carolina: Comparisons Among Statistical Models
… process to describe the temporal behavior of earthquakes and have employed the Gutenberg-Richter relationship to define the frequency distribution of earthquake magnitude. For sites in areas where geological information indicates recurrent, large earthquakes, however, such data imply a rate …
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Spatial Variation of Magnitude Scaling Factors During the 2010 Darfield and 2011 Christchurch, New Zealand, Earthquakes
Magnitude Scaling Factors (MSF) account for the durational effects of strong ground shaking on the inducement of liquefaction within the simplified liquefaction evaluation procedure which is the most commonly used approach for assessing liquefaction potential worldwide. Within the context of the …
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The dynamics of oceanic transform faults : constraints from geophysical, geochemical, and geodynamical modeling
… of fault segmentation on the maximum predicted earthquake magnitude of an oceanic transform fault system. Results of thermal modeling suggest that fault segmentation by intra-transform spreading centers (ITSC) drastically reduces the available brittle area of a transform fault and thus limits …
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New Model And Simulation Algorithm Of Nonstationary Non-gaussian Ground Motions Based On S-transform
… stochastic ground motions depend on the earthquake magnitude, fault mechanism, source-to-site distance, and local site conditions. The characteristics could be represented by time-frequency (dependent) power spectral density (TFPSD) and coherence functions. The assessment of such power …
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Assessing the Use of Tsunami Simulations as a Tool to Predict Source Magnitudes and Locations of Paleoearthquakes in Chile
… studies is the ability to predict paleoearthquake parameters based on tsunami deposits found on land. Chile provides an exemplary location for testing methods of making these predictions because the historical record includes 41 major earthquakes as far back as 1562 AD, and there are …
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The dynamics of oceanic transform faults : constraints from geophysical, geochemical, and geodynamical modeling
… of fault segmentation on the maximum predicted earthquake magnitude of an oceanic transform fault system. Results of thermal modeling suggest that fault segmentation by intra- transform spreading centers (ITSC) drastically reduces the available brittle area of a transform fault and thus limits …
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Investigating Taphonomic Changes of Deposits and Modeling of the 2010 Earthquake and Tsunami in South-Central Chile
… has an extensive written catalog of historic earthquakes and tsunamis, but such records can be subject to inconsistencies. Dated tsunami deposits are more objective data that provide hard evidence of past tsunamis. The inland extent of deposits from past tsunamis (paleodeposits) can be used in …
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Decoding Seismic Hazard Enigmas via Next-Generation Paleoseismic Analyses: With Application to the Cascadia Subduction Zone and Beyond
In regions of infrequent moderate-to-large earthquakes, historic earthquake catalogs are often insufficient to provide inputs to seismic-hazard analyses (i.e., fault locations and magnitude-frequency relations) or to inform ground-motion predictions for certain seismic sources. As a result, …
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Seismic Hazard Assessment for Mainland China Based on Spatially Smoothed Seismicity and Projected Sets of Ground Motion Models
… the completeness of the historical Chinese earthquake catalogue. Two smoothed seismic hazard models for mainland China are obtained. The first one is based on cluster analysis and spatial smoothing by considering that a seismic magnitude-recurrence is applicable to a cluster, so the …
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Determination of the energy magnitude ME : application to rapid response purposes and insights to regional/local variabilities
Recent large earthquakes put in evidence the need of improving and developing robust and rapid procedures to properly calculate the magnitude of an earthquake in a short time after its occurrence. The most famous example is the 26 December 2004 Sumatra earthquake, when the limitations of the …