Добірка наукової літератури з теми "Macroseismic intensities"
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Статті в журналах з теми "Macroseismic intensities"
Vannucci, Gianfranco, Barbara Lolli, and Paolo Gasperini. "Inhomogeneity of Macroseismic Intensities in Italy and Consequences for Macroseismic Magnitude Estimation." Seismological Research Letters 92, no. 4 (March 31, 2021): 2234–44. http://dx.doi.org/10.1785/0220200273.
Повний текст джерелаCajamarca-Zuniga, David, Oleg Vasil'evich Kabantsev, and Christopher Marin. "Macroseismic intensity-based catalogue of earthquakes in Ecuador." Structural Mechanics of Engineering Constructions and Buildings 18, no. 2 (July 20, 2022): 161–71. http://dx.doi.org/10.22363/1815-5235-2022-18-2-161-171.
Повний текст джерелаSbarra, Paola, Patrizia Tosi, Valerio De Rubeis, and Diego Sorrentino. "Quantification of earthquake diagnostic effects to assess low macroseismic intensities." Natural Hazards 104, no. 3 (September 7, 2020): 1957–73. http://dx.doi.org/10.1007/s11069-020-04256-6.
Повний текст джерелаStromeyer, D., and G. Grunthal. "Attenuation Relationship of Macroseismic Intensities in Central Europe." Bulletin of the Seismological Society of America 99, no. 2A (April 1, 2009): 554–65. http://dx.doi.org/10.1785/0120080011.
Повний текст джерелаAdhikari, Sujan Raj, Gopi Baysal, Amod Dixit, Stacey S. Martin, Mattieu Landes, Remy Bossu, and Susan E. Hough. "Toward a Unified Near-Field Intensity Map of the 2015 Mw 7.8 Gorkha, Nepal, Earthquake." Earthquake Spectra 33, no. 1_suppl (December 2017): 21–34. http://dx.doi.org/10.1193/120716eqs226m.
Повний текст джерелаOliveti, Ilaria, Licia Faenza, and Alberto Michelini. "INGe: Intensity-ground motion data set for Italy." Annals of Geophysics 65, no. 1 (March 24, 2022): DM102. http://dx.doi.org/10.4401/ag-8709.
Повний текст джерелаMäntyniemi, Päivi, Mathilde B. Sørensen, and Ruben E. Tatevossian. "Testing the Environmental Seismic Intensity Scale on Data Derived from the Earthquakes of 1626, 1759, 1819, and 1904 in Fennoscandia, Northern Europe." Geosciences 11, no. 1 (December 29, 2020): 14. http://dx.doi.org/10.3390/geosciences11010014.
Повний текст джерелаGosar, Andrej. "Analysis of the Impact of Fault Mechanism Radiation Patterns on Macroseismic Fields in the Epicentral Area of 1998 and 2004 Krn Mountains Earthquakes (NW Slovenia)." Scientific World Journal 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/206843.
Повний текст джерелаMäntyniemi, Päivi B. "Revisiting Svenskby, Southeastern Finland: Communications Regarding Low-Magnitude Earthquakes in 1751–1752." Geosciences 12, no. 9 (September 12, 2022): 338. http://dx.doi.org/10.3390/geosciences12090338.
Повний текст джерелаHough, Susan E., Eric Thompson, Grace A. Parker, Robert W. Graves, Kenneth W. Hudnut, Jason Patton, Timothy Dawson, et al. "Near-Field Ground Motions from the July 2019 Ridgecrest, California, Earthquake Sequence." Seismological Research Letters 91, no. 3 (February 26, 2020): 1542–55. http://dx.doi.org/10.1785/0220190279.
Повний текст джерелаДисертації з теми "Macroseismic intensities"
Zuccolo, Elisa. "Neo-deterministic seismic hazard scenarios: from the modelling of the past to prediction." Doctoral thesis, Università degli studi di Trieste, 2010. http://hdl.handle.net/10077/3489.
Повний текст джерелаÈ stato affrontato il problema della definizione della pericolosità sismica utilizzando il metodo neo-deterministico (NDSHA), che si basa sul calcolo di sismogrammi sintetici realistici. Considerando modelli strutturali medi e un set di sorgenti distribuite internamente alle zone sismogenetiche, possono essere definite delle mappe di scuotimento al bedrock complementari alla mappa di pericolosità di tipo probabilistico (PSHA) sulla quale è basata la normativa antisismica italiana. L’analisi di stabilità effettuata ha dimostrato che l’informazione disponibile sui terremoti del passato può non essere rappresentativa per i futuri terremoti, anche se si hanno a disposizione cataloghi estesi nel tempo (∼ 1000 anni). Ciò non è sorprendente se si tiene presente la scala dei tempi dei processi geologici, ma tale consapevolezza è spesso ignorata in PSHA. NDSHA permette di superare questo limite mediante l’uso di indicatori indipendenti sul potenziale sismico di un’area (e.g. nodi sismogenetici e faglie attive) che consentono di colmare le lacune nella sismicità osservata. Il confronto tra le mappe di pericolosità PSHA e NDSHA sul territorio italiano ha evidenziato che NDSHA fornisce valori maggiori di PSHA nelle aree caratterizzate da forti terremoti osservati e in corrispondenza dei nodi sismogenetici. I valori massimi di NDSHA sono confrontabili con quelli di PSHA per lunghi periodi di ritorno (T≥2475 anni). D’altro canto, PSHA tende a sovrastimare, rispetto a NDSHA, la pericolosità sismica in aree a bassa sismicità. È quindi auspicabile una revisione della normativa che tenga conto di questi fatti. Gli scenari di scuotimento sono utili sia per la ricostruzione delle caratteristiche di sorgente dei terremoti del passato (es. terremoto del 1117) che per la previsione degli effetti degli eventi futuri. Quest’ultimo aspetto, importante per le azioni di prevenzione della Protezione Civile, è stato sviluppato nell’ambito del progetto ASI-SISMA mediante la generazione di scenari dipendenti dal tempo a diversa scala di dettaglio. L’applicazione della tecnica analitica di calcolo dei sismogrammi sintetici in mezzi anelatici tridimensionali, per la cui è stata messa a punto una subroutine per la gestione automatica dell’input, è stata applicata allo studio di eventi di profondità intermedia, avvenuti in Vrancea (Romania), considerando sia serie temporali registrate (accelerogrammi) che intensità osservate.
The problem of the definition of the neo-deterministic seismic hazard assessment (NDSHA), based on the computation of realistic synthetic seismograms, has been capably addressed. Considering average structural models and a set of sources distributed within the seismogenic zones, ground shaking maps at the bedrock, complementary to the probabilistic seismic hazard (PSHA) map on which the Italian seismic code is based, can be defined. The stability analysis performed showed that the available information from past events may not be well representative of future earthquakes, even if long earthquake catalogues (< 1000 years) are available. This is not surprising if we consider the geological times, but this awareness is often ignored in PSHA. NDSHA can easily overcome this limit since it allows to take into account, in a formally well defined way, not only the observed seismicity but also independent indicators of the seismogenic potential of a given area like the seismogenic nodes and active faulting data. The comparison between PSHA and NDSHA maps over the Italian territory evidenced that NDSHA provides values larger than those given by PSHA in areas where large earthquakes are observed and in areas identified as prone to large earthquakes (i.e. seismogenic nodes). The maximum values of NDSHA are consistent with those of PSHA for long return periods (T≥2475 years). Comparatively smaller values are obtained in low-seismicity areas. Therefore a revision of the code taking into account these facts is desirable. Ground shaking scenarios are useful in order to detect the main characteristics of the past earthquakes (e.g. the 1117 earthquake) and to predict the expected ground shaking associated with future earthquakes. The last aspect, which constitutes a useful tool for the rescue actions of the Civil Protection, has been developed in the framework of the ASI-SISMA Project by means of the generation of multi-scale time-dependent seismic hazard scenarios. The application of the analytical technique for the computation of synthetic seismograms in three-dimensional anelastic models, for which a subroutine for the automatic generation of the input has been developed, has been applied to the study of intermediate-depth Vrancea (Romania) earthquakes, considering both recorded time series (accelerograms) and observed macroseismic intensities.
XXII Ciclo
1982
Oksuz, Hilal. "Comparaison des estimations d'aléa sismique probabiliste avec les observations (accélérations et intensités)." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENU010/document.
Повний текст джерелаPSHA calculations rely on several models and assumptions in its components, such as the characterization of seismic sources, the establishment of recurrence laws in magnitude, and the choice of ground-motion prediction equations. The final output of a PSHA study is the hazard curve that gives annual rates of exceedances of different acceleration levels. All steps of the PSHA calculation bear uncertainties. Understanding the impact of these uncertainties on the final output of the PSHA is not straightforward. Until recently, little attention has been paid to testing the final output of PSHA models against observations. Acceleration datasets and intensity databases, partially independent from the PSHA calculations, can be used, as proposed in a handful of recent papers (Stirling & Gerstenberger 2006, Stirling & Gestenberger 2010, Albarello & D'Amico 2008). This study is aimed at testing PSH models in France (MEDD2002, AFPS2006 and SIGMA2012) and also in Turkey (SHARE), developing a quantitative method for comparing predicted and observed number of sites with exceedance over the lifetime of the network. This method builds on the studies of Stirling & Gerstenberger (2010) and Albarello & D'Amico (2008). All sites are sampled, observation time windows are stacked, and the PSHA is evaluated over a large geographical area at once. The objective is to understand the possibilities and limits of this approach, as observation time windows are short with respect to the return periods of interest in earthquake engineering. Results show that the AFPS2006 PSH model is consistent with the observations of the RAP accelerometric network over the acceleration range 40-100 cm/s2 (or 50-200 years of return periods). The MEDD2002 PSH model over-predicts the observed hazard for the return period of 100 years. For longer return periods (475 and 975 years), the test is not conclusive due to the lack of observations for large accelerations. No conclusion can be drawn for acceleration levels of interest in earthquake engineering. The proposed method is applied to Turkey. The PSH model can be tested using longer observation periods and higher accelerations levels than in France. The PSH model is tested for different selections of accelerometric sites, minimum inter-site distance and total observation period. For accelerations between 0.1 and 0.4g, the model is consistent with the observations for all tests. At lower acceleration levels, the agreement between the model and the observations varies depending on the decisions taken. Finally, the PSHA models in France are evaluated using the macroseismic intensity database (SISFrance). Completeness time windows are estimated from statistics on the intensity data (I≥5, MSK). Twenty-five sites are selected, with completeness time periods for I≥5 extending between 66 and 207 years, located in the highest active zones in France. At 100 years return period, MEDD2002 models predicts more sites with exceedances than the observed number of sites. At return periods higher than or equal to 475 years, both models AFPS2006 cannot be discriminated as both are consistent with observations. Considering the uncertainties on the selection of sites, on the determination of completeness time periods, and on the equation selected for converting intensities into accelerations, the results based on macroseismic intensities should be considered very carefully
Частини книг з теми "Macroseismic intensities"
Brückl, Ewald, Peter Carniel, Stefan Mertl, and Rita Meurers. "Seismological Data Acquisition and Analysis within the Scope of Citizen Science." In Earthquakes - From Tectonics to Buildings. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95273.
Повний текст джерелаЗвіти організацій з теми "Macroseismic intensities"
Lamontagne, M. Macroseismic information for the 1935 moment magnitude 6.1 earthquake, near Témiscamingue, Quebec. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/329136.
Повний текст джерела