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Earthquake hazard
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The objective of research study "Regional post-earthquake damage estimation using Gaussian geostatistical simulation" is to estimate post-earthquake damage at the regional level using Gaussian geostatistical simulation in the study area of 2 provinces: Phitsanulok and Phichit. This study is useful in providing warnings to those involved in the area as well as planning responses in the event of an earthquake occurring on a fault that has not yet been discovered.
7p
tukhauquantuong1011
22-04-2024
4
3
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Design standard for earthquake resistance TCVN 9386:2012, first issued and enforced in 2006 with code TCXDVN 375:2006, was reviewed and will soon be replaced by the new TCVN 9386:2023. This paper presents some notable revisions of the draft standard TCVN 9386:2023 compared to the previous one.
7p
vifriedrich
30-08-2023
12
3
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Part 1 of ebook "Advances in performance-based earthquake engineering" has presents the following content: ground motions for performance-based earthquake engineering; mapping seismic hazard for the needs of displacement-based design; theoretical consistency of common record selection strategies in performance-based earthquake engineering; performance-based seismic design and retrofitting methodologies; new concept on fail-safe design of foundation structure systems insensitive to extreme motions;...
275p
dieptieuung
19-07-2023
2
2
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This paper presents the probabilistic seismic hazard assessment (PSHA) results for Da Nang city. A regional earthquake catalog was updated until 2021 and comprehensive seismic source zones within 150 km of Da Nang city were used.
18p
viironman
02-06-2023
8
3
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Quantitative constraints on the timing and temperatures associated with Quaternary fault slip inform earthquake mechanics and seismic hazard analyses. Optically stimulated luminesce (OSL) and thermoluminescence (TL) are tools that can provide these constraints from fault gouge and localized slip surfaces.
8p
vironald
15-12-2022
12
3
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The possibility of reservoir-triggered earthquake occurrence in the Huoi Quang and Ban Chat hydropower dam area has been assessed based on studying and analyzing the relationships between the reservoir-triggered earthquake occurrence and the following factors: (1) the types of rocks underlying the reservoir; (2) the oscillating reservoir loads on faults in the reservoir area;...
12p
vipagani
24-10-2022
5
3
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The southern part of the Western Anatolia Extensional Province is governed by E-W-trending horst-graben systems and NW-SE-oriented active faults. The NW-striking Yatağan Fault is characterised by an almost pure normal sense of motion with a minor dextral strike slip component. Although the settlements within the area have been affected by several earthquake events since ancient times (~2000 BCE), the earthquake potential and history of the Yatağan Fault has remained unknown until a few years ago.
21p
tanmocphong
29-01-2022
13
1
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We have investigated the time-dependent seismicity model of the earthquake occurrence on a regional basis through the North Anatolian Fault Zone (NAFZ). To that end, the studied region has been subdivided into 7 seismogenic zones considering the seismotectonic criteria, and then regional time and magnitude predictable (RTIMAP) model has been performed. Intervened times and magnitudes of main shocks produced in each zone have predictive properties defined by the RTIMAP.
20p
tanmocphong
29-01-2022
12
1
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We investigated rupture geometry, size, and slip distribution of October 30, 2020, Samos (Sisam)–Kuşadası earthquake combining seismographs, GPS measurements, and SAR analysis. Right after the earthquake, we measured 13 additional campaignbased GPS sites to intensify the available GPS network consisting of 10 continuous stations. We combined all available seismographs to have the best possible accuracy for mainshock and aftershock hypocenter locations. We compiled all available seismic profiles and integrated them using high-resolution bathymetry to map seismically active faults.
11p
tanmocphong
29-01-2022
13
1
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Five accredited Tsunami Service Providers (TSPs) run by IPMA (Portugal), CENALT (France), INGV (Italy), NOA (Greece), and KOERI (Turkey), and several national centers monitor the seismicity and provide tsunami alerts in the framework of the UNESCO Tsunami Early Warning and Mitigation System in the North-eastern Atlantic, the Mediterranean and connected seas (NEAMTWS).
16p
tanmocphong
29-01-2022
16
1
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A geological interpretation of the faulting mechanism is also proposed. The existence of a new unknown source in an intermontane area is problematic. The role of inherited alpine structures seems more important today than in the past. The strike of the two new seismogenic sources, responsible for the two strongest events of the 2021 earthquake succession, differs from the previously known active faults. This forces us to reconsider older views on the direction of development of active faults and the orientation of the stress field.
11p
tanmocphong
29-01-2022
20
0
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In this study, the methodology of probabilistic seismic hazard assessment proposed by cornell and Esteva in 1968 was applied for Hanoi city, using an earthquake catalog updated until 2018 and a comprehensive seismotectonic model of the territory of Vietnam and adjacent sea areas.
18p
12120609
22-03-2020
22
1
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A comparison is made between the hazard map obtained with the neo deterministic seismic hazard assessment, using two different approaches: one based on the events magnitude, listed in parametric earthquake catalogues compiled for the study areas...
16p
12120609
22-03-2020
11
1
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Empirical magnitude conversion relationships are one of the important parameters for not only seismological studies but also seismic hazard analysis and development of the attenuation relationships. Particularly, for seismic hazard analysis, conversion of various types of magnitudes to moment magnitude, which is the most reliable and common magnitude scale, is a key requirement.
11p
viminotaur2711
30-10-2019
11
1
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The seismic risk of the NPP is further assessed by incorporation of the rate of frequency exceedance and conditional failure probability curves. Furthermore, this framework attempts to show the unacceptable performance of the isolated NPP in terms of the probabilistic distribution and annual probability of limit states. The comparative results for long and common ground motions are discussed to contribute to the future safety of nuclear facilities against drastic events like Tohoku.
8p
minhxaminhyeu5
30-06-2019
16
2
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In this paper, a practical approach was presented for performing an earthquake-induced landslide PSA for NPPs subject to seismic hazard. To demonstrate the effectiveness of the proposed approach, it was applied to Korean typical NPP in Korea as a numerical example. The assessment result revealed the quantitative probabilistic effects of peripheral slope failure and subsequent run-out effect on the risk of core damage frequency (CDF) of a NPP during the earthquake event.
15p
minhxaminhyeu3
25-06-2019
12
0
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The data from a local network of 21 and 19 acceleration recordsfor the first and second main shocks have been used to estimate Q-relationship in 30 stations. The seismic hazard map for this region illustrates that most of the area in this province is located within high relative risk and characterized by a large number of heterogeneities.
15p
meriday
26-04-2019
22
1
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The main goal of an Earthquake Early Warning (EEW) system is to reduce the damaging effects of the hazardous earthquakes. The characterization of an earthquake for EEWincludes most importantly, the estimates of itssize (magnitude) and location. In this study, the distance and magnitude of the selected earthquakes were estimated using the envelope ofthe initial part of the P-waveforms deploying a single seismic record.
11p
meriday
26-04-2019
27
0
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Post-earthquake observations showed that the use of URM buildings in the area with high relative hazard of seismicity lead to significant damages. Moreover, defects in design and construction of buildings, which was the result of the lack of enough supervision by responsible organizations, can be considered as other causes of damages. In this paper, observed damages in masonry buildings are presented and investigated in detail.
17p
meriday
20-04-2019
11
0
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In this paper, the results of probabilistic seismic hazard assessment (PSHA) for the Tranh river hydropower plant No 2 site, Quang Nam province, are presented. A regional earthquake catalog updated until 2014 and most recent data on active faulting in the area with a radial extent of 100 km from the HPP site were used. Applied modern techniques in the PSHA methodology including logic tree and hazard disaggregation allow to adopt different models of seismicity, seismic sources and ground motions for the study area.
14p
meolep4
02-01-2019
31
3
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