Results 1 to 10 of about 99,938 (301)

Effects of ground on earthquake motion [PDF]

open access: yesBulletin of the Seismological Society of America, 1957
ABSTRACT Earthquake damage at a given location depends on properties of the arriving elastic waves, of the ground at the shaken site, and of the structures involved. To investigate effects of the ground on the motion at the surface, five identical seismographs have been operated temporarily at 25 locations within 30 miles from the ...
Gutenberg, B.
openaire   +4 more sources

Physics-based earthquake early warning using distributed acoustic sensing [PDF]

open access: yesScientific Reports
We present a physics-based point source earthquake early warning system using distributed acoustic sensing (DAS) data. All core modules of the system are based on physical principles of wave propagation, and models that describe the earthquake source and
Shahar Ben-Zeev, Itzhak Lior
doaj   +2 more sources

Uncertainties in long-period ground motion and its impact on building structural design: Case study of the 2011 Tohoku (Japan) earthquake [PDF]

open access: yesEngineering Structures, 2013
On March 11, 2011, Japan was shaken by the 2011 off the Pacific coast of Tohoku earthquake (the Great East Japan Earthquake). This paper reports some aspects of this earthquake related to long-period ground motions and its impact on building structural ...
Izuru Takewaki, Shinta Yoshitomi
exaly   +3 more sources

Variabilities of ground motion in 2023 M w 7.8 Pazarcık earthquake in Turkey and 2008 M w 7.9 Wenchuan earthquake in China [PDF]

open access: yesScientific Reports
Both the 2023 M w 7.8 Pazarcık earthquake (strike-slip fault) in Turkey, and the 2008 M w 7.9 Wenchuan earthquake (reverse-slip fault) in China occurred on the Eurasian seismic belt, with comparable moment magnitudes.
Peibin Xu, Xingguo Liu, Lin Li
doaj   +2 more sources

Development of an Earthquake Early Warning System Using Real-Time Strong Motion Signals [PDF]

open access: yesSensors, 2008
As urbanization progresses worldwide, earthquakes pose serious threat to livesand properties for urban areas near major active faults on land or subduction zonesoffshore. Earthquake Early Warning (EEW) can be a useful tool for reducing earthquakehazards,
Hiroo Kanamori, Yih-Min Wu
doaj   +3 more sources

A review on the development on the duration of ground motion

open access: yes地球与行星物理论评, 2021
The duration of earthquake ground motion is acted as one of the three elements indicating of ground motion. Its influence on earthquake damage is gradually recognized by experts and scholars all over the world.
Meiling Zhang, Lihua Tang, Jianqi Lu
doaj   +1 more source

A Stochastic Earthquake Ground Motion Database and Its Application in Seismic Analysis of an RC Frame-Shear Wall Structure

open access: yesBuildings, 2023
A stochastic earthquake ground motion database comprising twelve groups of simulated ground motions was introduced. Ground motions were generated using the stochastic semi-physical model of earthquake ground motions, based on a cluster analysis of 7778 ...
Yanqiong Ding, Yazhou Xu, Shuhang Ding
doaj   +1 more source

Estimation of broadband ground motion characteristics considering source parameter uncertainty and undetermined site condition in densely populated areas of Pingwu

open access: yesFrontiers in Earth Science, 2023
Three destructive earthquakes occurred in Pingwu and Songpan, Sichuan Province, China, between August 16 and 23, 1976. Due to the seismic monitoring capability at that time, the ground motion characteristics of these earthquakes are very vague.
Zhiwei Ji   +7 more
doaj   +1 more source

A review on the multi-criteria seismic hazard analysis of Ethiopia: with implications of infrastructural development

open access: yesGeoenvironmental Disasters, 2021
Earthquake is a sudden release of energy due to faults. Natural calamities like earthquakes can neither be predicted nor prevented. However, the severity of the damages can be minimized by development of proper infrastructure which includes microzonation
Alemayehu Ayele   +2 more
doaj   +1 more source

Analysis of Peak Ground Acceleration and Seismogenic Fault Characteristics of the Mw7.8 Earthquake in Turkey

open access: yesApplied Sciences, 2023
A Mw7.8 earthquake struck Turkey on 6 February 2023, causing severe casualties and economic losses. This paper investigates the characteristics of strong ground motion and seismogenic fault of the earthquake.
Yushi Duan   +5 more
doaj   +1 more source

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