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Widespread ground motion distribution caused by rupture directivity during the 2015 Gorkha, Nepal earthquake

Overview of attention for article published in Scientific Reports, June 2016
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Title
Widespread ground motion distribution caused by rupture directivity during the 2015 Gorkha, Nepal earthquake
Published in
Scientific Reports, June 2016
DOI 10.1038/srep28536
Pubmed ID
Authors

Kazuki Koketsu, Hiroe Miyake, Yujia Guo, Hiroaki Kobayashi, Tetsu Masuda, Srinagesh Davuluri, Mukunda Bhattarai, Lok Bijaya Adhikari, Soma Nath Sapkota

Abstract

The ground motion and damage caused by the 2015 Gorkha, Nepal earthquake can be characterized by their widespread distributions to the east. Evidence from strong ground motions, regional acceleration duration, and teleseismic waveforms indicate that rupture directivity contributed significantly to these distributions. This phenomenon has been thought to occur only if a strike-slip or dip-slip rupture propagates to a site in the along-strike or updip direction, respectively. However, even though the earthquake was a dip-slip faulting event and its source fault strike was nearly eastward, evidence for rupture directivity is found in the eastward direction. Here, we explore the reasons for this apparent inconsistency by performing a joint source inversion of seismic and geodetic datasets, and conducting ground motion simulations. The results indicate that the earthquake occurred on the underthrusting Indian lithosphere, with a low dip angle, and that the fault rupture propagated in the along-strike direction at a velocity just slightly below the S-wave velocity. This low dip angle and fast rupture velocity produced rupture directivity in the along-strike direction, which caused widespread ground motion distribution and significant damage extending far eastwards, from central Nepal to Mount Everest.

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Mendeley readers

The data shown below were compiled from readership statistics for 48 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Switzerland 1 2%
Unknown 47 98%

Demographic breakdown

Readers by professional status Count As %
Researcher 12 25%
Student > Ph. D. Student 7 15%
Student > Master 5 10%
Other 3 6%
Professor > Associate Professor 3 6%
Other 4 8%
Unknown 14 29%
Readers by discipline Count As %
Earth and Planetary Sciences 20 42%
Engineering 6 13%
Environmental Science 3 6%
Social Sciences 1 2%
Biochemistry, Genetics and Molecular Biology 1 2%
Other 0 0%
Unknown 17 35%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 28 June 2016.
All research outputs
#18,464,797
of 22,879,161 outputs
Outputs from Scientific Reports
#93,533
of 123,604 outputs
Outputs of similar age
#267,582
of 352,801 outputs
Outputs of similar age from Scientific Reports
#2,671
of 3,655 outputs
Altmetric has tracked 22,879,161 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 123,604 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 18.2. This one is in the 14th percentile – i.e., 14% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 352,801 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 13th percentile – i.e., 13% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 3,655 others from the same source and published within six weeks on either side of this one. This one is in the 16th percentile – i.e., 16% of its contemporaries scored the same or lower than it.