Proceedings of the Sixth Symposium of Risk Analysis and Risk Management in Western China (WRARM 2019)

The Calculation of Arias Intensity in North – South Seismic Belt Based on Probabilistic Seismic Hazard Analysis

Authors
Weijin Xu, Xuejing Li, Mengtan Gao
Corresponding Author
Weijin Xu
Available Online September 2019.
DOI
https://doi.org/10.2991/wrarm-19.2019.21How to use a DOI?
Keywords
Arias Intensity, Seismic Hazard Analysis, Earthquake Induced Landslides, North-South Seismic Belt
Abstract
Arias intensity (IA) is an important seismic parameter which contains the information of amplitude, frequencies and duration of ground motion, and which plays an important role in characterizing seismic hazard such as earthquake-induced landslide. In this paper, we carry out the probabilistic seismic hazard analysis based on arias intensity in the North-South seismic belt. We adopt the source areas and seismicity parameters which were used in the fifth generation of the ground motion parameter zoning map of China, and two prediction equations of arias intensity to calculate the values of arias intensity in North-South seismic belt for 10% probability of exceedance in 50a. The results show that the magnitude of arias intensity is greater than 0.11m/s in most regions of the North-South seismic belt. The provincial capital city and most prefecture-level cities in the seismic zone are located in the region with the value of arias intensity greater than 0.32m/s. The values of arias intensity are above 0.54m/s in the region around the main fault zone. This means that the North-South seismic belt have extremely high seismic hazard in earthquake-induced landslide and liquefaction. It should be strengthened that the evaluation and prevention of earthquake-induced landslide in this area. The results of this paper are of great scientific significance for understanding the seismic hazard of the North-South seismic belt on the other hand.
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Volume Title
Proceedings of the Sixth Symposium of Risk Analysis and Risk Management in Western China (WRARM 2019)
Series
Advances in Intelligent Systems Research
Publication Date
September 2019
ISBN
978-94-6252-793-5
ISSN
1951-6851
DOI
https://doi.org/10.2991/wrarm-19.2019.21How to use a DOI?
Open Access
This is an open access article distributed under the CC BY-NC license.

Cite this article

TY  - CONF
AU  - Weijin Xu
AU  - Xuejing Li
AU  - Mengtan Gao
PY  - 2019/09
DA  - 2019/09
TI  - The Calculation of Arias Intensity in North – South Seismic Belt Based on Probabilistic Seismic Hazard Analysis
BT  - Proceedings of the Sixth Symposium of Risk Analysis and Risk Management in Western China (WRARM 2019)
PB  - Atlantis Press
SP  - 107
EP  - 110
SN  - 1951-6851
UR  - https://doi.org/10.2991/wrarm-19.2019.21
DO  - https://doi.org/10.2991/wrarm-19.2019.21
ID  - Xu2019/09
ER  -