Probabilistic tsunami hazard assessment in the Bohai Sea

Li Hongwei; Wang Zongchen; Yuan Ye; Xu Zhiguo; Wang Peitao; Shi Jianyu

doi:10.3969/j.issn.0253-4193.2019.01.006

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Li Hongwei, Wang Zongchen, Yuan Ye, Xu Zhiguo, Wang Peitao, Shi Jianyu. Probabilistic tsunami hazard assessment in the Bohai Sea[J]. Haiyang Xuebao, 2019, 41(1): 51-57. doi: 10.3969/j.issn.0253-4193.2019.01.006

Citation:

Li Hongwei, Wang Zongchen, Yuan Ye, Xu Zhiguo, Wang Peitao, Shi Jianyu. Probabilistic tsunami hazard assessment in the Bohai Sea[J]. Haiyang Xuebao, 2019, 41(1): 51-57. doi: 10.3969/j.issn.0253-4193.2019.01.006

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Probabilistic tsunami hazard assessment in the Bohai Sea

doi: 10.3969/j.issn.0253-4193.2019.01.006

1.
National Marine and Environmental Forecasting Center, Bejing 100081, China;National Tsunami Warning Center, Ministry of Natural Resources, Beijing 100081, China
2.
National Marine and Environmental Forecasting Center, Bejing 100081, China;National Tsunami Warning Center, Ministry of Natural Resources, Beijing 100081, China;Key Laboratory of Research on Marine Hazards Forecasting, Ministry of Natural Resources, Beijing 100081, China

Received Date: 2018-01-18
Rev Recd Date: 2018-05-10

Abstract

Abstract

As the only semi-enclosed inland sea of China, the Bohai Sea has higher seismicity level and therefore is exposed to tsunami hazard. This study aimed to evaluate the tsunami hazard along the coast of the Bohai Sea by using the probabilistic method. Firstly, we established the magnitude-frequency relationship based on the historical earthquakes catalog in this area. Then, an earthquake catalog of 100 000 years was generated through the stochastic Monte Carlo simulation. At last, based on tsunami simulation of these events and the statistical results of the maximum wave amplitude catalog, the probabilistic tsunami hazard maps of specific return periods along the Bohai Sea coasts and tsunami hazard curves for important cities surrounding the Bohai Sea were plotted. The results indicated that part of the Bohai Bay and Laizhou Bay have higher tsunami hazard than Liaodong Bay, with a moderate threat level of 1-3 m.
- Bohai Sea,
- tsunami,
- probabilistic tsunami hazard assessment

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References(23)

References

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