Khảo sát các vùng nguồn sóng thần có khả năng gây nguy hiểm tới vùng bờ biển Việt Nam

Nguyễn Hồng Phương, Bùi Công Quế, Nguyễn Đình Xuyên
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Authors

  • Nguyễn Hồng Phương Viện Vật lý Địa cầu
  • Bùi Công Quế Viện Vật lý Địa cầu
  • Nguyễn Đình Xuyên Viện Vật lý Địa cầu

DOI:

https://doi.org/10.15625/0866-7187/32/1/996

Abstract

summary
Investigation of tsunami sources, capable affecting to the Vietnamese coast
Based on the analysis of tectonic feature and geodynamic characteristics of regional faults systems in the South East Asia, nine capable source zones of generating tsunamis that can be
affected to the Vietnamese coast were delineated in the East Vietnam Sea and adjacent sea areas.
Statistical methods were applied to estimate the seismic hazard parameters for each source zone, which can be used for the detailed tsunami hazard assessment in the future. Maximum earthquake
magnitudes are predicted for the Manila Trench (8.3 - 8.7), the Sulu Sea (8.0 - 8.4) and the Selebes Sea source zones (8.1 - 8.5) as well. In the East Vietnam Sea region, the Manila Trench source zone
is considered to be the most dangerous to the Vietnamese coast.
The estimated Mmax values were used to develop simple scenarios (with a point source assumption) to calculate the tsunami travel time from each source zone to the Vietnamese coast. The results show that for the Manila Trench source zone, tsunamis can hit the Vietnamese coast in two hours at the earliest.

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Published

16-06-2012

How to Cite

Phương, N. H., Quế, B. C., & Xuyên, N. Đình. (2012). Khảo sát các vùng nguồn sóng thần có khả năng gây nguy hiểm tới vùng bờ biển Việt Nam. Vietnam Journal of Earth Sciences, 32(1), 36–47. https://doi.org/10.15625/0866-7187/32/1/996

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