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首页> 外文期刊>Journal of Volcanology and seismology >Assessment of Tsunami Hazard Due to Regional and Remote Sources: The Coast of the Sea of Okhotsk
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Assessment of Tsunami Hazard Due to Regional and Remote Sources: The Coast of the Sea of Okhotsk

机译:区域和偏远源头引起的海啸危害评估:鄂霍次克海沿岸

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摘要

The tsunami hazard for the coast of the Sea of Okhotsk requires a careful analysis, because this sea will be a zone of responsibility for the Tsunami Warning Service for the Far East coast of Russia. While it is not subject to such hazards on the part of seismogenic zones that can produce dangerous tsunamis, nevertheless the Sea of Okhotsk is open for penetration of tsunamis that can be produced by sources in other tsunamigenerating zones of the Kuril-Kamchatka region, as well as those of the entire Pacific Ocean. The tsunami hazard for the coast of the Sea of Okhotsk is examined here on the basis of historical observations and the results of numerical simulation for tsunami propagation from hypothetical rupture zones of near and distant earthquakes. It is shown that the real tsunami hazard can only emanate from those regional earthquakes with magnitudes 8.5 or greater that occur in the Kuril-Kamchatka seismogenic zone. Among the remote tsunamigenerating zones in the Pacific, the most dangerous locations are the rupture zones of mega-earthquakes of the class M9 that come from the South America zone and from Papua-New Guinea. These can produce water waves with amplitudes as great as 5 m along the entire coast of the Sea of Okhotsk.
机译:需要对鄂霍次克海沿岸的海啸危害进行仔细的分析,因为该海将成为俄罗斯远东海岸海啸预警服务的责任区。虽然可以产生危险海啸的地震发生区不受此类危害的影响,但是鄂霍次克海对海啸的渗透仍是开放的,海啸也可以由千岛-堪察加半岛其他海啸发生区的来源产生和整个太平洋本文根据历史观测结果和假设地震近,远处破裂带海啸传播的数值模拟结果,对鄂霍次克海沿岸的海啸危害进行了研究。结果表明,真正的海啸危害仅源于在千岛-堪察加地震发源区发生的8.5级及以上的区域地震。在太平洋偏远的海啸发生区中,最危险的位置是M9类特大地震的破裂区,这些破裂区来自南美地区和巴布亚新几内亚。这些可以在鄂霍次克海的整个海岸上产生幅度最大为5 m的水波。

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