SIMULATION OF TSUNAMIS FROM GREAT EARTHQUAKES ON THE CASCADIA SUBDUCTION ZONE

被引：22

作者：

NG, MKF ^{[1
]}

LEBLOND, PH ^{[1
]}

MURTY, TS ^{[1
]}

机构：

[1] INST OCEAN SCI,SIDNEY V8L 4B2,BC,CANADA

来源：

SCIENCE | 1990年 / 250卷 / 4985期

关键词：

D O I：

10.1126/science.250.4985.1248

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Large earthquakes occur episodically in the Cascadia subduction zone. A numerical model has been used to simulate and assess the hazards of a tsunami generated by a hypothetical earthquake of magnitude 8.5 associated with rupture of the northern sections of the subduction zone. Wave amplitudes on the outer coast are closely related to the magnitude of sea-bottom displacement (5.0 meters). Some amplification, up to a factor of 3, may occur in some coastal embayments. Wave amplitudes in the protected waters of Puget Sound and the Strait of Georgia are predicted to be only about one fifth of those estimated on the outer coast.

引用

页码：1248 / 1251

页数：4

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