联邦调查局说这些体貌特征的描述来自于被劫持飞机上的空乘人员。 这个飞机就是1971年11月24日从俄勒冈州波特兰市飞往西雅图的西北航空的305航班。

The physical description came from separate accounts by attendants on the hijacked flight, Northwest Airlines 305, which left Portland, Oregon, bound for Seattle on Nov. 24, 1971.

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美国地质调查局称，震中位于海滨小镇西伯加（Sibolga）西北204公里处，深度约为46公里。

The quake was centered 204 km (127 miles) west-northwest of the coastal town of Sibolga and was at a depth of 46 km (28.6 miles), the U.S. Geological Survey said.

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美国地震调查局称此次地震强度为7.6级，震中位于苏门答腊岛西部的巴东市西北32英里处。

The magnitude 7.6 quake was centred 32 miles north-west of the city in western Sumatra, said the US geological survey.

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