该部的环境地质处是相关行政管理单位。

The Environmental Geology Section of the Department is the relevant administrative unit.

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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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两种板块边界均与地层系统、地震以及火山活动有关，但在两种边界处观察到的诸般地质活动却迥然不同。

Both kinds of plate boundary are associated with fault systems, earthquakes and volcanism, but the kinds of geologic activity observed at the two boundaries are quite different.

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