The scientists positioned the seismic activity as being along the San Andreas fault.

科学家们将地震活动位置定位在圣安德烈亚斯断层沿线。

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Migration of the seismic activity is found before a big event.

发现了大震前地震活动性的迁移。

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The deep structural background for the seismic activity along the transect is also discussed in this paper.

并同时探讨了沿断面区域的地震活动的深部结构、构造背景。

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Seismologists and geophysicists have not been as sure, saying the seismic activity they measured appeared to stem from the mine's collapse.

CNN: Camera lowered into mine cavity shows 'survivable space'

"We'll keep track of the seismic activity to see whether it continues to indicate this underthrusting of the Mediterranean subsurface underneath North Africa, " said Rinus Wortel.

BBC: Europe's future lies under Africa, scientists suggest

The U.S. Geological Survey said it detected seismic activity with a magnitude of 5.1, bigger than the seismic activity produced in North Korea's previous two blasts.

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