prince Rupert 附近刚发生了大地震,震源深度很浅,不知会不会引发海啸。* I* ?! H H! [' r7 K# ], W3 Y( K
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The British Columbia coast was hit with a magnitude 7.7 earthquake on Saturday night, the U.S. Geological Survey reports.& V; A3 A' B' }- N- s
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The quake was centred 198 kilometres south-southwest of Prince Rupert at a depth of 10 km, the USGS said.9 |. \/ f5 F' X7 J0 q+ d" W6 O' _' X