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。7 ~0 U, o% y! q; ^% G6 L
3 n! j9 i6 G* g* W; h% NThe British Columbia coast was hit with a magnitude 7.7 earthquake on Saturday night, the U.S. Geological Survey reports.+ c4 ]0 r# i" E, |; q
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The quake was centred 198 kilometres south-southwest of Prince Rupert at a depth of 10 km, the USGS said.7 M6 U% ~7 g/ U1 B& m