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。# X* V/ G; R% j% Q
) k, i. L. C# [* }The British Columbia coast was hit with a magnitude 7.7 earthquake on Saturday night, the U.S. Geological Survey reports. % Y6 G$ s9 s6 C8 M" W6 F ! T2 t2 q: B8 SThe quake was centred 198 kilometres south-southwest of Prince Rupert at a depth of 10 km, the USGS said.( a# A4 @9 [: \8 Z2 P7 b5 u: g