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。 , E, c$ @1 H) s . O2 g" j4 z ]' aThe British Columbia coast was hit with a magnitude 7.7 earthquake on Saturday night, the U.S. Geological Survey reports. + R5 Y4 D3 N, ~2 M) _: ~; X 6 T$ U2 }0 u$ SThe quake was centred 198 kilometres south-southwest of Prince Rupert at a depth of 10 km, the USGS said.& e- t# _" Q6 S1 A- w