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。 * R3 \% U: f6 s ! }* q, o5 p E8 S7 E' y/ y3 S$ j* jThe British Columbia coast was hit with a magnitude 7.7 earthquake on Saturday night, the U.S. Geological Survey reports. $ m# x" _+ l1 t P/ X : r! w" g% L h eThe quake was centred 198 kilometres south-southwest of Prince Rupert at a depth of 10 km, the USGS said.% O/ ?" L+ t: U( b* i) O