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。+ S) X$ g5 [( g# x1 J
) g" D; h. p. f/ v( S7 N1 _The British Columbia coast was hit with a magnitude 7.7 earthquake on Saturday night, the U.S. Geological Survey reports. 2 ^; R# g8 ]6 a/ T5 I5 w Y + E' r' _. K4 C/ Q( T4 gThe quake was centred 198 kilometres south-southwest of Prince Rupert at a depth of 10 km, the USGS said.6 j& l& E; M4 w# w! n