Mud houses in the mountains crumbled as a 7.7-magnitude earthquake shook western Pakistan early on Tuesday. Meanwhile, on the coast, residents of Gwadar saw a solitary island rise from the sea. Older residents of the coastal town said the land emergence was déjà vu — an earthquake in 1968 produced an island that stayed for one year and then vanished, Ali Mohammad, 60, and Azeem Baloch, 57, told NB