<sod >The quake hit around 250 km (160 miles) southeast of Chiniak, Alaska at a depth of 25 km at 9.31am GMT, the US Geological Survey said.< eod>< sod > Alarm was raised after a quake hit around 250 km (160 miles) southeast ofÃÂÃÂ Chiniak, Alaska at a depth of 26 km at 9.40am GMT, the US Geological Survey said.< eod>