 "China building tsunami alert centre in South China Sea")
The US government has issued a warning about possible tsunamis, or giant tidal waves, following a 7.5 earthquake recorded under the sea off the southwest coast of Alaska, the US Tsunami Warning Centers said.
"Magnitude 7.5 [on the Richter scale] depth 25 miles. Location 55 miles southeast of Sand Point, Alaska [at] 4:54 pm [Eastern Time]. Latitude 54 degrees 7 minutes, Longitude 159 degrees 6 minutes," the Tsunami Warning Centers said on Monday.
