SINGAPORE (DPA): A U.S. Navy vessel is surveying the seabed in the Malacca Straits' shipping lanes off Indonesia's Aceh province to determine if there have been any depth changes from the massive earthquake and tsunami, a published report said on Wednesday. No problems have been reported so far by the nearly 4,000 commercial ships that have transited the straits since the Dec. 26 tsunami, which devastated coastal communities from Malaysia to Somalia. A warning to mariners from the U.S. National Geospatial-Intelligence Agency (NGIA), published in The BusinessTimes, said, "Major changes have likely occurred in the topography of the coastline and...