TOKYO Countries across the Pacific rim lifted tsunami warnings on July 31, allowing millions of temporary evacuees to return home. After one of the strongest earthquakes ever recorded rattled Russia's sparsely populated Far East, more than a dozen nations, from Japan to the United States to Ecuador, warned citizens to stay away from coastal regions. Storm surges of up to four meters were predicted for some parts of the Pacific, after the 8.8 quake struck off Russia's Kamchatka peninsula. The