The five most popular stories on CNN.com in the past 24 hours, according to NewsPulse.
Japan struggles with nuclear reactors: A meltdown may have occurred at at least one nuclear power reactor in Japan, the country's chief cabinet secretary, Yukio Edano, said Sunday
Quake moved Japan coast 8 feet: The powerful earthquake that unleashed a devastating tsunami Friday appears to have moved the main island of Japan by 8 feet (2.4 meters) and shifted the Earth on its axis.
Japan scrambles to save survivors, reactors: Japanese authorities are operating on the presumption that possible meltdowns are under way at two nuclear reactors, a government official said Sunday.
State of emergency in 4 California counties: One person was reported dead and numerous boats and harbors suffered damage in the United States after the tsunami triggered by the massive earthquake off Japan.
Japan quake live blog: An 8.9-magnitude earthquake hit northern Japan early Friday, triggering tsunamis that sent a wave filled with boats and houses toward land.