The five most popular stories on CNN.com in the past 24 hours, according to NewsPulse.
Devastating earthquake, tsunami hit Japan: As the ground continued to twitch with aftershocks the morning after Japan was struck by the most powerful earthquake in the nation's recorded history, the disaster's massive impact was only beginning to be revealed.
U.S. man killed trying to photograph tsunami: California Gov. Jerry Brown declared a state of emergency Friday in four coastal counties, saying the ocean surge from tsunami waves spawned by an earthquake near Japan is imperiling infrastructure and public safety.
Japanese plants struggling, official says: Reactors at two Japanese power plants can no longer cool radioactive substances, a government official said Saturday, adding that a small leak had been detected at one of the facilities.
Japan, world watches tsunami strike live: Within an hour after a major earthquake rattled Japan, the nation and the world watched a surreal and unprecedented scene from a helicopter hovering above the
Tsunami warning issued for at least 50 areas: Tsunami waves that raced across the Pacific Ocean triggered warnings in more than 50 countries and territories Friday, but there were few immediate reports of major damage outside Japan.