Some more minor updates from the BBC Earthquake Live;
1120: Sato Takero from Sendai has given his reaction to the Japanese emperor's address: "I was born after World War Two," he says. "This is the first time for me to see him on TV or through the internet. It's something beyond imagination. If you understand the culture of the Japanese it is very, very rare for him to come out."
1117: Some 430,000 people displaced by the natural disaster are staying in more than 2,400 shelters, according to Kyodo. It reports that prefectures of Iwate, Miyagi and Fukushima are seeking to build 32,800 temporary housing units.
1113: Japan's main news agency, Kyodo, says the current death toll from Friday's earthquake and tsunami will inevitably climb higher as the recovery of bodies mainly in the tsunami-hit coastal areas "starts in full swing".
1053: Reuters reports that while the emperor has given occasional pre-recorded news conferences on set occasions such as his birthday and before overseas trips, the suddenness of the message, its simultaneous airing on nationwide TV and its content were unprecedented. After the earthquake in Kobe in 1995, which killed more than 6,400 people, \rEmperor Akihito issued a written statement, AFP says
1049: Referring to Emperor Akihito's broadcast address earlier, Japan's NHK TV commentary says that this is the first time the emperor has used a video message to convey his feelings to the Japanese people.