Japan is well prepared for disasters, but this combined earthquake and tsunami is too much even for them. The international community has agreed to make their earth observation satellites available to governments in needs, like Japan right now, through the International Charter Space and Major Disasters. There will be satellite images based on various techniques available soon, also to the public. Right now, it is the specialist and crisis teams who use them.
PlanetBye is a blog run by Bente Lilja Bye aka Stellare. PlanetBye covers mainly scientific topics but also completely random topics like art, social media, personal ramblings etc. The posts on this blog are generally short with links to further reading and sources of information. Clicking on images is encouraged.