Won-Young Kim, a research scientist at the Earth Observatory, said that structural damage rarely occurred during an earthquake with a magnitude of less than 4.

Most materials published on the Earth Observatory, including images, are freely available for re-publication or re-use, including commercial purposes, with the following exceptions:

In 2008, Sieh became the director of Nanyang Technological University's Earth Observatory.

Keep your questions on the topic of the Earth Observatory and climate and environmental science at NASA.

Earth Observatory.

Earth Observatory (2009, April 10).

"Krill fights for survival as sea ice melts" from the NASA's "Earth Observatory".

Earth Observatory page.

It's been a really active time for the Earth Observatory and volcanoes.

On data visualization and information design on the Earth Observatory.