USGS Dr. Dave Applegate says the Japan earthquake ruptured a 180 mile long by 50 mile wide section of the Earth's crust.
Scientists from the United States Geological Service answered questions from the public this afternoon, with some startling revelations made.
* The first tsunami wave in Samoa was reportedly one foot tall, but the seventh wave was much larger, indicating coastal areas shoudl remain on tsunami advisory well after the first wave hits, even if that wave appears small.
* 100+ aftershocks have rated 5.0 magnitude or more in Japan since the initial shake.
* Earth's axis has reportedly shifted ten inches as a result of the quake, and Japan's coast is said to have permanently shifted 2.4 metres.
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