Japan 7.3 Quake. Videos of Fukushima, ground shaking the next hours. Aftershocks or Pre-shocks?

A large quake hit Japan today (12/7/12) close to where last year's quake hit that began the Fukushima nuclear nightmare, besides the horrible lost of life and tsunami that wiped away whole areas of Japan.

Below are videos of Fukushima, when the EQ hit today. You can see the violent shaking of the camera. It is towards the end of the first video, but watch how quakes continue to affect the