this is cnn breaking news. welcome to cnn news central, i m rahel solomon alongside john b berman and we are following breaking news for you coming out of japan for you. the japan west coast reeling after a powerful 7.5 magnitude earthquake triggered tsunami warnings. this is the moment that the quake struck a few hours ago. you can see the building crumbling to the ground on the west side there, and you can see the inside of an office building. that is first time that i am seeing the video, and you can see how long it goes on, and how violent that shaking is. the houses have collapsed, and we have seen the pictures of the roofs there just falling down. the earthquake also caused fires in some areas, and at this moment, the tsunami warnings are in effect. they have been downgraded, but you can see the initial impact of one of the tsunamis there, and one of the small waves, but it can be a threat particularly if you are getting repeated waves. the warnings are of waves up