Citizens of Washington, Oregon and California were ordered to evacuate their homes nearby the Pacific Ocean.
Authorities say nearly 300 bodies have been found in Sendai, a northeastern Japanese city, where about 137 were confirmed dead and 531 missing along with about 630 people who were injured.
A huge portion of the town of Kesennuma with about 70,000 people went down in flames.
The quake was so big that scientists say it ranks as the fifth-largest earthquake in the world since 1900.
The streets of Tokyo were jam-packed with stranded people and vehicles trying to evacuate.
Many of these people have taken shelter on college campuses, in city hall and in restaurants, coffee shops and hotels.
All kinds of added precautions have been issued by the Japanese government, including an order to move at least three miles away from the Tokyo power plants in case of an explosion.
Some might say the Japanese are used to earthquakes, seeing as about 80 percent of the world’s earthquakes occur in the area, but not of this magnitude. It wiped out about 1,800 homes, and about a total of 4 million buildings in the Tokyo area.
Prior to this earthquake, the worst in Japan’s history was a 7.2 which occurred in 1995, killing over 6,000 people.