Tsunami is only expected to reach 100 meters . CNN 's Kyung Lah in Tokyo contributed to this report . Quake was centered 100 miles of the coast of Okinawa , Japan 's main island . It will be felt in Tokyo , 100 miles from Tokyo , CNN reporter says .
Tsunami is only expected to reach 100 meters . Quake was centered 100 miles of the coast of Okinawa , Japan 's main island . It will be felt in Tokyo , 100 miles from Tokyo , CNN reporter says .