A powerful 6.8 magnitude aftershock hit the east coast of Japan on Saturday, according to the USGS, following a massive 8.8 magnitude earthquake rocked Japan Friday afternoon.

According to the latest information, the death toll from Friday 's powerful quake Japan reached 236 Saturday in nine prefectures, including Tokyo, with the toll likely to rise to over 1,000 following some areas suffered devastating damage in the 8.8 magnitude earthquake, the strongest ever recorded in Japan, the National Police Agency (NPA) and the Defense Ministry said.

As of 9 a.m., 725 people were left unaccounted for following Friday's quake.