(Euronews: 0615 PST, April 14, 2011) Japanese government scientists are concerned that another massive earthquake could be on the way. Aftershocks are continuing to shake Japan's northeast coast on an almost daily basis; on Thursday morning a tremor measuring 6.1 was registered.

"On March 11 (the day of the original earthquake and tsunami) there was an extremely large magnitude 7.7 aftershock off the coast of Ibaraki prefecture and so that's the the biggest aftershock at the present time," said Keiji Doi, Japan Meteorological Agency's head of earthquake prediction.

(Associated Press: 0430 PST, April 12, 2011) Japan raised the crisis level at its stricken nuclear power plant to 7, the highest on an international scale and on a par with the 1986 accident at Chernobyl.

(Associated Press: 0554 PST, April 11, 2011) A strong new quake and other aftershocks rattled northeastern Japan hours after the country somberly marked one month since a deadly combination of quake and tsunami laid waste to the region.

(Russia Today: 0834 PST, April 7, 2011) A powerful 7.4-magnitude earthquake has struck off the coast of Japan, triggering a new tsunami warning. Residents of the northeast of the country have been ordered to evacuate to higher ground; the region is still in tatters following the deadly tsunami of last month. Early reports warn of a wave up to 2 meters (6 feet) high. Japanese authorities say the workers trying to bring the stricken Fukushima nuclear plant under control have been evacuated.

Raw Video: Magnitude 7.4 Quake Hits Japan Coast

(Associated Press: 0824 PST, April 7, 2011) Japan was rattled by a strong aftershock and tsunami warning Thursday night nearly a month after a devastating earthquake and tsunami flattened the northeastern coast. Warning: This video has no audio.