7.1 earthquake: The new tremor late Thursday threw even more areas into disarray and sent communities that had made some gains back to square one.
Stocks fell initially on Japan's latest earthquake, but recovered some of their losses. The Dow average dropped 17 points; the S&P 500 index fell 2 points.
A magnitude 7.1 earthquake shook northeast Japan late Thursday. A tsunami warning was issued, then lifted for the coast, already devastated by last month's massive quake and the tsunami that crippled the Fukushima nuclear power plant.
The discovery of fish carrying high levels of radioactive materials off the Pacific Coast is stoking concerns about the viability of Japan's seafood industry.
The Japan meteorological agency issued a tsunami warning for a wave of up to 6 feet for a coastal area already torn apart by last month's tsunami.
Greens/European Free Alliance French members hold crossed nuclear signs and others with wind turbines at the beginning of a debate on the implications of Japan's Fukushima disaster on nuclear safety in Europe during a session of the European Parliament in Strasbourg, France.
Workers plugged a leak of highly radioactive water into the ocean from Japan's Fukushima Daiichi nuclear power plant Wednesday, even as they tried to prevent another hydrogen explosion in reactor No. 1 by injecting nitrogen gas.
Officials say workers have stopped highly radioactive water from leaking into the ocean from the stricken Fukushima Daiichi nuclear plant's No. 2 reactor. Concerns now center on a buildup of hydrogen inside reactor No. 1.
Radiation is contaminating seawater near the Fukushima Daiichi nuclear complex, but workers are reported to be making headway sealing the leak. Officials say radioactive substances will dissipate in the Pacific.
Japanese officials allowed owners of the damaged Fukushima nuclear power plant to empty tanks holding 10,000 tons of slightly radioactive water into the ocean – in order to make room to pump highly contaminated water out of reactor No. 2.