magnitude

Authorities in Japan says the death toll could pass 10,000 in one northeastern state alone, following last week's earthquake and tsunami.

The Japanese government is struggling to cope as it faces a growing nuclear crisis as well.

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The effects of the magnitude 7.0 earthquake that devastated Haiti last year are everywhere. Rubble still covers much of the capital.

More than 1 million people remain in improvised huts in makeshift encampments. Some progress is being made, but it's coming slowly.

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The magnitude 7.0 earthquake struck a country whose buildings were barely built to engineering standards and were hopelessly fragile in the grip of such a strong quake.

Haiti has no national building code, and many structures may not have been sound to begin with.

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The death toll from Tuesday's earthquake in Haiti is not yet known, though it is expected to be high. That's partly because of low construction standards in the capital, Port-au-Prince, and partly because the magnitude 7 quake was centered so close to the city.

The fault, which had been quiet for years, released a huge amount of energy.