Japan Quake First Anniversary: By the Numbers

On the first anniversary of the biggest natural disaster in Japan's history, an index of relevant numbers.

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Today is exactly one year since a massive earthquake and tsunami, the most powerful on record, devastated Japan -- a deeply solemn anniversary commemorated with memorial services throughout the country.

Here are some raw figures to put the scale of that historic disaster into perspective.

19,000: total number of casualties

128,582: number of buildings completely leveled

243,914: number of buildings partially destroyed

3,155: number still listed as missing

9.0: earthquake magnitude

401: number of confirmed aftershocks

1,200: number of years since an earthquake that strong last hit the region

65: maximum tsunami wave height, in feet

325,000: number of Japanese still homeless

2: number of Japan's 54 nuclear reactors still running

.7: percent Japan's gross domestic product has shrunk

210,000,000,000: Current financial losses due to the quake and tsunami, in U.S. dollars

309,000,000,000: Projected total losses, in U.S. dollars

1.9: Radiation dose at the boundary of the Fukushima Daiichi nuclear power station on March 16, in millisieverts (mSv)

400: Peak radiation dose measured inside Fukushima Daiichi on March 15, in mSv per hour

50: Maximum allowable exposure for U.S. radiation workers, in mSv per year

Pictured: Japanese Emperor Akihito, left, and Empress Michiko, bow during the national memorial service for the victims of the March 11, 2011, earthquake and tsunami in Tokyo.

[Sources: Scientific American, Scientific AmericanAP, CNN, CNN MoneyHuffington Post]

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