<p>Earthquake-triggered tsunamis sweep shores along Iwanuma in northern Japan on Friday. The magnitude 8.9 earthquake slammed Japan's eastern coast, unleashing a 13-foot tsunami.</p>
March 12, 2011
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March 12, 2011 8 p.m.
New quakes rock tsunami-devastated Japan
More than 125 aftershocks have occurred since Friday
SENDAI, Japan - Japan launched a massive, military-led rescue operation Saturday after a giant quake and tsunami killed hundreds of people and turned the northeastern coast into a swampy wasteland as authorities braced for a possible meltdown at a nuclear reactor.