Powerful earthquake collapses buildings, puts Japan on tsunami alert

Japan Earthquake Prompts Tsunami Advisory

Scientists in Japan warn of possible 'major earthquake' in wake of magnitude 7.1 quake Thursday

Raw Footage of Planes Swept Away by Japan Tsunami

Video captures the first swell of tsunami arriving in Japan

Japan tsunami survivors found

‘Battle against time’ to find quake survivors as Japan lifts tsunami warnings and death toll rises

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