Japan on high alert for 'huge' second quake after issuing tsunami warning
BBC News
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Japan's meteorological agency warns another, stronger earthquake may hit in the next week,
- Massive 7.5 earthquake triggers tsunami warnings in Japan, 9-foot waves expected NY Post —
- Japan triggers tsunami advisory after magnitude 7.7 quake Reuters —
- 7.5 earthquake strikes Japan, tsunami advisory issued for northern coast Global News —
- Japan warns of slightly increased risk of mega-quake after a 7.7-magnitude one CTV News —
- Japan Under Tsunami Warning Following M7.7 Quake, With Second ‘Mega-quake’ Possible Gizmodo —