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1,000-foot mega-tsunami could wipe out US West Coast cities in minutes, scientists warn

Scientists are warning that the Cascadia Subduction Zone — a 700-mile fault system running along the US West Coast — is ...

Earthquake sets off brief tsunami alert and a megaquake advisory in northern Japan

A 7.7 magnitude earthquake Monday off northern Japan sparked a short-lived tsunami alert and an advisory of a slightly higher ...

Japan issues tsunami alert following 7.7 magnitude earthquake, warns of mega-quake risk

Japan's 7.7-magnitude earthquake raises concerns of a mega-quake risk, prompting government advisories and emergency measures ...

Alert for potential mega quake issued, tsunami advisories lifted

After a strong earthquake struck northern Japan, tsunami advisories were issued but have since been lifted. However, people ...

Japan earthquake live: Carry emergency supplies for a week, Japanese told - after 'mega-quake' warning

A 7.7-magnitude earthquake has struck off the ​northern coast of Japan, prompting warnings that tsunami waves of up to 3m ...