Tsunami hits Russia, Japan: Why these waves are they so destructive? Key questions answered

Tsunami waves have struck Russian and Japanese coasts after an 8.7-magnitude earthquake struck off the coast of Russia's sparsely-populated far-east region. The Western coast of the United States is also on alert. Here we explain why tsunamis are so destructive.

Tsunami hits Russia, Japan: Why these waves are they so destructive? Key questions answered
Tsunami waves have struck Russian and Japanese coasts after an 8.7-magnitude earthquake struck off the coast of Russia's sparsely-populated far-east region. The Western coast of the United States is also on alert. Here we explain why tsunamis are so destructive.