In light of the recent tsunami and earthquake news – re: the 8.8-magnitude tremor that struck off the Russian coast, sending tsunami warnings across the Pacific Ocean – the threat of tectonic shifts ...

A massive tsunami generated by a magnitude-9.1 earthquake struck Japan's coast within 30 minutes. Waves as high as 130 feet spilled over seawalls. Within days, three nuclear reactors were disabled.

In Hawaii, the governor calmly told residents to head for higher ground and warned of heavy damage. In Japan, where residents are still scarred from a 2011 tsunami and nuclear disaster, a normally ...