The Central Pacific Hurricane Basin has seen a surprising uptick in storms in late July from both major Hurricane Iona and Tropical Storm Keli.

The National Hurricane Center gives the latest update on Hurricane Iona and says it is "rapidly weakening" to the south of Hawaii.

A tsunami warning has been issued for Hawaii, where waves set off by an 8.8-magnitude earthquake in Russia’s remote Far East ...

While South Florida is safe from earthquake and tsunami threats, many are wondering about how the phenomena work.