Pacific tsunami warning recedes; Tonga covered by ash cloud

The tsunami threat throughout the Pacific from a huge underwater volcanic eruption has begun to recede, though the massive ash cloud covering Tonga is preventing surveillance flights from New Zealand to assess the extent of damage.

What is a tsunami and what causes them?

All coastlines around the world are vulnerable to tsunamis, so it's important to know your community's hazard and evacuation plans in case they're needed.

FOX 10 News at 4pm

We could see windy conditions in parts of the state, including the Valley, over the weekend.