After volcano erupts in Pacific Ocean, tsunami warning issued for US West Coast

An undersea volcano erupted near the Pacific nation of Tonga on Saturday, sending large tsunami waves crashing across the shore. A tsunami advisory has been issued for Hawaii, Alaska and the US Pacific coast.

An undersea volcano erupted in spectacular fashion near the Pacific nation of Tonga on Saturday, sending large tsunami waves crashing across the shore and people rushing to higher ground. A tsunami advisory was in effect for Hawaii, Alaska and the US Pacific coast.

There were no immediate reports of injuries or the extent of the damage as communications with the small island nation remained cut off hours after the eruption.