In San Francisco, fire crews drove up and down the beaches shouting for people to "clear the beach, tsunami warning." Dan Beniflah was walking his dog on the beach before the fire crews arrived.

Here's what we know about the major earthquake that struck the Pacific Island nation and triggered tsunami warnings.

Dan Beniflah was walking his dog along the beach before fire personnel ordered everyone to evacuate. He said the warning felt like another tsunami scare in San Francisco that he remembers from ...