Confusion surrounding last Wednesday’s midday tsunami alert opened opportunities to better coordinate warnings among federal ...

WASHINGTON — The U.S. system to warn about giant waves has improved since the deadly Indian Ocean tsunami in 2004, but more work lies ahead, according to an analysis that ...

The cost of repair or replacement has been estimated as high as $20 million, and cell phone alerts, while far from a perfect warning system, is the primary technology the city relies on.