December 20, 1989 |
Redoubt Volcano erupted more vigorously Tuesday than it has since it first exploded to life, and intense heat from the exploding mountain was melting nearby glaciers, the Alaska Volcano Observatory reported. Airlines, virtually grounded by volcanic ash clouds, were taking the unusual step of telling many travelers to stay put for the holidays, or at least until the volcano calms down and flying returns to normal. But the U.S. Postal Service found a way to get mail in and out of Alaska.