Ninety-six people were killed when an avalanche tore down a mountainside near Stevens Pass and buried two snowbound trains.

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It remains the deadliest avalanche in U.S. history.

On this day 107 years ago, a slab of dense snow cascaded down a hillside near Wellington, just west of Stevens Pass, and knocked two trains off the tracks, threw them down a ravine and buried several coaches.

“It was four o’clock yesterday morning when the white horror with a front half a mile wide and many feet deep roared and plunged down the mountain side upon the doomed trains,” The Seattle Times reported on March 2, 1910.

Ninety-six people died in the slide. Seven years ago, on the 100th anniversary of the Wellington Avalanche, Seattle Times reporter Lynda Mapes recounted the harrowing tale.

On March 1, 1910, an avalanche struck two trains that were stuck in heavy snow and pushed them into a river valley. 96 people were killed in the disaster.