Breaking News – Landslides
Jasmine May2022-09-20T17:04:43+00:00Breaking News - Landslides Columbia River Blocked By Massive Landslide 1446-1447 AD By Nancy Aird The 1446-1447 AD Bonneville Landslide (also known as The Bridge of the Gods Landslide) blocks Columbia River where the river bisects the Cascade Range near present day Cascade Locks. The southern escarpment of Table Mountain in Washington State slid, releasing 5-6 square miles of debris up to 400 feet thick into the river. The resulting 300 foot deep lake backed up 170 miles back to present day Tri Cities. It was mostly eroded by 1690, but the Cascade Rapids and Celilo Falls marked the [...]