The Lituya Bay Tsunami hit the Gulf of Alaska more than 60 years ago. On July 9, 1958, an earthquake estimated at magnitude 7.7-8.3 triggered a massive landslide or rockslide here, estimated at 40 million cubic yards. The shape of the bay is long and narrow with glaciers entering it in two locations on the landward side, like the top of the letter T. The rockfall hit one of the glaciers and caused a Tsunami that ranup 1,720 feet on the nearest shore, with a wave height in the bay estimated at 50 to 75 feet high! Read more about the event from one of my favorite geo bloggers, David Bressan on Forbes.com.
Amazing video of a rockslide as it happened yesterday along U.S. Highway 64 in the Ocoee River gorge in Tennessee. TDOT crews had almost finished removing rockslide debris from an event earlier in the day when a second slide occurred, blocking the road again. That looks like a pretty planar joint set dipping right into the roadway and everything was wet from the recent rains. Click through for the video.