Frank Slide

The landslide at Frank and Frank Slide has happened to Frank, a village with 100 inhabitants in the municipality of Crowsnest Pass in the Canadian province of Alberta, about 250 kilometers south of Calgary, in the Rocky Mountains on 29 April 1903.

A compact block of a summit cliff of about 30 million cubic meters ( maximum dimensions: depth of 150 meters, 425 meters, 1010 meters wide ) broke off at 4:10 clock on the summit of Turtle Mountain and fell over a cross from the average of 45 ° at 1,000 meters in depth. There was a destroyed rubble area of ​​about three square kilometers.

The whole event was over in under 90 seconds, with the actual crash is likely to have lasted no more than five to eight seconds. About 70 people lost their lives, some were injured, one passenger train could be stopped in time. About 40 buildings, railway line on the two kilometer length and a driveway were destroyed. There was a small reservoir.