There are two very interesting landslide videos<\/a> available this week. One is contained in a Tweet by @GeotechTips<\/span><\/a> showing a rather splendid slump<\/a> in what appears to be residual soil. The location and circumstances of this failure are not clear to me. Does anyone have any further information?<\/p>\n https:\/\/twitter.com\/GeotechTips\/status\/1250045392047095808?s=20<\/p>\n .<\/p>\n Perhaps the most interesting aspect of this video is the manner in which the toe of the punches up, deforming the pavement of the road. The motorcyclist is rather lucky, aided by a well-timed swerve and bail out. The motorbike itself appears to be buried at the end of the video.<\/p>\n Viewed after the event, the deposit of this landslide might give one the impression that it had been quite a benign process. The video shows the violence of even quite small landslides.<\/p>\n The other video is the collapse of the Dehdasht – Pataveh tunnel portal in Iran, which occurred on 9 April 2020. This video has been posted to Youtube<\/a>. The video shows a tunnel portal undergo a large-scale rock mass failure:-<\/p>\n