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El Molino: a valley-blocking landslide breach event in Colombia
1 JUNE 2023
Posted by Dave Petley
El Molino: a valley-blocking landslide breach event in Colombia
Back in November I posted twice (here and here) about the very large, valley blocking landslide at El Molino in Colombia on 10 November 2022, which is located at [7.949, -73.025]. Five people were killed and 28 families were rendered homeless. Based on Planet imagery, I noted that “there is concern about the damming of the river as well as about the potential for a further landslide. A small lake has developed.”
Yesterday, Helbert Garcia-Delgado tweeted to that the lake had breached, creating a debris flow:
Link to tweet
The video in the second tweet shows the aftermath of the resultant landslide. This is an area that is very difficult to image with satellites as cloud is very common, but fortunately Planet captured an image on 31 May 2023 that is mostly cloud free. So first, this is an image from 18 May 2023, showing the aftermath of the landslide and with the lake, located on the southern side margin of the landslide, intact:-
The El Molino landslide before the breach of the lake, as captured on 18 May 2023. Image copyright Planet, used with permission.
More:
https://blogs.agu.org/landslideblog/2023/06/01/el-molino-3/