The current monitoring indicates that, at this time, there are no signs of immediate risk of major rock avalanches or hazardous wave run-up in inhabited areas of the Uummannaq fjord system. However, spontaneous minor landslides may occur in the unstable mountain slopes marked in red in Figures 1 and 2. It is advised to avoid staying near these areas.
Summary of Monitoring Data for the Past Month
Monitoring data from March 2025 shows signs of displacement activity in the unstable mountain sections at Umiammakku Nunaat and Kangerluarsuk, in the form of rockfalls and more gradual displacements.
Registered rockfall events and displacements in the monitored slopes are shown as coloured areas on the maps in Figures 1 and 2 below. Blue areas indicate areas of persistent sliding movement, while red areas mark locations with repeated rockfall events within the past month.
At Umiammakku Nunaat 1, 2, and 3— above the back escpartment of the 2017 rock , as well as on the mountain east of the landslide—frequent rockfalls and minor slides continue to be observed, with unchanged frequency and extent compared to recent months (see Figure 1).
Slower and more sustained displacements have been recorded by GPS stations in “Kangerluarsuk Kangilleq”. In the coastal section of the slope at “Kangerluarsuk Killeq”, gradual displacements and frequent rockfalls continue to be observed (see Figure 2). It cannot be ruled out that a larger portion of mass may slide eventually into the fjord from this area. This is inferred not to pose a danger to inhabited areas, though it may cause localized wave run-up in the vicinity of the slope.
The next situation assessment will be published on Wednesday, 7 May 2025. Should any critical changes occur in the monitored mountain slopes before then, a notice will be issued earlier.
