usteq
Catastrophic land collapse caused by the melting of permafrost, coastal flooding and erosion.
uncountable
When the threat of permafrost thaw is high in a location also subject to erosion and flooding, the occurrence of usteq may be high.
Where it comes from
Borrowed from Yup'ik uste- (“erode, cave in”). First attested in 2018.
Adapted from the Wiktionary entry usteq (CC BY-SA 4.0).