The active tectonic landscape of Lake Ohrid (FYR of Macedonia/Albania)

Nadine Hoffmann

Abstract


The study area at the Lake Ohrid Basin is located on 693 m a.s.l. at the south-western border of the Former Yugoslavian Republic of Macedonia with Albania. It is a suitable location for neotectonic studies. It exhibits a large variety of morphological expressions associated with the seismic activity of the region. Linear bedrock fault scarps give the relief on both sides of the lake a staircase-like appearance; other features are wine-glass shaped valleys and triangular facets. These often short living features are used to identify active faults and to parameterise palaeoearthquakes (slip rates, subsidence and erosion). According to the results of fault scarp profiling a halfgraben shape of the basin is proposed with the west coast being dominated by mass wasting processes most likely triggered by seismic events.


Keywords


Tectonic geomorphology; Lake Ohrid; Neotectonics

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References


DOI: https://doi.org/10.4401/ag-6254
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Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X