Faults of the Bohemian Massif

Source of Analytical Data on Main Faults and Faulted Areas with Seismic Potential

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dbz:diendorf-boskovice_fault

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dbz:diendorf-boskovice_fault [2021/04/29 15:45]
petrs [Quaternary]
dbz:diendorf-boskovice_fault [2021/04/29 15:46]
petrs [Quaternary]
Line 157: Line 157:
   *In the southern part of DBF, the sections DF_1 to BF_2 are ranked **class 3**, i.e. assumed or admitted to be active but without direct evidence. Quaternary slip rate at fault sections north of DF_3 is assumed very low (<0.01 mm/y). Southern sections may later be ranked class 1 (demonstrably active) when new earthquake data (better location, focal mechanism) bring clear evidence.   *In the southern part of DBF, the sections DF_1 to BF_2 are ranked **class 3**, i.e. assumed or admitted to be active but without direct evidence. Quaternary slip rate at fault sections north of DF_3 is assumed very low (<0.01 mm/y). Southern sections may later be ranked class 1 (demonstrably active) when new earthquake data (better location, focal mechanism) bring clear evidence.
   *In the northern part of DBF, the sections BF_3 to BF_ 17 are ranked **class 4**, i.e. assumed or demonstrated to be inactive.   *In the northern part of DBF, the sections BF_3 to BF_ 17 are ranked **class 4**, i.e. assumed or demonstrated to be inactive.
-On a theoretical basis, the evaluation of similarly oriented fault sections by different activity ranks may be justified by:+On a theoretical basis, the evaluation of similarly oriented sections of DBF by different activity ranks may be justified by:
   -expected northward decrease of rate of stress build-up (and hence crustal strain rate), and    -expected northward decrease of rate of stress build-up (and hence crustal strain rate), and 
   -expected northward decrease of slip potential due to rotation of stress orientation near junction of the Alpine and the West-European stress domains.   -expected northward decrease of slip potential due to rotation of stress orientation near junction of the Alpine and the West-European stress domains.
dbz/diendorf-boskovice_fault.txt ยท Last modified: 2024/05/29 16:39 by petrs