The European Database of Seismogenic Faults

General information
Region Eastern Europe
Code BGCS024
Name Vratsa
Compiler(s) Kastelic V.(1), Basili R.(1), Radulov A.(2)
Contributor(s) Kastelic V.(1), Basili R.(1), Radulov A.(2)
Created 31/05/2010
Updated 31/03/2012

Parametric information
Parameter Qual. Evidence
Min Depth (km) 1 LD Inferred from regional geological data.
Max Depth (km) 25 EJ Inferred from regional geological and seismological data.
Strike (deg) 290 - 310 EJ Inferred from regional geological data.
Dip (deg) 50 - 70 EJ Inferred from regional geological data.
Rake (deg) 300 - 330 EJ Inferred from regional geological and seismological data.
Slip Rate (mm/y) 0.1 - 0.2 EJ Assumed from regional geological data and geodynamic constraints.
Max Magnitude (Mw) 6.5 EJ Assumed from regional tructural and seismological considerations.
Q-keys: LD = Literature Data; OD = Original Data; ER = Empirical Relationship; AR = Analytical Relationship; EJ = Expert Judgement


Affiliations
1) Istituto Nazionale di Geofisica e Vulcanologia; Sismologia e Tettonofisica; Via di Vigna Murata, 605, I-00143 Roma, Italy
2) Bulgarian Academy of Sciences, Geological Institute "Strashimir Dimitrov"; Laboratory of Seismotectonics; 24 Acad. G. Bonchev Str., 1113 Sofia