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Earthquake: Racha

Flinn Engdahl Region: Western Caucasus Country: Georgia

Date and Time: 29.04.1991 09:12:48 UTC

Epicenter: 42.39 N 43.68 E WGS84

Focal Depth: 6km

Mb: 6.2 ML: -

Ms: 6.97 Mw: 6.9

Mo: 3.3E+19Nm Intensity:

Fault Mechanism: thrust

Earthquake Reference: Ambraseys N., P. Smit, R. Berardi, D. Rinaldis, F. Cotton, C. Berge (2000): Dissemination of

European Strong-Motion Data. CD-ROM collection, European Commission, DGXII, Science,

Research and Development, Bruxelles, Belgium

Last Revision: 15.06.2000

Acceleration Time Histories:

total: 5 records Dist. [km] PGA [m/s*s]

Station Name Coordinates Geology D Fault. Horizontal Vertical

Akhalkalaki 41.4 N 43.48 E rock 111 108 0.113 0.063

Bogdanovka 41.265 N 43.6 E stiff soil 125 122 0.083 0.06

Bavra 41.12 N 43.809 E stiff soil 142 - 0.096 0.052

Toros 40.928 N 43.873 E rock 163 - 0.104 0.046

Leninakan-SDR Station 40.796 N 43.847 E soft soil 178 - 0.133 0.056

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