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Earthquake: aftershock of Racha earthquake

Flinn Engdahl Region: Western Caucasus Country: Georgia

Date and Time: 15.06.1991 00:59:20 UTC

Epicenter: 42.44° N 44.03° E WGS84

Focal Depth: 6km

Mb: 5.9 ML: -

Ms: 6.24 Mw: 6.2

Mo: 2.8E+18Nm 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: 8 records Dist. [km] PGA [m/s*s]

Station Name Coordinates Geology D Fault. Horizontal Vertical

Iri 42.517 N 43.551 E stiff soil 40 36 1.097 0.417

Oni 42.583 N 43.44 E stiff soil 51 47 0.704 0.162

Oni-Base Camp 42.573 N 43.436 E soft soil 51 47 0.353 0.15

Zemo Bari 42.522 N 43.305 E stiff soil 60 54 0.601 0.242

Ambrolauri 42.522 N 43.155 E soft soil 73 66 0.169 0.064

Bavra 41.12 N 43.809 E stiff soil 148 126 0.053 0.03

Stepanavan 40.997 N 44.396 E stiff soil 163 139 0.134 0.048

Spitak-Karadzor 40.848 N 44.32 E stiff soil 179 155 0.099 0.045

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