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Station: Stepanavan

Code: STPV Country: Armenia

Network: Caucasus strong-motion network

Coordinates: 40.997° N 44.396° E WGS84 Altitude: 1450m above sealevel

Building Type: free-field

Instrument Location: concrete shelter on ground level

Geology: stiff soil Vs,30: -

Operator: National Survey for Seismic Protection of the Republic of Armenia (NSSP), Yerevan, Armenia

Station Reference: Arefiev S., D. Mayer-Rosa, P. Smit, et al. (1991): Spitak (Armenia, USSR) 1988 earthquake

region: Strong-motion data of selected earthquakes June 1990-April 1991. Publication

Series of the Swiss Seismological Service, no. 104, ETH Zurich, Switzerland

Last Revision: 15.06.2000

Acceleration Time Histories:

total: 7 Dist. [km] PGA [m/s*s]

Earthquake Name Date Time M D Fault. Horizontal Vertical

aftershock of Spitak earthquake 19.12.1988 17:29:35 4.2 Ms 26 - 0.159 0.049

aftershock of Spitak earthquake 30.12.1988 13:28:49 3.9 Ms 36 - 0.059 0.022

aftershock of Spitak earthquake 31.12.1988 04:07:10 4.17 Ms 35 - 0.256 0.068

aftershock of Spitak earthquake 04.01.1989 07:29:41 4.1 Ms 15 - 0.270 0.19

Javakheti Highland 16.12.1990 15:45:51 5.25 Ms 70 - 0.222 0.084

Javakheti Highland 23.12.1990 21:28:51 4.1 Ms 73 - 0.110 0.05

aftershock of Racha earthquake 15.06.1991 00:59:20 6.24 Ms 163 139 0.134 0.048

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