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Helena 1935-10-31 18:37:49 UTC

Region:  Montana
Latitude:  46.6100
Longitude:  -111.9600
Depth:  6.0 km
Mechanism:  Strike-slip
Strike:  268
Dip:  75
Rake:  160
Ms:  6.0

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Helena, MT - Carroll College Epicentral dist: 3.2 km
USGS station 2202 Site Geology: rock
Structure: 5-story bldg
Data Available: corrected acceleration, velocity, displacement, & spectra
Summary Page for this StationPlot Acceleration
Spectra: Log   Lin

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Component: 270 PGA (cm/s/s): 142.50 PGV (cm/s): -13.33 Add this to bin
Component: 180 PGA (cm/s/s): 143.47 PGV (cm/s): 7.34 Add this to bin
Component: Down PGA (cm/s/s): 87.49 PGV (cm/s): -9.70 Add this to bin

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