Electronic Supplement to
Development of V_S Profile Database and Proxy-Based Models for V_S30 Prediction in the Pacific Northwest Region of North America

by Sean K. Ahdi, Jonathan P. Stewart, Timothy D. Ancheta, Dong Youp Kwak, and Devjyoti Mitra

Table S4. V_S Profile Database (PDB) for the Pacific Northwest Region of North America—V_S Profiles (Refer to Table S1)

Column ID	Column Name	Description
A	Site ID	Unique PDB site name for purposes of matching sites across studies and between PDB and SDB
B	Depth to top of layer (m)	Depth to the top of the layer in the VS profile in meters. Each row of the spreadsheet defines one layer of the stairstep-formatted VS profile indicated in column A
C	Depth to bottom of layer (m)	Depth to the bottom of the layer in the VS profile in meters. Each row of the spreadsheet defines one layer of the stairstep-formatted VS profile indicated in column A
D	VS of layer (m/s)	Shear-wave velocity of the layer in the VS profile in m/s. Each row of the spreadsheet defines one layer of the stairstep-formatted VS profile indicated in column A
E	Profile source	Defines the source of the VS profile used to populate PDB. Referenced sources are listed in the main description page of the electronic supplement

SDB, site database.

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