Create Site collection using power shell sharepoint 2013

Ex:1
New-SPSite -URL  "http://www.contoso.com/sites/eTeamSite"  -OwnerAlias "Contoso\Administrator" -Template "STS#0"


Ex:2

$template= Get-SPWebTemplate "STS#1"
New-SPSite  -URL "http://www.contoso.com/sites/Leere" -OwnerAlias "CONTOSO\GarethF" -Template $template