PowerShell/Docs/list-earthquakes.md

The list-earthquakes.ps1 Script

This PowerShell script lists major earthquakes with magnitude >= 6.0 for the last 30 days.

Parameters

list-earthquakes.ps1 [<CommonParameters>]

[<CommonParameters>]
    This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, 
    WarningVariable, OutBuffer, PipelineVariable, and OutVariable.

Example

PS> ./list-earthquakes

Notes

Author: Markus Fleschutz | License: CC0

Related Links

https://github.com/fleschutz/PowerShell

Source Code

<#
.SYNOPSIS
	Lists major earthquakes
.DESCRIPTION
	This PowerShell script lists major earthquakes with magnitude >= 6.0 for the last 30 days.
.EXAMPLE
	PS> ./list-earthquakes
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

$Format="csv" # cap, csv, geojson, kml, kmlraw, quakeml, text, xml
$MinMagnitude=5.8
$OrderBy="magnitude" # time, time-asc, magnitude, magnitude-asc

function ListEarthquakes { 
	Write-Progress "Loading data from earthquake.usgs.gov..."
	$Quakes = (Invoke-WebRequest -URI "https://earthquake.usgs.gov/fdsnws/event/1/query?format=$Format&minmagnitude=$MinMagnitude&orderby=$OrderBy" -userAgent "curl" -useBasicParsing).Content | ConvertFrom-CSV
	foreach ($Quake in $Quakes) {
		[int]$Depth = $Quake.depth
		New-Object PSObject -Property @{ Mag=$Quake.mag; Depth="$Depth km"; Location=$Quake.place; Time=$Quake.time }
	}
}
 
try {
	ListEarthquakes | Format-Table -property @{e='Mag';width=5},@{e='Location';width=42},@{e='Depth';width=12},Time 
	exit 0 # success
} catch {
	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}

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