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IRISSeismic (version 1.0.5)

surfaceDistance: Earth surface distance between two points

Description

The surfaceDistance() function calculates the distance in kilometers between any two lat-lon pairs using the Haversine equation.

Usage

surfaceDistance(lat1_deg, lon1_deg, lat2_deg, lon2_deg)

Arguments

lat1_deg
latitude 1 (degrees)
lon1_deg
longitude 1 (degrees)
lat2_deg
latitude 2 (degrees)
lon2_deg
longitude 2 (degrees)

Value

  • Distance in kilometers

References

http://en.wikipedia.org/wiki/Haversine_formula