Help: distaz v.1

Description

The distance-azimuth service will calculate the great-circle angular distance, azimuth, and backazimuth between two geographic coordinate pairs. All results are reported in degrees, with azimuth and backazimuth measured clockwise from North.

The azimuth is the angle from the station to the event, while the backazimuth is the angle from the event to the station.

Latitudes are converted to geocentric latitudes using the WGS84 spheroid to correct for ellipticity.

The results are returned in a simple XML format.


Problems with this service?

Please send an email report of which service you were using, your URL query, and any error feedback to:
ws-issues AT iris.washington.edu
We will address your issue as soon as possible.

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