obspy.geodetics.base.mean_longitude¶

mean_longitude(longitudes)[source]¶

Compute sample mean longitude, assuming longitude in degrees from -180 to 180.

>>> lons = (-170.5, -178.3, 166)
>>> np.mean(lons)  
-60.933
>>> mean_longitude(lons)  
179.08509...

Parameters:	longitudes (`ndarray` (or list, ..)) Geographical longitude values ranging from -180 to 180 in degrees.