# 5.4.1.10. eqcorrscan.utils.clustering.group_delays

`eqcorrscan.utils.clustering.``group_delays`(stream_list)

  Group template waveforms according to their arrival times (delays).

  Parameters: | stream_list (list) List of `obspy.core.stream.Stream` waveforms you want to group.
  Returns: | list of List of `obspy.core.stream.Stream` where each initial list is a group with the same delays.
  Return type: | list