# 5.2.1.2. eqcorrscan.utils.catalog_to_dd.read_phase

`eqcorrscan.utils.catalog_to_dd.``read_phase`(ph_file)

  Read hypoDD phase files into Obspy catalog class.

  Parameters: | ph_file (str) Phase file to read event info from.
  Returns: | Catalog of events from file.
  Return type: | `obspy.core.event.Catalog`

      >>> from obspy.core.event.catalog import Catalog
      >>> catalog = read_phase('eqcorrscan/tests/test_data/tunnel.phase')
      >>> isinstance(catalog, Catalog)
      True