Standard Format for Template Matching of DAS Data

For simple explanation, we use the M6.4 Ridgecrest earthquake as an example.

File name: 38443183.h5

• "template": (group)
• "template".attrs:
  • “event_id”: 38443183 (str)
  • “event_time”: 2019-07-04T17:33:490000+00:00 (str)
  • “latitude”: 35.705 (float)
  • “longitude”: -117.504 (float)
  • “depth_km”: 10.5 (float)
  • “magnitude”: 6.4 (float)
  • “magnitude_type”: Mw (str)
  • “source”: CI (str)
• "template/P": (group)
  • "data": (dataset)
  • "data".attrs:
    • "nt": 400 (int)
    • "nx": 1250 (int)
    • "dt_s": 0.01 (float)
    • "dx_m": 8 (float)
    • “time_reference”: 2019-07-04T17:35:160000+00:00 (str)
    • "time_before": 2 (int)
    • "time_after": 2 (int)
    • "unit": microstrain/s (str)
  • "snr": signal-to-noise ratio of each channel (dataset)
  • "shift_index": shifted time index of each channel based on traveltime (dataset)
  • "travel_time": phase traveltime in seconds (dataset, float32)
  • "travel_time".attrs:
    • "type": 'phasenet' or 1D model name e.g., MAM (str)
    • "tref": the minimal UTCTime of travel times (srt)
• "template/S": (same formart for S phase)
• "template/event": (same formart for the whole event waveform)