Standard Format for Template Matching of DAS Data

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

File name: template.h5

• "ci38443183": (group, format: event_id)
• "ci38443183".attrs:
  • “event_id”: ci38443183 (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)
• "ci38443183/P_Z": (group, format: {phase}_{component})
  • "data": (dataset; shape: [nx, nt]; unit: μm/s; float32)
  • "data".attrs:
    • "nt": 400 (int)
    • "nx": 1250 (int)
    • "dt_s": 0.01 (float)
    • "dx_m": 8 (float)
    • "time_before_s": 2 (int)
    • "time_after_s": 2 (int)
    • "unit": microstrain/s (str)
  • "travel_time": (dataset; shape: [nx,]; float32)
  • "travel_time_index": (dataset; shape: [nx,]; int)
  • "travel_time_type": (dataset; shape: [nx,]; int)
  • "travel_time_type".attrs:
    • "0": "predicted"
    • "1": "auto_picked"
    • "2": "manual_picked"
  • "station_id": (dataset; shape: [nx,]; str)
  • "snr": (dataset, shape: nx)
• "ci38443183/S_E": (same formart for S phase)
• "ci38443183/S_H": (same formart for S phase)