Table 2 Data types, contents, and structures required by the database
Data type | 2D plate geometry | 2D velocity structure | 3D plate geometry | 3D velocity structure | Hypocenter distribution |
|---|---|---|---|---|---|
Contents | Depth of the plate boundary along a seismic line | 2D velocity distribution along a seismic line | 3D depth profile of the plate boundary | 3D velocity distribution | Hypocentral parameter |
Structure | Â | Origin time | |||
Latitude (decimal degrees) | Latitude (decimal degrees) | Latitude (decimal degrees) | Latitude (decimal degrees) | Latitude (decimal degrees) | |
Longitude (decimal degrees) | Longitude (decimal degrees) | Longitude (decimal degrees) | Longitude (decimal degrees) | Longitude (decimal degrees) | |
Depth (km) | Depth (km) | Depth (km) | Depth (km) | Depth (km) | |
Vp or Vs | Vp or/and Vs; dVp or/and dVs if available | Magnitude: Mj for JMA data M (Watanabe 1971) for other data. | |||