Table 1 Physical MTD parameters and identified kinematic indicators
MTD | Stratigraphic sequence and age | Volume (km3) | Area (km2) | Average thickness (m) | Runout (km) | Translation direction | Headwall domain | Translational domain | Toe domain (confined/emergent) |
|---|---|---|---|---|---|---|---|---|---|
1 | Kumano 4 0.9 Ma to 0.3–0.44 Ma | 0.999 | 21.8 | 45.8 | 7.884 | S ➔ N | None | LM: scarps, en-echelon sigmoidal segments BSS: flats, grooves IMB: translated block TMS: second-order fabric | Confined: thrusts |
2 | Kumano 4 0.9 Ma to 0.3–0.44 Ma | 0.03 | 1.5 | 20 | 1.729 | SE ➔ NW | Headwall | LM: scarps BSS: flats IMB: none TMS: none | Emergent: pressure ridges |
3 | Kumano 3 0.3–0.44 Ma to Present | 0.358* | 7.73* | 46.3 | 3.238 | SE ➔ NW | None | LM: scarps, en-echelon sigmoidal segments BSS: ramps, flats IMB: translated blocks TMS: none | Confined: thrusts |
4 | Kumano 3 0.3–0.44 Ma to Present | 1.155 | 14.15 | 81.62 | 5.741 | SE ➔ NW | Headwall | LM: scarps, en-echelon sigmoidal segments BSS: ramps, flats IMB: translated Blocks TMS: none | Mostly confined: thrusts |
5 | Kumano 3–2 0.3–0.44 Ma to Present | 0.005 | 0.2 | 25 | 0.552 | S ➔ N | Headwall | LM: scarps BSS: ramps, flats IMB: none TMS: none | Mostly confined: thrusts, pressure ridges |
6 | Kumano 2–1 0.3–0.44 Ma to Present | 0.297 | 13.1 | 22.7 | 4.136 | S ➔ N | None | LM: scarps BSS: ramps, flats IMB: none TMS: none | Emergent: none |
7 | Kumano 2–1 0.3–0.44 Ma to Present | 0.031 | 1.2 | 25.8 | 1.508 | SW ➔ NE | Headwall | LM: scarps BSS: flats IMB: none TMS: none | Emergent: pressure ridges |