Area | Fault | Lithology of the valley floor | Basin no. | |AF-50| | Class (AF) | Bs | Class (Bs) | Mountain front no. | Smf | Class (Smf) | Average Class | Class RTA |
West North | North Tehran | Andesitic Lava, Pyroclastic and tuff | 1 | 15 | 1 | 3.2 | 2 | 1 | 2.50 | 2 | 1.7 | 2 |
West North | North Tehran | Andesitic Lava, Pyroclastic and tuff | 2 | 3.2 | 2 | 2.1 | 3 | 2 | 2.61 | 2 | 2.3 | 3 |
West North | North Tehran | Andesitic Lava, Pyroclastic and tuff | 3 | 11 | 1 | 3.2 | 2 | 3 | 2.50 | 2 | 1.7 | 2 |
Middle North | North Tehran | Andesitic Lava, Pyroclastic and tuff | 4 | 2 | 3 | 3 | 3 | 4 | 2.32 | 2 | 2.7 | 3 |
Middle North | North Tehran | Andesitic Lava, Pyroclastic and tuff | 5 | 3 | 3 | 2.9 | 3 | 5 | 1.65 | 2 | 2.7 | 3 |
Middle North | North Tehran | Andesitic Lava, Pyroclastic and tuff | 6 | 5 | 2 | 1.6 | 3 | - | - | - | 2.5 | 3 |
Middle North | North Tehran | Andesitic Lava, Pyroclastic and tuff | 7 | 2 | 3 | 2.9 | 3 | - | - | - | 3 | 3 |
North East | NTF & MF | Andesitic Lava, Pyroclastic and tuff | 8 | 6.2 | 1 | 4 | 1 | 6 | 1.4 | 1 | 1 | 1 |
North East | Mosha | Andesitic Lava, Pyroclastic and tuff | 9 | 16 | 1 | 4.5 | 1 | - | - | - | 1 | 1 |
East | Narmak | Mountain front no. | - | - | - | - | - | 7 | 2.18 | 2 | 2 | 2 |
East | Kosar | Mountain front no. | - | - | - | - | - | 8 | 2.05 | 2 | 2 | 2 |
East | Ghasre Firuze | Conglomerate and tuff | 10 | 5.8 | 2 | 2.2 | 3 | - | - | - | 2.5 | 3 |
East | Ghasre Firuze | Shale, Sandstone and Conglomerate | 11 | 5 | 2 | 1.4 | 3 | - | - | - | 2.5 | 3 |
South East | Amin Abad | Dolomite and Limestone | - | - | - | - | - | 9 | 1.48 | 2 | 2 | 2 |
South East | Parchin | Conglomerate, Limestone and Dolomite | 12 | 7 | 1 | 5.5 | 1 | 10 | 1.39 | 1 | 1 | 1 |
South East | Parchin | Conglomerate, Limestone and Dolomite | 13 | 6.1 | 1 | 4.4 | 1 | 11 | 1.38 | 1 | 1 | 1 |