| quantity | type | model |
| 4 | datalogger | Reftek 130S-01 |
| 4 | velocimeter 5s | Lennartz LE-3D/5s MkII |
| 4 | velocimeter 1s | Lennartz LE-3Dlite (3 MkII + 1 MkIII) |
| 1 | velocimeter 2 Hz + datalogger | SARA SL06 |
| 1 | datalogger | SomatXR CX23-R Data Processor |
| 1 | amplificator |
The Fosso di Vallerano valley, Rome (Italy), is an alluvial valley characterized by a complex geological setting which implies significant vertical and horizontal heterogene- ities. In the last decade, this area experienced an intense urbanization which changes the ori- ginal seismic response conditions of free field. According to these features, the Fosso di Vallerano valley has been chosen as case study to analyze the influence of buildings on the local seismic response (Site-City Interaction – SCI).
After the 2016–2017 seismic sequence in Central Apennines, seismic microzonation studies were planned in the framework of the Ordinance 24 of the 12 th of May 2017 (OPCM 24/2017) issued by the Italian Presidency of the Council of Ministers. Numerical simulations aiming at estimating seismic amplification factors of uniform microzones located in several municipalities of the Latium Region were carried out in order to provide quantitative elements for reconstruction. The investigated areas include alluvial valleys of variable
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