Servizio Sismico Nazionale NERIES JRA4 Meeting Rome 4 and 5 December 2006 TASK A: SITE SELECTION Monography of the station NORCIA Station code NOR
General Site Information Code NRC__ Site Name-Location NORCIA Surface Geology St Location of the site
Geographical Data Latitude 42.791389 Longitude 13.096389 Altitude (m) 609 Location of the station
Site Description – Housing Table Broader area Ur Picture Y Free Field Type of network Per Instrument location Orientation [L+] Address Piazza San Benedetto Location of the station
Earthquake Recordings Type of Instrument D Present Condition Act Date of activation 1979/09/21 – 2002/07/07 Date of deactivation Strong Motion Records Y number of records 12 - 74 maximum recorded PGA (g) 0.235 Date of Max PGA recorded 1980/11/03 Source ENEA
Morphological Data Morfology Va Basin Geometry Y Width 4 km Depth Length Closest Distance from Edge (Km) 2 km View of the area
Geological Data Geological map Y Stratigraphy & Lithology Bedrock Depth (m) 200 m Ground water table N Water table depth Geological map
Geological sketch legend
Geological sketch 1 Geological sketch 2
Microzonazione sismica di Norcia – Regione Umbria Geognostic Investigation In-Situ Test Y Survey’s Year 2005 Borehole stratigraphy SPT SPT-max. depth at least 20 m CPT CPT-max. depth Survey’s closest distance from station (m) Raw data availability Type of raw data D References Microzonazione sismica di Norcia – Regione Umbria Location surveyings
SPT
Borehole stratigraphy
Geotechnical Laboratory Analysis Lab. Test N Survey’s Year g Resonant Column Test (G-g-D curves) Torsional Shear Test Triaxial Cyclic Loading Test Survey’s closest distance from station (m) Raw data availability Type of raw data References
F. Ponziani (Regione Umbria) Geophysical Data In-Situ Test Y Survey’s Year 2005 P-wave velocity P-depth 60 m P-method DH S-wave velocity S-depth S-method Qp N Qp-depth Qp-method Qs Qs-depth Qs-method Survey’s closest distance from station (m) 500 m Raw data availability Type of raw data D EC8_Code A References F. Ponziani (Regione Umbria)
Vs – Vp Profiles -DH
Vs – Vp Profiles -DH
Peat
Vs – Vp Profiles – Seismic Refraction
Geoelectric tomography
Noise Recordings In-Situ Test Y Survey’s Year 2005-2006 Single station measurements duration of measurements At least 30’ Raw data availability Array measurements N duration of meas. in central station References Dr.ssa L. Luzi – INGV Mi
Misure di microtremore Microtremors INGV Mi HVSR Misure di microtremore
Microtremors INGV
INGV - Microzonazione sismica di Norcia – Regione Umbria Site Response Site Response Analysis Y Survey’s Year 2005 – 2006 Experimental Studies Earthquake Records Experimental Studies Ambient Noise Records Theoretical Studies 1D Theoretical Studies 2D Theoretical Studies 3D References INGV - Microzonazione sismica di Norcia – Regione Umbria H/V
Contact Information Institute SSN-DPC Person Fabio Sabetta e-mail fabio.sabetta@protezionecivile.it