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Earthquake: aftershock of Umbro-Marchigiana earthquake

Flinn Engdahl Region: Central Italy Country: Italy

Date and Time: 04.10.1997 16:13:33 UTC

Epicenter: 42.956° N 12.831° E WGS84

Focal Depth: 10km

Mb: 4.2 ML: -

Ms: 48 Mw: 4.7

Mo: 1.2E+16Nm Intensity:

Fault Mechanism: normal

Earthquake Reference: International Seismological Center: http://www.isc.ac.uk, Thatcham, UK

Last Revision: 15.06.2000

Acceleration Time Histories:

total: 5 records Dist. [km] PGA [m/s*s]

Station Name Coordinates Geology D Fault. Horizontal Vertical

Colfiorito-Casermette 43.028 N 12.9 E soft soil 10 - 0.269 0.24

Colfiorito 43.037 N 12.921 E stiff soil 12 - 0.223 0.222

Nocera Umbra-Biscontini 43.103 N 12.805 E rock 16 - 0.203 0.065

Nocera Umbra 43.113 N 12.785 E rock 18 - 0.293 0.109

Rieti 42.43 N 12.821 E soft soil 58 - 0.050 0.023

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