Slip model
of the 6 April 2009

L'Aquila earthquake

 

L'Aquila Earthquake

On 6 April 2009, an earthquake of moment magnitude Mw = 6.3 occurred 7 km SW of the L'Aquila town of Italy. The earthquake occurred after a strong number of foreshocks. The earthquake followed by a strong number of aftershocks.

   

   

   

   

   

   

   

   

Map of Foreshocks

Map of Aftershocks

Teleseismic Modeling

Regional Modeling

Teleseismic Modeling for slip

Waveform Fit

Slip Model

PGV Map

Map of Foreshocks (Using data from INGV)


 

Map of Aftershocks (Using data from INGV)


 

Teleseismic modeling using P, SH, SV waves


 

Regional modeling using P,SH,SV waves


 

Focal mechanism and stations whose data used in the inversion procedure


 

Fit between data and synthetics


 

Slip model


 

Synthetic PGV Map


 

Slip model by Agalos A. email: aagalos@geol.uoa.gr

Earthquake modeled by Alexandra Moshou email: amoshou@geol.uoa.gr

References

Agalos A., Papadimitriou P. and Makropoulos K.,2007. Source Parameters Estimation from
Broadband Regional Seismograms for Earthquakes in the Aegean Region and the Gorda Plate.
Proceedings of the 11th International Congress Athens, May 2007

Agalos A., Papadimitriou P., Makropoulos K., 2008. Rupture Histories of Strong Earthquakes. 31st General
Assembly of the European Seismological Commission, held at the Creta Maris
Conference Center, Hersonissos, Crete Greece, Book of Short papers, p 9-16.

Bouchon Michel, 1981. A simple method to calculate Green s functions for elastic layered media.
BSSA, 71, 4, 959-971.

Hartzell S. H., and Heaton T. H., 1983. Inversion of strong ground motion and teleseismic waveform
data for the fault rupture history of the 1979 Imperial Valley, California, earthquake. BSSA, 73, 1553_1583.

Moshou A., Papadimitriou P. and Makropoulos K.,2007. Teleseismic Body Wave Inversion.
Proceedings of the 11th International Congress Athens, May 2007

Moshou A., Papadimitriou P., Makropoulos K., 2008. Waveform Inversion using Teleseismic and
Regional Data for Earthquakes that Occurred in Greece. 31st General Assembly of the European
Seismological Commission, held at the Creta Maris Conference Center, Hersonissos, Crete Greece,
Book of abstracts, p 95.

Wessel, P. and W. H. F. Smith., 1991. Free software helps map and display data, EOS Trans. AGU, 72, 441.