Attenuation of Intensity for the Zemmouri Earthquake of 21 May 2003 (Mw 6.8): Insights for the Seismic Hazard and Historical Earthquake Sources in Northern Algeria - Historical Seismology: Interdisciplinary Studies of Past and Recent Earthquakes - page 330

Fig. 6 Isoseismal map of the Villebourg earthquake of 15 January 1891 (Ms 6.0, I 0 IX EMS) (Vlb:
Villebourg, Gya: Gouraya)

Larh a t

Larhat

>100 m
>200 m

1
2
3
500 m

Fig. 7 The landslide reactivated by the Villebourg earthquake of 15 January 1891 (1: compressive
pad, 2: zone uplifted during the earthquake, 3: hydrographic network)

7 Discussion and Conclusion

The 2003 Zemmouri earthquake induced a large number of fatalities and serious
damage along the Algerian coast. The results of the detailed macroseismic survey
indicate the spatial distribution of the related effects in terms of an isoseismals
map and related intensity attenuation. A maximum intensity of X (EMS) has been
assessed inside numerous isolated areas separated by others with a lower intensity