Review of the 1755 Lisbon Earthquake Based on Recent Analyses of Historical Observations - Historical Seismology: Interdisciplinary Studies of Past and Recent Earthquakes - page 265

(a) (b)

Fig. 4 a) Isoseismals of 1755 in the current district of Lisbon over the geological map, according
to Pereira de Sousa (1929); b) Chart of intensity (Mercally Modified), done from a possible similar
scenery to 1755 (scenery of Gorringe) (Mendes-Victor et al. 1994)

in the work of 1994, are still away from reproducing satisfactorily the damages
observed. For example, the population of Belem and Pedrou¸os, western areas of
Lisbon, reported just a small shaking, being later amazed when confronted with
what had happened in Lisbon.

Zone destroyed by fire

Hills MMI = X

Fig. 5 Detail of the damages in the downtown Lisbon due to the vibration and fire (according to
Fran¸a, 1978)