Linda Hall Library
Science Engineering Technology

Johann Andreas Maschenbauer

The great Lisbon earthquake occurred on Nov. 1, 1755. The churches and streets of Lisbon were packed as this all-Catholic city celebrated All-Saints’ day, when the tremor hit at about 9:30 in the morning. It is estimated to have been a magnitude 8.5 quake, which is quite devastating, and the city was leveled, and nearly 100,000 of its citizens were killed…