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Lisbon earthquake 1755 Trivia Questions

How much do you really know about Lisbon earthquake 1755? Below are 8 true or false statements. Click each one to reveal the answer and explanation.

1.

The earthquake destroyed Lisbon but left the royal palace completely intact, saving the king.

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Medium
✗ FALSE

The royal palace was heavily damaged, and King José I survived only because he was away on a hunting trip that morning.

2.

The earthquake caused a massive fire that burned for six days because the city’s firefighting system was destroyed.

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Medium
✓ TRUE

The quake toppled buildings and candles, sparking fires that raged for nearly a week, worsened by rubble blocking water access.

3.

The Lisbon earthquake was the first major earthquake ever recorded in European history.

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Medium
✗ FALSE

Many earlier earthquakes were recorded in Europe, such as the 1693 Sicily earthquake; the 1755 quake was just exceptionally well-documented globally.

4.

The 1755 Lisbon earthquake occurred on a Sunday morning, when many were in church for All Saints' Day.

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Medium
✓ TRUE

The earthquake struck around 9:40 AM on November 1, 1755, a Catholic holy day, collapsing churches and killing worshippers inside.

5.

A myth claims the earthquake was caused by the eruption of a nearby volcano that no one noticed.

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Hard
✗ FALSE

No volcano erupted nearby; the quake was tectonic, caused by movement along the Azores-Gibraltar Transform Fault, not volcanic activity.

6.

The earthquake triggered a tsunami that crossed the Atlantic and was recorded in the Caribbean.

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Hard
✓ TRUE

The tsunami reached waves as high as 20 meters in Portugal and was observed in Barbados and other Caribbean islands hours later.

7.

Voltaire wrote a famous poem criticizing the earthquake as divine punishment for human sins.

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Hard
✗ FALSE

Voltaire wrote the 'Poem on the Lisbon Disaster,' but he actually used the quake to argue against the idea of a benevolent God and optimistic philosophy.

8.

The earthquake inspired early modern seismology through the Marquis of Pombal’s scientific questionnaire.

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Hard
✓ TRUE

Pombal sent a questionnaire to parishes across Portugal asking about damage and timing, a pioneering step in earthquake science.

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