Basel Earthquake: The Worst Quake Ever North of the Alps
A massive earthquake leveled Basel, Switzerland, destroying the city's castle and churches and triggering fires that burned for days. The tremor, the most powerful ever recorded north of the Alps, killed hundreds and reshaped regional building practices, making it a foundational case study in European seismology.
October 18, 1356
670 years ago
Key Figures & Places
What Else Happened on October 18
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