What is the longest earthquake ever recorded?
Understand the Problem
The question is asking for information about the longest earthquake that has ever been recorded, including its duration and possibly details about its location and impact.
Answer
32 years
The longest known earthquake lasted 32 years.
Answer for screen readers
The longest known earthquake lasted 32 years.
More Information
The earthquake referred to is a 'slow quake' which ended in disaster in 1861, marking it as a highly unusual geological event compared to sudden ruptures
Tips
It's common to confuse the longest duration of seismic shaking with the longest duration of earthquake activity.
Sources
- The Longest Known Earthquake Lasted 32 Years | Scientific American - scientificamerican.com
- Daily briefing: The longest-known earthquake lasted 32 years - Nature - nature.com
- An earthquake lasted 32 years, and scientists want to know how - National Geographic - nationalgeographic.com
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