The 1908 Tunguska Event, thought to have been caused by an asteroid roughly 50 meters in diameter, flattened 2,150 square kilometres of forest.
Sources
- July 5: the day the world was due to end – Cosmos (cosmos.isas.jaxa.jp)
- https://armagh.space/weather/history/tunguska-event (armagh.space)
- https://ntrs.nasa.gov/api/citations/20190002302/downloads/20190002302.pdf (ntrs.nasa.gov)
- https://www.sciencedirect.com/science/article/abs/pii/S0019103523004244 (sciencedirect.com)
- https://www.sciencenews.org/article/tunguska-century-later (sciencenews.org)
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