The Sky-Born Blast that Reshaped a Forest

Added: 2026-05-27

[00:00:00]Did you know the Tunguska event in 1908 blasted a huge [music] airburst flattening about 2,000 square kilometers of forest? No impact crater remains, yet trees were shattered in a radius making it one of Earth's most dramatic atmospheric explosions.

[00:00:15]Researchers still debate the cause, but seismic waves and heat signatures convinced scientists it was an airburst rather than a solid impact.

[00:00:24]The event released energy estimated between 10 and 15 megatons, equivalent to hundreds of atomic bombs, >> [music] >> yet left no crater.

[00:00:32]Today in remote Siberia, researchers use trees, growth rings, and satellite data to map that silent [music] catastrophe's lasting fingerprint.