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  1. Tunguska event - Wikipedia

    The Tunguska event was a large explosion of between 3–50 megatons TNT equivalent [2] that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, …

  2. Tunguska event | Summary, Cause, & Facts | Britannica

    Earth’s largest impact event during recorded history is the Tunguska event, which occurred on June 30, 1908. On that day, an asteroid or comet exploded approximately 5–10 km (3–6 miles) above central …

  3. 115 Years Ago: The Tunguska Asteroid Impact Event - NASA

    Jun 30, 2023 · For a while, there was debate about whether the Tunguska explosion might have been caused by a comet, but most scientists today believe it was an asteroid that rained destruction on …

  4. Look: NASA Satellite Images Reveal Mysterious Blast Site of 1908 ...

    Jun 30, 2025 · The mysterious blast site of the Tunguska Event of 1908 is revealed in satellite images obtained by NASA’s Operational Land Imager.

  5. The Bizarre Tunguska Event And The Theories Behind It

    Jan 26, 2026 · Now known as the Tunguska event, since it occurred near the Podkamennaya Tunguska River, the explosion is considered the largest impact event in Earth’s recorded history, and one that …

  6. The Tunguska explosion rocked Siberia 117 years ago - EarthSky

    Jun 29, 2025 · On June 30, 1908, the largest asteroid impact in recorded history occurred on a warm summer morning in a remote part of Siberia, Russia. Now, we observe Asteroid Day each year on …

  7. Rare NASA Satellite Footage Reveals the Mysterious Tunguska Blast

    On June 30, 1908, a catastrophic explosion rocked the skies over Eastern Siberia, releasing an energy equivalent to 10–15 megatons of TNT. Known as the Tunguska event, this mysterious occurrence...

  8. No One Knows What Caused a Massive 1908 Explosion in Siberia

    The 1908 Tunguska explosion was so unusual that theories about what caused it abound. Some believe it was a comet or meteorite that exploded before impact, while others think it was Agda, the god of …

  9. Tunguska Airburst Impact: The 1908 Mystery Explosion

    Jun 10, 2025 · The Tunguska airburst impact is widely accepted to have been caused by a cosmic object — either a meteoroid, asteroid, or small icy comet — that entered Earth’s atmosphere at …

  10. The Tunguska event explained | Royal Observatory Greenwich

    Apr 6, 2023 · In the 20th century, the biggest impact event in recorded human history took place. Called the 'Tunguska event', an asteroid flashing through our atmosphere on 30 June 1908 exploded with …