The eruption of the Krakatoa volcano in Indonesia in 1883 was one of the most powerful and destructive events in the history of our planet.
The roar from the eruption was so loud that the sound waves circled the earth four times, reaching every corner of the planet, before finally dying away.
The sound of the eruption could be heard at a distance of 4,800 kilometers from its epicenter.
According to witnesses, it sounded like cannon fire.
The sound pressure level caused by the eruption was 310 decibels.
This figure is two and a half times higher than the human pain threshold, which is about 120-130 decibels.
At the time of the eruption, a British ship was located near the volcano.
According to the entries in his logbook, half of the ship's crew had their eardrums burst due to the intense sound pressure.
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