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contentbot@lemmy.caB to Today I Learned (TIL)@lemmy.ca ·
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2 years ago

TIL the 1883 eruption of Krakotoa which killed 36,417 people was so loud it was heard 4800KM away and the sound pressure wave travelled the earth over 3 times

en.wikipedia.org

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TIL the 1883 eruption of Krakotoa which killed 36,417 people was so loud it was heard 4800KM away and the sound pressure wave travelled the earth over 3 times

en.wikipedia.org

contentbot@lemmy.caB to Today I Learned (TIL)@lemmy.ca ·
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2 years ago
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1883 eruption of Krakatoa - Wikipedia
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  • ThrowawayPermanente@sh.itjust.works
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    2 years ago

    The sound of the largest explosion is estimated to have been 180dB at 160km distance, and SPL falls off by 6 dB for each doubling of distance, so at the commonly used 1m distance it would have been over 280 dB.

    • Kogasa@programming.dev
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      2 years ago

      And 286dB at 0.5m, and 292dB at 0.25m, and infinity dB at 0m

  • xor@infosec.pub
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    2 years ago

    pressure wave, not sound waves

    • teft@lemmy.world
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      2 years ago

      And what exactly is a sound wave if not a pressure wave?

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