• xthexder@l.sw0.com
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      2 months ago

      I believe that’s Mt St Helens erupting. Real footage from 1980 (though this gif is sped up).

      • seejur@lemmy.world
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        2 months ago

        If I recall correctly, it is not real “footage” but real photos which are interpolated into a film using editing software

        • xthexder@l.sw0.com
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          2 months ago

          That would definitely explain why it’s sped up if the source was a bunch of still images. I’ve seen other edits of it that look a little more like a real-time video.