Researchers used a grainy photograph of a toppled train to analyse an earthquake that killed 3,000 people 113 years ago.
from gizmodo http://www.gizmodo.co.uk/2019/01/how-scientists-used-a-1906-photo-to-find-the-centre-of-san-franciscos-most-infamous-earthquake/
from gizmodo http://www.gizmodo.co.uk/2019/01/how-scientists-used-a-1906-photo-to-find-the-centre-of-san-franciscos-most-infamous-earthquake/
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