Tag: Long view
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Every tsunami on record: where they start, where the water went, and who died
I mapped all 1,699 tsunamis in NOAA’s Global Historical Tsunami Database since 1610 BC and the places their water reached. 72% started with an earthquake, the highest ran 524 m up a mountainside, and 2004 alone accounts for 42% of recorded deaths.
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Styles in stone: the world’s architectural styles on a map, century by century
180,451 buildings with an architectural style in Wikidata, sorted into 25 families and mapped through time. Romanesque gives way to Gothic, Baroque and the revivals, Gothic Revival sails to Toronto and Melbourne, and the gaps show who keeps the records.
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How accurate were old maps?
Eight old maps, from Ptolemy to Ino’s survey of Japan, measured one way. Errors run from 1.7% to 26.0% of the area mapped, and they follow what a map was for more than when it was made.
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Fighting by moonlight: did the Moon decide when battles were fought?
D-Day and El Alamein were timed by the Moon. I worked out the Moon over 9,877 battles from Wikidata, correcting the calendars as I went: battles fall on every phase almost equally.
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HMS Your Town: which British towns have had a warship named after them?
I matched every Royal Navy ship in Wikidata to the British towns they are named after: 394 ships for 135 towns. Gloucester and Newcastle have had nine each; Lancaster four; Barrow none.
