Tag: World
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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.
Tristan Hotham
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Life on the moving map: 540 million years of animals on the drifting continents

I put 409,895 fossil finds, from trilobites to dinosaurs to hominids, back where they lived on the drifting continents. Watch Pangaea form and break apart, see who ruled when, and why 66% of the finds come from North America and Europe.
Tristan Hotham
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How the world is governed: 197 countries, 112 systems

Democracy or not is only the first question. Compare head of state, executive, federalism, chambers and voting system, and the world’s 197 countries fall into 12 families and 112 exact systems. 80 countries have a system nobody else shares.
Tristan Hotham
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Where the world’s islands are

I counted every island in a detailed open map of the world’s shorelines: 181,588 of them, 23,150 over a square kilometre. Canada has the most, and 10.3% of the world’s people live on one.
Tristan Hotham
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Drowned valleys: the villages flooded for reservoirs in the age of big dams

From Capel Celyn to Mologa and the Lost Villages of the St Lawrence, I mapped the 100 places Wikipedia records as flooded by reservoirs. Most went under between 1930 and 1979, just as the world’s dam building peaked.
Tristan Hotham
