29 Jun '12, 8pm

1898年以降の地震地図。 日本が光っております。

1898年以降の地震地図。 日本が光っております。

QUAKES THROUGH THE AGES: More than 100 years of earthquakes glow on a world map. (Image: John Nelson/IDV Solutions) If you've ever wondered where — and why — earthquakes happen the most, look no further than a new map, which plots more than a century's worth of nearly every recorded earthquake strong enough to at least rattle the bookshelves. The map shows earthquakes of magnitude 4.0 or greater since 1898; each is marked in a lightning-bug hue that glows brighter with increasing magnitude . The overall effect is both beautiful and arresting, revealing the silhouettes of Earth's tectonic boundaries in stark, luminous swarms of color. The map's maker, John Nelson, the user experience and mapping manager for IDV Solutions, a data visualization company, said the project offered several surprises. "First, I was surprised by the sheer amount of earthquakes that have been record...

Full article: http://www.mnn.com/earth-matters/wilderness-resources/sto...

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Stunning map shows 100 years of earthquake data

grist.org 02 Jul '12, 7pm

This image is the work of data visualizer Josh Nelson , and it represents over 100 years of earthquake data, from 1898 to ...