Around a week later I saw this:
NewEarthquake Earthquakes Tsunamis
6.0 earthquake, Babuyan Islands region, Philippines. Mar 20 4:26pm at epicenter (15m ago, 111km NE of Laoag, depth 37km).http://j.mp/hugbiE
Twitter is confirmed as a mainstream piece of Internet infrastructure and the US Library of Congress archives every single public Twitter message. Amazing.
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