Last week, local
media reports indicated that a meteorite hit the Cuban town of Viñales after
soaring across the Florida Keys, with residents reporting hearing a massive
sonic boom as well as seeing a trail in the sky. The event was apparently
picked up by the National Weather Service Key West’s radar some 26,000 feet off
the ground, as well as caught on film by locals and a webcam in Ft. Myer
connected to EarthCam.
Now we know just
how powerful that event was. According to new data posted by the NASA Jet
Propulsion Laboratory’s
Center for Near Earth Object Studies and flagged by CNET, the object’s collision with the atmosphere released the
energy of around 1.4 kilotons (1,400 tons) of TNT.
That may sound
like a lot (and it is). But such events are relatively common, just usually
pass without much fanfare. Roughly 71 percent of the Earth’s surface is covered by water, and humans are
far from equally distributed over its land, meaning that many impacts go with
few or no human eyewitnesses.
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