Archive for February, 2013

Relative Sizes of Recent Events

February 18, 2013

Big_SmallA few things about the plot (all numbers are approximate, but they are correct enough for this level of analysis):

kT = kilotons

2013 DA14 refers to how big an event the asteroid that missed us would have been if it crashed.

Japan quake is the 2011 mega-quake, and Haiti quake is the 2010 quake that devastated Haiti.

Haiti quake (magnitude 7) is very small (in terms of magnitude) compared to Japan quake (magnitude 9).

Everything else is very small compared to Japan quake.

In very rough numbers/guesstimate: The meteorite that killed the dinosaurs was equivalent to something like magnitude 10 to 12. If we use the number 11, that’s at least 100 times bigger than Japan quake. So, if we plotted the dinosaur meteorite, everything else here would probably be too small to see.

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Magnitude 5.1 – Nuclear Explosion – North Korea – February 12, 2013

February 18, 2013

NKorea_IRIS

Magnitude 6.6 – Siberia, Russia – February 14, 2013

February 18, 2013

Siberia_021413