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shaking will be 10 times | 24 December 2003 | 10:27 am


ok, now the wet pants smell like formaldehyde. sick.

my darling tt, my love � he knew i missed the super-secret chocolate pudding recipe so very much that he called up wilde in MA to get it again. pudding for xmas!

fuck christmas man, just gimmee a spoon!

oh!

there was a really big fucking earthquake on Tuesday in California. 6.5 � that is pretty freakin huge. i believe the one in 1989 that killed a bunch of people in SF was a 6.8 � 7.0. crazy. tt realized all of the sudden that his office building was swaying � from an earthquake 210 miles away from SF.

woah.

before we moved here i had never thought about earthquake aftershocks � it was interesting to re-load the USGSsurveypage every 10 min or so after the earthquake to see the aftershock activity�reminded me a bit of fireworks, a finale of sorts.

some info:

Earthquake magnitude is a logarithmic measure of earthquake size. In simple terms, this means that at the same distance from the earthquake, the shaking will be 10 times as large during a magnitude 5 earthquake as during a magnitude 4 earthquake. The total amount of energy released by the earthquake, however, goes up by a factor of 32.

The length of the fault scales with the magnitude of the mainshock and so do the aftershocks. The aftershock zone of a magnitude 5 mainshock will be under 5 miles across, that of a magnitude 6.5 will be about 20 miles across, while that of magnitude 8 mainshock might be over 200 miles long. Bigger earthquakes have more and larger aftershocks. As the magnitude of the mainshock increases, the magnitude of the largest aftershock, on average, increases as well.


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