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Reply #20: Chile Earthquake May Have Shortened Days on Earth [View All]

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superconnected Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Mar-02-10 06:12 PM
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20. Chile Earthquake May Have Shortened Days on Earth
Source: space.com

The massive 8.8 earthquake that struck Chile may have changed the entire Earth's rotation and shortened the length of days on our planet, a NASA scientist said Monday.

The quake, the seventh strongest earthquake in recorded history, hit Chile Saturday and should have shortened the length of an Earth day by 1.26 milliseconds, according to research scientist Richard Gross at NASA's Jet Propulsion Laboratory in Pasadena, Calif.

"Perhaps more impressive is how much the quake shifted Earth's axis," NASA officials said in a Monday update.

The computer model used by Gross and his colleagues to determine the effects of the Chile earthquake effect also found that it should have moved Earth's figure axis by about 3 inches (8 cm or 27 milliarcseconds).

Read more: http://news.yahoo.com/s/space/20100302/sc_space/chileea...
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  -Chile Earthquake May Have Shortened Days on Earth (and knocked the Earth off axis by 3 inches) onehandle  Mar-02-10 12:25 PM   #0 
  - Which is going to do what to climate change?  aquart   Mar-02-10 12:36 PM   #1 
  - Global warming could change Earth's tilt  Mithreal   Mar-02-10 01:07 PM   #3 
  - I thought something felt a little weird. nt  wtmusic   Mar-02-10 12:55 PM   #2 
  - Use that as an excuse for being late to work. n/t  Ian David   Mar-02-10 01:10 PM   #4 
  - Lol. Best answer. nt  quiet.american   Mar-02-10 01:14 PM   #5 
     - or to say you are older than you look  glinda   Mar-02-10 02:13 PM   #10 
        - You know what they say  matt819   Mar-02-10 02:15 PM   #11 
  - That's awesome when you really think about it  Auggie   Mar-02-10 01:18 PM   #6 
  - Wow.  Occulus   Mar-02-10 01:19 PM   #7 
  - OK, just where is the 3 inches measured from? The Earth's axis is the axis of rotation.  thereismore   Mar-02-10 01:30 PM   #8 
  - Well, the poles are constantly moving....they meander quite a bit.  TalkingDog   Mar-02-10 01:57 PM   #9 
     - That shows the magnetic poles ...  N_E_1 for Tennis   Mar-02-10 02:18 PM   #13 
        - Basically due to the internet movement...WHAT??  Dont_Bogart_the_Pretzel   Mar-02-10 07:34 PM   #27 
  - The 9.1 Sumatran earthquake affected it even more.  Roland99   Mar-02-10 02:17 PM   #12 
  - Aren't Magnetic North and the Earth's Axis 2 different things? n/t  Fiendish Thingy   Mar-02-10 02:55 PM   #14 
  - Yes...  liberation   Mar-02-10 03:05 PM   #15 
  - shortened the length of an Earth day by 1.26 milliseconds!  mbperrin   Mar-02-10 03:11 PM   #16 
  - We'll get that 1.26 milliseconds back with Daylight Saving Time  Dogmudgeon   Mar-02-10 03:38 PM   #17 
  - Stop the World I want to get off.  The Stranger   Mar-02-10 03:39 PM   #18 
  - So what did the large asteroids that hit us do?  Ter   Mar-02-10 03:41 PM   #19 
  - Chile Earthquake May Have Shortened Days on Earth  superconnected   Mar-02-10 06:12 PM   #20 
  - neg rec for the 20th posting of this. nt.  naaman fletcher   Mar-02-10 06:12 PM   #21 
  - I support shorter days on Earth.  peoli   Mar-02-10 06:12 PM   #22 
  - I'm going to live until 200! nt  WriteDown   Mar-02-10 06:12 PM   #23 
  - So I'll live longer...  bluedigger   Mar-02-10 06:12 PM   #24 
  - Positive rec cause those of us who just got home frome work  OffWithTheirHeads   Mar-02-10 06:12 PM   #25 
  - Deleted message  Name removed   Mar-02-10 06:14 PM   #26 
 

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