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Cool gif of the Alaskan earthquake wave sweeping across North America.

Posted on 12/8/25 at 8:28 am
Posted by Sassafrasology
Member since Nov 2025
647 posts
Posted on 12/8/25 at 8:28 am
Posted by auggie
Opelika, Alabama
Member since Aug 2013
30926 posts
Posted on 12/8/25 at 8:31 am to
They should change the blue dots to green, it would be more "Christmasy".
Posted by RogerTheShrubber
Juneau, AK
Member since Jan 2009
295687 posts
Posted on 12/8/25 at 8:33 am to
Quite the day Saturday, winter storm and earthquake.

Posted by Sassafrasology
Member since Nov 2025
647 posts
Posted on 12/8/25 at 8:43 am to
I just looked up the units on the X axis. LHZ means low frequency or long period. The frequency per second or Hertz is 0.01-10 Hz that is being detected.

The entire time on the x axis is 60 minutes or one hour sped up through a 24 second gif.
Posted by RogerTheShrubber
Juneau, AK
Member since Jan 2009
295687 posts
Posted on 12/8/25 at 8:45 am to
We rocked a good minute. Those on bedrock less than those on sediment, but it was a fairly good shaker.

Posted by Born to be a Tiger1
Somewhere lost in Texas
Member since Jan 2018
827 posts
Posted on 12/8/25 at 9:37 am to
Can someone explain why the wave went around Louisiana?
Posted by BestBanker
Member since Nov 2011
18925 posts
Posted on 12/8/25 at 9:46 am to
I felt it in TN
Posted by NoMercy
Member since Feb 2007
4672 posts
Posted on 12/8/25 at 9:48 am to
Good old south LA slush nice and quiet.
Posted by NoMercy
Member since Feb 2007
4672 posts
Posted on 12/8/25 at 9:51 am to
quote:

Can someone explain why the wave went around Louisiana?


Because a lot of our ground is basically jello (historical silt deposit from the Mississippi River) instead of bedrock and absorbs it.
Posted by LSUBoo
Knoxville, TN
Member since Mar 2006
103485 posts
Posted on 12/8/25 at 9:55 am to
quote:

I felt it in TN


I didn't feel a thing.
Posted by Python
Member since May 2008
6595 posts
Posted on 12/8/25 at 10:04 am to
quote:

Can someone explain why the wave went around Louisiana?

Avoiding the speed traps.
Posted by Naked Bootleg
Premium Plus® Member
Member since Jul 2021
3229 posts
Posted on 12/8/25 at 10:27 am to
Great to see Oklahoma still in a constant state of shakiness
Posted by RougeDawg
Member since Jul 2016
7302 posts
Posted on 12/8/25 at 11:18 am to
quote:

Good old south LA slush nice and quiet.


Not great for roads though.
Posted by dakarx
Member since Sep 2018
8144 posts
Posted on 12/8/25 at 12:45 pm to
quote:

Can someone explain why the wave went around Louisiana?


Sensors were sold for scrap copper.
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