# Very strange trails

**URL:** <https://discussions.flightaware.com/t/very-strange-trails/16562>\
**Category:** ADS-B Flight Tracking\
**Created:** [April 26, 2015, 3:52pm UTC](https://discussions.flightaware.com/t/very-strange-trails/16562 "2015-04-26T15:52:51Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![clipsnotebook](https://sea1.discourse-cdn.com/flex019/user_avatar/discussions.flightaware.com/clipsnotebook/32/10750_2.png) [@clipsnotebook](https://discussions.flightaware.com/u/clipsnotebook)\
**Post date:** [April 26, 2015, 3:52pm UTC](https://discussions.flightaware.com/t/very-strange-trails/16562/1 "2015-04-26T15:52:51Z")

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I was observing the local page on my FF box and all of a sudden I saw all aircrafts move back and forth very quickly. I am quite surprised as this is the local page that I was observing and should not ideally have to do with data that is being fed to FA through its FF box. I then checked the trails of some of the aircrafts and the images below added to my surprise:

[http://i.imgur.com/RiYwvrc.jpg](http://i.imgur.com/RiYwvrc.jpg)  
[http://i.imgur.com/1qqL6zp.jpg](http://i.imgur.com/1qqL6zp.jpg)  
[http://i.imgur.com/6pZFIFI.jpg](http://i.imgur.com/6pZFIFI.jpg)  
[http://i.imgur.com/bilACcC.jpg](http://i.imgur.com/bilACcC.jpg)

We have experienced a massive earthquake yesterday and major aftershocks continue even after almost 36 hours. Would that be a possible reason for these strange trails?