Last Call – The Tracks of My Tears Edition
Earthquakes can wreak havoc on buildings, roads, and your adrenal gland. They can also make rail road tracks a total e-ticket ride.
Image source: [Imgur.com]
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Thats a pretty good amount of displacement for one quake. Strike-slip fault for the win!
There's no corresponding displacement of the adjacent terrain (note, for example, the undisturbed access road), so this looks more like longitudinal compression of the rails. This could, of course, be a consequence of nearby movement of a strike-slip fault (or dip-slip fault, or oblique fault), but this photo isn't showing the fault itself.
Yes, I'm a geologist.
Yeah, I realized I was a bit off track right after I posted that. Took me a minute to notice that the "sine wave-ish" pattern of the tracks doesn't really match up with what I've seen strike-slips do. Compression makes a lot more sense.
In my defense I'm only a Geology major and I'm in the middle of a nasty migraine. I bow to your superior knowledge and judging by the fact you have a geology degree, your superior drinking skills.
No problem– I've got three geology degrees and a professional license. I teach undergraduate geology. Mostly, though, it comes down to the drinking skills.
"…a bit off track…." Heh.
Three degrees? Impressive. What college are you teaching at?
Teehee I was fairly proud of that considering my current mental state
If you place your cursor on my avatar's icon and follow the resulting link to An Accumulation, all (or at least some) will be revealed….
I can't find any fault with that analysis.
Good. I'd hate to think I was slipping.
'Well, we was doing alright but then the peyote kicked in..'
This must be the site of a Molly Hatchet concert. Just got back from their live show downtown and it really shook!
On a side note, with three motorcycle gangs represented in the crowd, including the legendary Hells Angels, I had hoped some scene might bust out, but nothing happened. Bah, watching too much Sons of Anarchy lately.
They'll fix it, but not soon enough for Lorenzo Bandini.
I have a picture just like this in a mechanical engineering textbook as the result of thermal expansion of the tracks on a very hot day.
Basically, they want to get longer, but somewhere farther down there's a bend or otherwise cooler and better anchored section. The compression builds up until this happens.
"…and if it snows that stretch down south just won't take the strain."
I, too, thought of thermal expansion when I saw that photo. I grew up in earthquake-prone SoCal, and have seen roads that have slid askew, but that sinusoid track does not look like the result of a violent temblor to me.
Perhaps, but in the case of thermal expansion on a hot day, how rapidly would the strain progress once the track began to yield? That gravel extending halfway across the road looks like it wasn't just gently pushed aside.
Besides, in this case there's good reason to blame a quake. I just did some digging:
http://blogs.agu.org/landslideblog/2010/11/02/the…
Bonus points for the use of "temblor" though.
Although my undergraduate degree from Caltech is in electrical engineering, I did take some courses on geology from Prof. Kerry Sieh while I was there. He's a big fan of earthquakes…
It pretty much matches the heart-trace of any train driver rapidly bearing down on it.
this was my favourite one from the recent christchurch quake in new zealand
<img src="http://www.aucklandtrains.co.nz/wp-content/uploads/chch2-533×400.jpg">
"…Casey Jones you'd better watch your speed."
Chicanes for trains.
Thomas the Tank Engine is not amused.
I don't know which I'm more sad about. The fact that I know who that is, that I almost linked in an image of an upset looking Thomas, or almost countered with another character.
Damn kids.
That cocky Gordon probably thinks he can roll right over this.
I was thinking Diesel or Spencer… both are pretty big dickheads.
These days FIA just puts chicanes wherever the hell they feel like it.
That'll slow down the TGV trains.
more like the The Tracks of Photoshop Edition
Guess you've never experienced an earthquake, huh?
nothing bigger that a 5
A quick google tell me it's from the 7.1 magnitude earthquake that happened near Canterbury New Zealand on September 4th I stand corrected what appears to be the extra track can be easily explained by the simple fact that steel is malleable.