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Old 01-05-2023, 08:41 PM
gg
 
Location: Pittsburgh
26,137 posts, read 25,962,173 times
Reputation: 17378

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Quote:
Originally Posted by BUILD PENN SQUARE View Post
Slippy slopes: Pittsburgh, built on slide-prone riverbanks, could face a deluge of impacts from climate change

https://www.publicsource.org/pittsbu...climate-change

"More than two million years ago, the land that is now Pittsburgh was at the heart of a prehistoric delta of rivers and streams. The land was relatively flat; the rivers flowed north and west to the Great Lakes from the mountains and hills to the east. Their waters carried mud and sand and clay-rich rock across present-day Allegheny County, depositing layers of sediment that would become our modern geology.

When the ice age began, glacial flows blocked the water’s path, damming and re-routing the ancestral Ohio River toward the Gulf of Mexico. The shift caused the rivers to erode steep gullies and slopes into the layers of coal, sandstone, shale and clay and carved Pittsburgh’s tilted topography.

As a result, the Pittsburgh area is the most landslide-prone region in the state."

https://www.wpxi.com/news/local/alle...FX25UWHEX5JD4/

Imagine if I posted all the landslides in our region over the past 5 years.

They gave up on Freeport Road in Harmar and just made it one lane each way. There have been so many landslides in our region that it would fill so many pages here. I am wondering when Mt. Washington will slide? I think I will see that in my lifetime, but I will no longer be in this crazy area. I know I wouldn't live near that cliff. I am surprised it is still in tact.
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Old 01-06-2023, 01:15 PM
 
1,910 posts, read 736,911 times
Reputation: 1430
Quote:
Originally Posted by gg View Post
https://www.wpxi.com/news/local/alle...FX25UWHEX5JD4/

Imagine if I posted all the landslides in our region over the past 5 years.

They gave up on Freeport Road in Harmar and just made it one lane each way. There have been so many landslides in our region that it would fill so many pages here. I am wondering when Mt. Washington will slide? I think I will see that in my lifetime, but I will no longer be in this crazy area. I know I wouldn't live near that cliff. I am surprised it is still in tact.
I've wondered about the hill behind Banksville Plaza since I was a child.
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Old 01-06-2023, 03:03 PM
 
Location: Pittsburgh
1,491 posts, read 1,459,219 times
Reputation: 1067
Quote:
Originally Posted by gg View Post
https://www.wpxi.com/news/local/alle...FX25UWHEX5JD4/

Imagine if I posted all the landslides in our region over the past 5 years.

They gave up on Freeport Road in Harmar and just made it one lane each way. There have been so many landslides in our region that it would fill so many pages here. I am wondering when Mt. Washington will slide? I think I will see that in my lifetime, but I will no longer be in this crazy area. I know I wouldn't live near that cliff. I am surprised it is still in tact.
There have been a good bit of slides on mt Washington over the past 5-10 years. There was the big one below LeMont, the big one that took out the house on Arlington ave, the one that took out the house on greenleaf and came down to 51, the continuous ones that keep coming down onto pj Mcardle, the one that took out William st.

Im sure they will continue to happen, but the chances of Grandview coming down is pretty slim in my lifetime. But if it does, I have a house that is going to greatly benefit from the newfound direct city view lol.
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