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IDProjectCategoryView StatusDate SubmittedLast Update
0007527Dwarf FortressDwarf Mode -- Environmentpublic2014-07-20 18:122014-07-25 10:50
Assigned Tolethosor 
PrioritynormalSeverityminorReproducibilityhave not tried
PlatformOSOS Version
Product Version0.40.04 
Target VersionFixed in Version 
Summary0007527: Constant Collapses on the Surface - trees branches?
DescriptionPretty constant (one every 5-10 minutes?) collapses on the surface - these create plumes of smoke/dust - seem to be tree related - branches or fruit?
TagsNo tags attached.
Attached Files

- Relationships
duplicate of 0007533resolvedToady One Phantom "Something has collapsed on the surface" reports, related to tree growth/chopping 

-  Notes
cwilhelm (reporter)
2014-07-20 18:17

The plumes are actually composed of sand and clay (which is the soil at that level, they are happening in trees - looks like half the tree collapses - I've seen plumes up to 9 z-levels tall.
cwilhelm (reporter)
2014-07-20 19:18

They are also rupturing the fortress, and extending in z-levels below ground, injuring dwarfs. Trees are also growing down into the fortress from the ground - that part might be on purpose
Footkerchief (manager)
2014-07-20 19:37

Would 0006704 explain this?
torrenal (reporter)
2014-07-20 23:07

I'm seeing much the same thing here.

To Footkerchief, two of the caveins occurred in a space where I'd never cut any trees down for more than a year game time - that's one heckofa delayed event if it had any correaltion to tree chopping.

Caveins for me consist of Peat.
I've only seen 3 thus far. Each time the tree was not 'full grown'.

The two cavein's I've made special note of thus far, involved two trees within 7 urist of each other and at the same y coordinate.

The cavein was centered at a point between the two, but still 2-3 urist south

Speculation is, that one tree growing from a sapling may be interfering with parts of another, already established tree, causing part of it to 'cave in'.
lando242 (reporter)
2014-07-21 05:13

I have this once or twice a year. The most recent was the only one I've seen that actually made any plumes. Interestingly the plumes, when viewed with k, were made of red sand. I have yet to find any sand on this map. The tree in question was a "sand pear tree". if that has anything to do with it.
cwilhelm (reporter)
2014-07-21 08:57

It's not after cutting the trees and has nothing to do with tree-cutting. It is happening with increasing frequency, like now once every minute or so. It seems the trees are maybe growing too fast and getting too big and collapsing under their own weight.
cwilhelm (reporter)
2014-07-24 09:02

Just had a collapse then went down 6 z-levels into the fortress - the breach happened in two different stockpiles - it erased the stockpile designation when it did so. So now trees are also destroying stockpiles! I love it.
HammerDave (reporter)
2014-07-24 09:07

Related to 7533, save uploaded there. Mine are destroying floors which were built in response to the last collapse at the same location.
Goton (reporter)
2014-07-24 09:09

These collapses have caused some of my animals to become (covered in) piles of sand and clay. When I try to channel it, there are no animals inside i.e. a cave-in has happened?
Sognar (reporter)
2014-07-24 13:09

It does happen for me too.
Always at roughly the same spot every 5-10 minutes.

There were Trees before and i removed roughly 3 Layers of Sand in the Area.

The caveins keep happening even so the whole area is "open space" on all z-levles above
cwilhelm (reporter)
2014-07-24 14:48

Mine are also destroying floors what I built in response to collapses - I've been diligent about killing all the trees and building floors but it doesn't really matter - 6-z levels down dwarfs are dying because of trees. The elves must pay.
Dame de la Licorne (reporter)
2014-07-24 16:30
edited on: 2014-07-24 16:30

I'm getting the same thing, usually in the same general area. Sometimes it's close enough to a tree that logs come down where there weren't any before. Other times there's no tree nearby to explain it (I'm being diligent about felling any 2-Z level tree above my mined-out areas).

lethosor (manager)
2014-07-25 10:48
edited on: 2014-07-25 11:00

This looks a lot like 0007533 to me, so I'm resolving it as a duplicate. Please reopen this or PM me on the forums if you disagree.
To address a couple comments above: From Talvieno's research in 0007533, it seems that this occurs if trees have ever been chopped in an area (not necessarily recently).

- Issue History
Date Modified Username Field Change
2014-07-20 18:12 cwilhelm New Issue
2014-07-20 18:17 cwilhelm Note Added: 0027087
2014-07-20 19:18 cwilhelm Note Added: 0027090
2014-07-20 19:37 Footkerchief Note Added: 0027092
2014-07-20 19:37 Footkerchief Assigned To => Footkerchief
2014-07-20 19:37 Footkerchief Status new => needs feedback
2014-07-20 23:07 torrenal Note Added: 0027102
2014-07-21 05:13 lando242 Note Added: 0027120
2014-07-21 08:57 cwilhelm Note Added: 0027141
2014-07-21 08:57 cwilhelm Status needs feedback => assigned
2014-07-21 18:22 torrenal Tag Attached: fliers
2014-07-21 18:22 torrenal Tag Detached: fliers
2014-07-24 09:02 cwilhelm Note Added: 0027424
2014-07-24 09:07 HammerDave Note Added: 0027427
2014-07-24 09:09 Goton Note Added: 0027428
2014-07-24 13:09 Sognar Note Added: 0027445
2014-07-24 14:16 Footkerchief Relationship added related to 0007533
2014-07-24 14:48 cwilhelm Note Added: 0027452
2014-07-24 16:30 Dame de la Licorne Note Added: 0027458
2014-07-24 16:30 Dame de la Licorne Note Edited: 0027458 View Revisions
2014-07-25 10:48 lethosor Note Added: 0027512
2014-07-25 10:48 lethosor Relationship replaced duplicate of 0007533
2014-07-25 10:48 lethosor Status assigned => resolved
2014-07-25 10:48 lethosor Resolution open => fixed
2014-07-25 10:48 lethosor Assigned To Footkerchief => lethosor
2014-07-25 10:50 lethosor Resolution fixed => duplicate
2014-07-25 11:00 lethosor Note Edited: 0027512 View Revisions

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