this post was submitted on 27 Jan 2024
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Clay soil. The bubbles aren't flammable, I held a long lighter over them and they actually blew it out. I got close and smelled the bubbles, they didn't smell distinctive, maybe slightly sewery. There are no utilities that I know of under there, but the area has been occupied for a long time, and my house is 100 years old.

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[โ€“] [email protected] 28 points 9 months ago (1 children)

The water is slowly draining into an airtight cavity underground and replacing air in the cavity, which is bubbling up through the same hole. The cavity is probably why you have a puddle there to begin with, the ground is depressed into the cavity. It could end up forming a small sinkhole. Excavation recommended.

[โ€“] [email protected] 3 points 9 months ago

Makes sense. Thanks

[โ€“] [email protected] 23 points 9 months ago (1 children)

Lmao. Don't have a clue because I can't see the clip.

Assume the worst and don't touch it and notify your local gas/sewer/utilities company.

[โ€“] [email protected] 10 points 9 months ago

What clip, i thought it was just a virus

[โ€“] [email protected] 13 points 9 months ago

Better jump online for bullshit answers and ignore calling the city or relevant authorities

[โ€“] [email protected] 7 points 9 months ago* (last edited 9 months ago)

Might be an old, long abandoned pipe that finally cracked? Air that has been trapped underground gets this stale, sewery smell. They lighter might have just been blown out by the water spray ejected from the popping bubble.

[โ€“] [email protected] 2 points 9 months ago