The natural gas that leaked methane in Pennsylvania and California is not stored in tanks but in giant underground geological formations accessed by multiple wells. There are about 400 such storage fields across 32 states
The new analysis of data collected by federal regulators suggests there are as many as 11,446 storage wells in the country with the same key risk as the wells that failed at Rager Mountain and Aliso Canyon: They have only a single barrier to failure
https://energynews.us/2024/01/30/why-a-natural-gas-storage-climate-disaster-could-happen-again/
#US