A catastrophic disaster is now taking place outside of Los Angeles endangering hundreds of thousands of people. Officials say they have "entirely lost control of the entire (gas) field" meaning explosive methane gas is now leaking from "many places." Workers at the scene of the Porter Ranch gas field in the Aliso Canyon say some of the leaks are so loud, the hissing sound can be heard 1/2 mile away. ...

see also:

Utility's negligence caused giant methane leak, air quality regulator says

http://arstechnica.com/tech-policy/2016/01/utilitys-negligence-caused-giant-methane-leak-air-quality-regulator-says/

Company behind LA's 'mini-Chernobyl' methane leak sued by California air regulator

https://www.rt.com/usa/330396-gas-leak-california-lawsuit/