My mum hears it too, but the local authorities simply claimed they couldn't hear anything during that brief moment. They’d have to stay overnight to really hear and feel it — inside a room, not just in a public space. It even vibrate my eardrum like I'm sitting on an F16 pilot seat.
I don't hear it in other districts.
I wish there were an expert or researcher interested in these areas: residential buildings, shops, parks, churches, and schools.