Residents of London, Cambridge, Hertfordshire and Essex said they heard the massive boom after reporting the fighter jets had breached the sound barrier.
The two planes were reportedly scrambled to escort an unresponsive plane at Stansted Airport.
The plane believed to be under escort is apparently a private plane from Nuremberg, Germany, according to flight tracks.
Cambridge City Council tweeted: ‘If you’ve heard a massive loud bang over Cambridge in the past few minutes, don’t panic – apparently it was the booming sound of a fighter jet breaking through the wall of the his! ”
Former Cambridge city councilor and former Army reservist Zoe O’Connell said: “I can’t verify it, but it looks like the Eurofighter was escorting D-AFAL – a strangely behaving German plane.
“Now towards Stansted, which is often used for incidents as it has both long runways and a lot of open space, you can park a jet safely away from everyone. ”
Many took to social media to share their shocked reactions to the incredible noise.
Debbie Read wrote: “I thought my neighbors next door were going to fly through the wall. So scary! ”
Liam Govey said: “I thought someone from elementary school threw a balloon at my window, but it was apparently a sound boom. Madness. ”
Another Twitter user wrote: “It looks like maybe it was a sound boom from a Typhoon Quick Response plane (if bits of Twitter are to be believed). Heard in Essex, Herts and Cambs as well as East London. ”
Many have reported feeling the buildings shake – an Essex resident in Hornchurch capturing the huge boom of his Ring doorbell.
Javelin Sam wrote: “I caught the sound boom from my ring camera!
“HUGE EXPLOSION JUST HEARD IN HORNCHURCH. WTF WAS IT? ALL BIRDS ARE IN THE AIR GET CRAZY. ”
Mary O’Donnell told MyLondon that “the earth shook beneath her” after hearing a loud bang in Ilford.
Another East London resident said she thought someone had collided with her car, but after looking outside no one was traveling in her route.
Another Twitter user said: ‘Heard also in Hertfordshire near Knebworth. The whole building shook. Thanks for spotting him. We also had an internet outage about 3 minutes later we went and came back. ”
A number of people also spotted and photographed the train of smoke from the planes in the sky moments after the detonation.
According to an RAF Croningsby news Twitter account, the sound boom likely came from a rapid reaction alert.
The airbase is where the RAF parks a number of its Eurofighter Typhoons, the British air superiority fighter jet which is also used for interception roles.
The RAF has fighter jets on standby around the clock in case a plane threatens UK shores it could take the form of a commercial plane that has been hijacked or a foreign nation straying into our airspace.
Over the years, Russia has regularly flown bombers and surveillance planes near British airspace to test RAF readiness, while NATO has conducted similar missions near the Russian airspace.
A sonic boom occurs when a jet travels at a speed greater than 1234 km / h.
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