Mysterious ‘thunder-like’ boom sound heard in Bengaluru – Defence Ministry steps in with clarification

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A sonic boom was probably heard while the IAF aircraft was decelerating from supersonic to subsonic speed between 36,000 and 40000 feet altitude, the Defence Ministry said about ‘mysterious’ Bangalore sound.

The mystery of the strange loud ‘earthquake-like’ thunderous sound heard by thousands in Karnataka’s Bengaluru on Wednesday has finally been unravelled.

A clarification given by the Ministry of Defence said the ‘Bangalore sound’ heard earlier today probably related to Indian Air Force’s (IAF’s) routine testing of aircraft involving “supersonic profile”.

It was a routine IAF test flight involving a “supersonic profile” which took off from Bengaluru Airport and flew in the allotted airspace well outside city limits, the Ministry of Defence spokesperson said in the clarification.

The aircraft belonged to the Aircraft Systems & Testing Establishment (ASTE), whose test pilots and flight test engineers routinely test out all aeroplanes, it added.

“The sonic boom was probably heard while the aircraft was decelerating from supersonic to subsonic speed between 36,000 and 40000 feet altitude,” the statement, as per ANI, said.

“The aircraft was far away from the city limits when this occurred. The sound of a sonic boom can be heard and felt by an observer even when the aircraft is flying as far away as 65 to 80 kilometres away from the person,” it added.

The explanation comes as a relief for fact-checkers, as bizarre rumours circulated on the internet around the involvement of “aliens” and “extra-terrestrials” as the ‘mystery’ went unsolved for many hours.

A loud ‘thundering’ was heard in several parts of Karnataka’s capital earlier today with the videos of the occurrence going viral in a sensational turn of events today. It was heard across Bengaluru from Kempegowda International Airport off Devanahalli in the north to Kengeri and Electronic City in the south.

It led many to wonder if the city was hit by an earthquake. The theory was quickly debunked by the Karnataka State Natural Disaster Monitoring Centre (KSNDMC).

“Earthquake activity will not be restricted to one area and will be widespread.” “We have checked our sensors and there is no earthquake activity recorded today,” KSNDMC director Srinivas Reddy, told the media earlier today.

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