A loud sound rattled windows and shocked residents in parts of south and south west Bengaluru with officials ruling out an earthquake though there was no clarity on whether the sound was a sonic boom.
Hundreds of people took to social media to record their experience of the sound at around 12.15 pm.
From Hindustan Aeronautics Limited (HAL) in the east to JP Nagar in south to Rajarajeshwari Nagar in the west and many other areas, several reported that windows rattled and came up with several theories, from a transformer blast to earthquake.
Officials from Karnataka State Natural Disaster Monitoring Centre said their broadband seismograph has not recorded any earthquake.
"The seismograph is able to record ground vibrations, even those caused by a quarry, within 10 km distance. From what we hear, the sound doesn't seem to be related to earthquake as no ground vibrations have been recorded," a senior official said.
Police, after a preliminary verification, ruled out the possibility of an explosion causing the sound. "We don't have clear information yet. However, going by the past experience, it looks like a sonic boom," an officer of the DCP rank said.
This is the third time such an incident has been recorded in Bengaluru. The first incident was reported in 2018 and later in May 2020.