Seismology and acoustics researcher Läslo Evers from the KNMI did not need to be told which bang it was. “I live in Utrecht-Oost, so I was shaking on the couch myself.” He confirms that the above figures indeed fit within his measurements. “We measured both the electromagnetic discharge and the acoustic discharge, and both clearly show that this was a very strong discharge.”
That’s how hard the lightning strike was that shook Utrecht and Amersfoort
