Auckland Mystery Explosion Noises Explained

The mystery of explosions heard in Auckland last night has now been solved.

The Defence Force is owning up, saying the Kaipara Bomb Range is the likely source of three to four blasts which were so loud they shook houses in West Auckland and the North Shore.

Number 5 Squadron is currently conducting trials with its P3K Orions, which are scheduled to finish towards the end of June.

The Defence Force says the sound is usually confined to a 10-to-15 kilometre radius, but a westerly wind along with low cloud cover seems to have amplified the sound of the explosions.

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