Pada 8 Jun 2012 sekitar jam 11.15 pagi dilaporkan berlaku gegaran atau “tremor” yang melanda beberapa kawasan sekitar Ipoh selama lebih kurang 5 minit. Gegaran ini telah menyebabkan pintu dan tingkap bangunan bergetar. Apakah punca kejadian gegaran ini dari gelombang sonik yang terhasil dari jet pejuang pada kelajuan tinggi? Apakah ada latihan ketenteraan atau pencerobohan tentera asing di ruang udara Malaysia pada waktu tersebut? ‘Sonic boom’ caused tremors felt across the north of Scotland 23 May 2012 07:23 BST A sonic boom has been blamed for tremors that were felt by residents across the north of Scotland. He said: “Grampian Police can confirm that following the numerous reports from members of the public who felt 'tremors' during the evening of Tuesday, May 22, the British Geological Survey have reported no significant seismic activity. No reports of injuries or damage have been received. Tremors can be caused by seismic events, like earthquakes, but can also be the result of sonic booms produced by high-velocity aircraft. http://news.stv.tv/north/102785-police-baffled-as-mysterious-tremors-shake-homes-across-north/ All shook up! Monday, Jun 11 2012 Riddle of the massive sonic boom that the north east of England mistook for an earthquake Locals in Northumberland had called police after buildings shook and loud rumbling was heard at around 3.15pm. 'The observations received are similar to those which have been received previously for sonic boom. RAF Kinloss were contacted and have advised that there were two military jets on exercise in the area at the time.' http://www.dailymail.co.uk/news/article-2085847/Earthquake-reported-north-England--experts-say-buildings-shaken-sonic-boom-PLANE.html 'Mystery Explosion' Was Jet's Sonic Boom April 12, 2012 A loud bang heard across a large part of England was from a sonic boom caused by a Typhoon jet, the Ministry of Defence has confirmed. A spokesman for the Ministry of Defence confirmed the bang was caused by a Typhoon fighter aircraft. The plane was one of two Typhoons that had been launched following an emergency call from a helicopter. The helicopter had transmitted on the wrong frequency, the MoD spokesman said. Residents, mainly in the Coventry area, said they had heard a gigantic bang which police initially suggested was down to a minor earth tremor. http://news.sky.com/home/uk-news/article/16207542
Perth shaken, rattled, but was it a tremor or sonic boom? April 07, 2011 SONIC BOOM: A joint Air Force-Navy operation off the coast of Perth is a likely cause of some unusual reports of rattling windows and loud noises in some suburbs. Nine News - Sonic boomWar games off the WA coast are being blamed for 'tremors' felt in Perth WA has had a minor earth tremor but hundreds of residents have reported rattling windows - which could be attributed to unusual aircraft activity. The "quake" was felt by hundreds of residents from the northern suburbs down to Baldivis and Mandurah south of Perth. Many reported hearing the quake and having windows rattled by the jolt. Despite that, hundreds of Perthnow readers have reported feeling the quake and having windows rattle inexplicably in their homes. http://www.perthnow.com.au/news/western-australia/perth-shaken-by-minor-earth-tremor/story-e6frg13u-1226035465367
