Mysterious Explosions

Loud explosive noises with no apparent cause have been occurring all over the world. First in Manchester, then in North Yorkshire, then in New York and many other places. What's going on?
See here for background: http://hpanwo-voice.blogspot.co.uk/2014/11/mysterious-explosion-in-manchester.html.
And: http://hpanwo-voice.blogspot.co.uk/2014/11/another-mysterious-explosion.html.
And: http://hpanwo-voice.blogspot.co.uk/2014/11/somethings-brewing.html.
And: http://hpanwo-tv.blogspot.co.uk/2014/11/ufo-disclosure-2015-question-or.html.