BGS ALERT: POSSIBLE SONIC EVENT  LANCASHIRE  5 APRIL 2004  14:20 - 14:45 UTC

BGS have received numerous felt reports from the media and residents of
several towns in the Blackpool and Chorley areas of Lancashire, of a felt
event sometime between 14:20 and 14:45, yesterday.  Felt reports described,
"heard a loud bang", "the windows rattled" and "the whole building shook".
Data from the BGS rapid-access networks in the region were examined and a
signal consistent with a sonic origin was recorded at around 14:39 UTC on a
microphone situated in the north of Anglesey.

British Aerospace in Preston have confirmed that the Typhoon Euro fighter
was on supersonic exercises at the time in the Irish sea.

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Davie Galloway
Earthquake, Forensic Seismology and Geomagnetism
British Geological Survey
Murchison House
West Mains Road
Edinburgh EH9 3LA, UK

Tel: +44-(0)131-650-0273 (direct)
Tel: +44-(0)131-667-1000 (switchboard)
Tel: +44-(0)7801-792-085 (mobile)
Fax: +44-(0)131-667-1877
mailto:d.galloway@bgs.ac.uk
http://www.earthquakes.bgs.ac.uk/

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