Mysterious 'booms' continue with puzzling regularity in Richmond
From NBC12 News
Friday, November 19, 2004
Those mysterious booms on Richmond's Northside continue to be-fuddle city officials. They've been happening for three weeks now and residents say no one can tell them why.
The latest “boom” was just last night. Based on a map of 911 calls received since the booming noises began, the majority came from the area near Palmyra and Gloucester.
For three weeks, city officials have explored a multitude of scenarios. They've come up empty and still the booms and shakes continue. Officials have looked into every logical explanation: a buildup of sewer or natural gas -- both of which have been ruled out for now...cont'd
http://paranormal.about.com/gi/dynamic/offsite.htm?site=http://www.nbc12.com/servlet/Satellite%3Fpagename=WWBT%252FMGArticle%252FWBT%5FBasicArticle%26c=MGArticle%26cid=1031779248261 As well as other possibilities: including furnaces blowing up (that would be a one time occurrence), weather patterns like thunder, not likely says the city, construction, trains colliding, sonic booms -- all a no go.