Scientist offers up another theory for Friday’s big bang
Monday, April 20 2:00 p.m.
BY ERIK ROBINSON
COLUMBIAN STAFF WRITER
A mysterious "boom" that resounded across Vancouver early Friday may have been an extraterrestrial wakeup call, theorizes a geophysicist with the U.S. Geological Survey in Vancouver. "I can't think of any other explanation, other than a fairly substantial gravel quarry explosion," said Jeff Wynn, research geophysicist with the Cascades Volcano Observatory. Local gravel quarries reported no activity, especially at 6 a.m. ... MORE: http://columbian.com/article/20090420/NEWS02/704219992/-1/NEWS