The autumn idylls of New England were disturbed recently by forces unknown. The New York Times reports:
A mysterious boom jolted New Hampshire and at least one adjoining state on Sunday morning, rattling homes, spooking pets and prompting several hundred amateur sleuths to go online to try to find out what possibly could have caused all the commotion.
So far, the source of the boom has confounded residents, many of whom speculated that it might have been an earthquake.
But an official at the National Earthquake Information Center, which is part of the U.S. Geological Survey, said that none of the agency’s stations had found any evidence of an earthquake in all of New England during the past seven days.
Some residents wondered if a meteorite or an aircraft might be behind the mystery, one that generated some complaints next door in Massachusetts.
With earthquakes ruled out — the last quake recorded in the area was a magnitude 1.7 on August 22 — speculation abounds as to the noise’s source, with some hypothesizing that it may have been a military test of some kind. Others suggest the culprit may have been a small meteor exploding in the atmosphere. However,
[…] while a meteor is likely the cause, the only way to prove it is if someone saw it. Because it was overcast across much of the region Sunday morning, there might not be any evidence of a meteor.
Unless it happens again, the source of this sound may remain an October mystery.