I will either be in Olympia or hood canal area chasing tomorrow night potential for up to 4 inches of snow exist south and west of Tacoma

This boom phenom is starting to peak everyone's interest as clearly it isn't quake related.

Some other phenomenon is occurring, though what is still unknown. No secondary or tertiary waves as in quakes so it remains unknown. Last quake in the area was 1928.

http://touch.baltimoresun.com/#section/-1/article/p2p-79193620/

Michael Maykrantz was on duty at a fire house on 74th street in Ocean City when the floor began to shake and the doors started to rattle.

At Bart Rader’s house in Ocean Pines, a loud boom “like somebody blew something up” preceded shaking so heavy that it rattled a 50-pound metal sculpture against the wall.

Miles away in Annapolis, Ocean City Mayor Rick Meehan was meeting in state Sen. James Mathias’ office when he got a text message from his daughter: “What the heck was that?”

A series of tremors rattled residents across Ocean City and the lower Delmarva Peninsula around midday Thursday, puzzling geologists and emergency managers. Within a few hours, geologists ruled out an earthquake, and by Thursday evening, signs pointed to supersonic jets flying from the Patuxent Naval Air Station, though station officials could not confirm when the flights would have passed by Ocean City.

Some still suspect something more mysterious. Rader said similar rumblings occur once every three or six months, and Thursday’s was the most intense yet.

“We’ve never got one like today,” he said.

Some scientists not connected to the mission "smell a rat, as they say"

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- A neuropsychologist and author identifying himself as “Rhawn Joseph, Ph.D. pro se” (representing himself) filed a lawsuit against NASA on January 27, 2014, in the U. S. District Court Northern District of California “for a writ of mandamus compelling NASA to perform a duty to thoroughly scientifically examine and investigate a putative biological organism on Mars identified/discovered by petitioner and referred to by NASA as: 'Unlike Anything We Have Seen Before.'”

Rhawn Joseph argues that he “immediately recognized a mushroom-like fungus (Apothecium), a composite organism consisting of colonies of lichen and cyanobacteria.” Joseph wants NASA to photograph the object more closely and correct the identification. On Earth, Apothecium is a disk-shaped or cup-shaped ascocarp of some lichens and the fungi Ascomycetes.

Above is Sol 3528 Before and Sol 3540 After images of the same patch of ground in front of NASA's Mars Exploration Rover Opportunity 13 days apart that documents the arrival of a bright rock onto the scene. The rover had completed a short drive just before taking the second image, and one of its wheels likely knocked the rock -- dubbed "Pinnacle Island" -- to this position. The rock is about the size of a doughnut.

Earthfiles.com