Fire in the Sky
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Fireball 4

Meteor streaking across sky Canadian city, captured on amateur video

It wasn't a bird, or a plane, or Superman that streaked across the skies of Charlottetown last Friday night, but it was the colour of kryptonite and it was from out of this world.



Greg Tingman spotted the green light streaking across the sky behind the Charlottetown Mall Friday.

"I was kind of excited that I had my camera on. It was pointed in the right direction. We were on a road with a bit of an upward incline so definitely all good timing," he said.

He shot the above video on his car's dashboard camera - a camera he only received at Christmas time after seeing a massive meteor hit Russia last February.

"Saw that on the news and YouTube and thought it might be neat to have my own camera so my daughter bought it for me for Christmas," he said.
Question

Earthquake ruled out after tremors and loud boom reported in Ocean City, Maryland


Snapshot from Maryland Geological Survey (Maryland Geological Survey / February 6, 2014)
Tremors that Ocean City residents reported feeling around midday Thursday did not come from an earthquake, seismologists said, but may have come from supersonic flights from Patuxent Naval Air Station.

"The data is very inconsistent with any kind of earthquake activity," Maryland Geological Survey Director Richard Ortt said. That was because the timing of the tremor's detection by various sensors did not match the time it would be expected to take for a seismic event to ripple through the Earth's crust, he said.

The source of the tremors remains unknown, Ortt said. Sometimes sonic booms, explosions or other blasts can be confused with earthquakes, he said.

Air station spokeswoman Connie Hempel said the Navy conducted two supersonic flights off the coast Thursday, though she did not know what time they were scheduled for.

Residents of the beach resort town reported hearing a loud boom and feeling earthquake-like tremors shortly before noon.

"We have had reports that people felt tremors," said an Ocean City police spokeswoman, who estimated that the department had fielded more than a dozen calls as of noon.
Fireball 5

Earthquake in Groningen actually sonic boom?

Seismograph
© Wikipedia
Seismographic reading.
This week, the province of Groningen felt what was thought to be another earthquake, but this was tuesday evening confirmed more likely to be a sonic boom. The Royal Netherlands Meteorological Institute (KNMI) confirmed no activity was seen on a seismograph, but the institute did record a bang in the atmosphere to the north of Ameland, a spokesperson says.

A little after 10 on Tuesday evening, Twitter blew up with messages about the earthquake. People also called the media with the report. The messages claimed it was a big one, too.

Most of the tremors were felt in a relatively small area, but reports also came from Drenthe and south-east Friesland. Richard van Dijk, a resident from Loppersum, where earthquakes are frequently experienced from the fracking by NAM in the area, reported that the front of his house was sinking.

On Twitter, residents from Ulrum, Middelstum and Loppersom said they felt tremors. People living further away like Groningen, Assen and Haulerwijk, reportedly felt "quakes".

Expert Theo Jurriens from the Rijksuniversiteit Groningen expects that it was not a meteor, because there were no messages from eye witnesses. "Then it would have been a big one, and that we would have seen", he said around midnight. According to the NOS, the KNMI will still investigate this possibility.

"Possibly, it was a jet passing through the sound barrier", Theo says.

Defense claims no responsibility for the bang. "But it is not clear. It could be an aircraft from another country that was flying above the North Sea" Jurriens says.

In 1992, the bang of a jet was heard, but nothing was seen, and even the church got damaged.
Fireball 5

Meteor fireball lights up night sky in Finland

Fireball
© Esko Lyytinen/Ursa
A fireball camera recorded a bright flash early Sunday morning in Helsinki’s Pukinmäki district.
Separate fireball observations early Sunday morning have caused some to wonder whether a meteorite may have landed in Finland. The Ursa Astronomical Association says a meteorite hasn't been recovered in Finland for decades.

Ursa's Marko Pekkola says that as of yet, there is no certainty whether the flash was the result of a fireball, but the presumption is strong.

"We only see two or three fireballs that bright each year. Finland hasn't collected a meteorite that has fallen to the Earth in over 40 years, so it would be fantastically great to find one," he says.
Camera

Daytime meteor fireball photographed in sky above Mounts Bay, Cornwall, England

© Michael Potter
On the left side of this picture, highlighted by the dark cloud but with its detail obscured, is a bright triangular shape streaking across the sky.

Could it be visitor from space or perhaps an experimental delta-wing aircraft from Culdrose or beyond?

It was snapped by accident and only discovered when Michael Potter reviewed his photographs of Mounts Bay on his computer.

He said: "I uploaded it to my laptop and decided to delete it because of the apparent sunspot over part of the image.
Meteor

'Sonic booms', 'frost-quakes', and now another lame explanation for overhead explosions: Loud booms in Chesterfield, Virginia blamed on exploding tannerite


File photo of a meteor fireball
Several mysterious booms heard in Chesterfield and the Tri-Cities were likely caused by exploding targets made with tannerite.

Tannerite targets can be bought over-the-counter at sporting goods stores, usually in half-pound or pound jars. However, bulk exploding tannerite targets are available online.

Justin Watkins, 28, fired off 20 pounds of tannerite Saturday afternoon. Watkins says he and many neighbors in the area shoot off the loud, exploding targets in the woods. Tannerite targets are perfectly legal, if used properly.

"We spent close to $100 on just 20 pounds of (tannerite)," said Watkins.

Neighbors were certainly shocked by Saturday's blast and the series of explosions heard intermittently over the last few weeks.

"It was like an explosion and it startled us. It shook the house, and we weren't sure what it was," said Beth Wilson, who was rattled after the big boom on Saturday.


Comment: All the 'booms' cannot be attributed to exploding tannerite because they don't fit the description of loud booms that "shake houses" and are heard "around the county and beyond". Here are two videos of 20 pounds of tannerite exploding:



It's quite loud, and indeed it could shake a nearby house, but it's not going to be heard for miles around and it's not going to startle people if they're used to tannerite going off.

Fireball 4

'Huge' meteor fireball seen across eight Mexican states

Meteor
© Twitter/Steffany_rm
Lots of people in Mexico reported seeing a meteor (meteoro) or meteorite (meteorito) on Thursday evening. The meteor or comet was spotted around 7:03 p.m. local time by a web camera in Mexico City and also reported by a range of people from other locations.

One Twitter user said they saw it from the hills of Angeloplis "perfectly."

Another said they saw it in Puebla.

"It crossed the entire sky from south to west," said another user.

Sightings were also reported in Morella. Sky Alert said that sightings have been reported in eight states and the federal district."It was a streak of light moving at high speed," said Andres Olmos in Morella. "It was huge!"
Fireball 2

AMS receives hundreds of reports of 4 separate meteor fireballs seen over U.S., 28 January 2014

The American Meteor Society has received over 100 reports of a bright fireball seen from mid western states at approximately 8:30 PM local eastern time. Witnesses from Ohio, Indiana, Illinois, West Virginia, Kentucky, Michigan and Pennsylvania reported an extremely large and bright bluish green ball of light followed by a bright white tail. Sighting reports clustered the start and end point of the meteor near the Ohio and Kentucky border, heading from the east almost due west.

From Bill Cooke (Meteoroid Environments Office, NASA)
Time of this fireball was January 29 at 01:17:39 UTC (Jan 28 - 8:17pm EST.)
Best trajectory estimation:
Start location: 83.397 W, 37.809 N at 93 km altitude
End location: 84.278 W, 37.162 N at 70 km altitude
Speed: 36 km/s +/- 7 km/s
Radiant: RA 172.1 +/- 2 deg, Dec +40.8 +/- 0.4 deg
© AMS
AMS Event #312-2014 – "Mid West Fireball" – January 28th, 2014 – 2D Trajectory
Fireball 2

Meteor fireball lights up night sky in Kentucky, 28 January 2014


Screencapture of a meteor fireball over Kentucky, 28 Jan. 2014, from a security camera.
It's something that has puzzled people across Michiana... what lit up the sky Tuesday night?

While outside with his dog last night, something in the night sky caught Jason Goss' eye.

"I just saw this great big ball of fire basically coming from the north heading to the south and it disappeared behind the building," Goss said.

That ball of fire was big, big enough to be seen as far away as southeastern Kentucky where a security camera caught it lighting up the sky before fading away.

"It happened so quick I didn't know what to think," Goss said.

Meteor

Meteor fireballs, 'loud booms' and 'strange sky sounds' reported over Oklahoma

© SOTT.net
On January 24th, 2014, a meteor fireball was seen by many above Oklahoma and Texas, with reports also coming in from Arkansas.


The following day, on January 25th, in Tulsa, Oklahoma thousands reported feeling and hearing a very loud boom. It was loud enough to be heard indoors and it shook windows and rattled doors.

Comment: See also: Fire in the Sky - SOTT Summary 2013

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