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Quake rattles Collier County, Florida
#1
6.0-magnitude quake is eastern Gulf’s largest in 30 years

By Jennifer Brannock

Monday, September 11, 2006

Frequent Naples visitors Jim Krizman and Sue Kalder said they were prepared for the threat of hurricanes when they journeyed south from Detroit.

But earthquakes?

"We used to be really nervous about hurricanes, until we were down here for (Hurricane) Jeanne, and saw it was no big deal," Krizman, 45, said. "Then there was this."

Krizman and Kalder weren't the only ones rattled by the 6.0 earthquake that erupted at 10:56 Sunday morning about 260 miles off the coast of Tampa in the Gulf of Mexico. The rare quake shook homes from Louisiana to Southwest Florida.

Scientists said it was the largest and most widely felt of more than a dozen earthquakes recorded in the eastern Gulf of Mexico in the last 30 years.

Kalder, 45, will certainly remember her vacation adventure at Marco Island's Angler's Cove hotel.

"We were on the fourth floor, and everything just started shaking," she said.

"It felt like someone was shaking the bed," Kalder's boyfriend, Krizman, said. "I didn't know what it was.

"I thought it lasted a little too long to be an earthquake."

Naples police and Collier County Sheriff's officials said they were flooded with phone calls shortly after the earthquake from curious residents.

The U.S. Geological Survey (USGS) agency received more than 2,800 reports from people who felt the tremor.

None reported any damage or injuries, officials said.

USGS officials said the quake was not powerful enough to trigger tsunami danger or other dangerous wave activity.

Indications that any disruption in beach-goers' daily lives could only be noted in their conversations.

At the Naples Pier, word of the quake spread like country club gossip. Though not many residents appeared to have felt the quake, everyone seemed to know someone who did.

La Playa Country Club member Don Hill said he should have been in the right place at the right time to feel the quake. But strangely, Hill said he never felt a thing while sunbathing on Vanderbilt Beach shortly before 11 a.m.

"I heard about it later at about 2:30, and I went up to the beach house to check the news," said Hill of Naples. "We didn't realize there was a fault in the Gulf that could cause this, but apparently, there is."

At the seven-story tall Madrid Club condominiums, on Gulf Shore Drive, resident Ron Pennington said neither he nor his neighbors were aware of the earthquake.

"I was very surprised, because I never felt a thing," he said. "We've all been talking about it, but no one felt anything."

Residents had the opportunity to visit the USGS Web site to report the quake. About 30 Naples residents reported they felt some activity. Two Ochopee residents also reported feeling the tremor.

Though county residents buzzed about the event, none seemed to fear future tremors. That is a wise attitude to have, said Don Blakeman, an earthquake analyst with the USGS National Earthquake Information Center

"This is a fairly unique event," Blakeman said. "There is no danger."

Earthquakes are more common than most people think, USGS officials said. Information about them is fairly obscure, because most are too small or too far away from land to be noticed.

Sunday's earthquake was unusual because it was not centered on a known fault line. The "midplate" earthquake, deep under the Gulf, was probably the result of stresses generated by the interaction of distant tectonic plates in the earth's crust, the agency said.

The most prevalent vibration felt Sunday, which lasted about 20 seconds, was felt on the Gulf coast of Florida and in southern Georgia, Blakeman said. But residents in Alabama, Mississippi and Louisiana also called in reports.

Scientists recorded a magnitude 5.2 tremor in the same location Feb. 10.

Only one of Florida's rare earthquakes caused damage. In January 1879, St. Augustine residents reported heavy shaking that knocked plaster off the walls and sent items tumbling off shelves.

© 2006 Naples Daily News and NDN Productions. Published in Naples, Florida, USA by the E.W. Scripps Co.

http://www.naplesnews.com/news/2006/sep/...local_news
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#2
Yes, this quake rattled my windows in Charlotte County, Florida and felt like the rumbling and shaking after lightening has struck very close to you and rattles the windows in your house. . . Except there was not a cloud in the sky. Ten minutes later I received a notice from USGS the quake had occurred.

This is the third quake in the past 6 months in the same area with NO fault lines here and they were 5.2 mags. I thought I would post this article: (Linda) :?


Gulf of Mexico 6.0 Quake Has Many People Talking 
& First Time Disclosure Oil Companies Don't Want You to Know
by Mitch Battros - ECM/ECTV

Tonight as my guest I will have Jim Berkland, geologist on the show. Jim is well known for his accurate earthquake predictions, but he did not see this one coming.

The U.S. Geological Survey National Earthquake Information Center is reported a 6.0 magnitude earthquake had occurred in the Gulf of Mexico approximately 250 miles WSW of Anna Maria, Florida.  Tremors were reportedly felt in the Tampa Bay Area and as far north as North Carolina. The quake occurred at the epicenter at approximately 10:56 a.m. Sunday morning. 

This quake caught the attention of professionals as well as amateur monitors due to its location. Some have speculated the quake occurred as a result of "fluid displacement", in this case meaning the extraction of oil. Others believe it could be a pre-cursor to the much anticipated New Madrid fault which geologist suggests is over due for another mega-quake. 

Water and Oil Displacement and Earthquakes

New research has established a new technique for extracting oil. Studies show that by shaking the ground it causes what is referred to as "permeability". Permeability is defined as: "the capability of a porous rock or sediment to permit the flow of fluids through its pore spaces."

Earth Changes Media has discovered a credible research project initiated for peer-review which was recently released and is now available for public viewing. This release comes from the University of California at Santa Cruz 'earth sciences' department. It is authored by Professor Emily Brodsky, assistant professor. 

"The enhanced permeability caused by seismic shaking could potentially be harnessed to help extract oil from natural reservoirs. Permeability governs how fluid flows through rocks, whether it's water or oil, so this has practical implications for oil extraction," Brodsky said.

Brodsky is co-author of a paper describing the new findings is now published in the scientific journal 'Nature'. The first author is Jean Elkhoury, a graduate student who worked with Brodsky at UCLA, and the other co-author is Duncan Agnew of UC San Diego. The study was based on two decades of data from the Piñon Flat Observatory in southern California, where researchers from UCSD's Scripps Institution of Oceanography maintain an extensive geophysical observatory.

First for our science colleagues: In essence, net extraction of oil and water reduces slightly the average density of the upper crust, causing an isostatic imbalance. The ductile lower crust deforms in response to this imbalance, thus increasing the load on the seismogenic layer, which fails seismically to thicken the crust so as to restore static equilibrium locally. Accordingly, earthquakes near the base of the upper crust may be an expected outcome of major oil production from growing anticlines, irrespective of the depths of the producing formations. 

Now in plain English: When thrusting or extracting oil or water, it causes an imbalance in the Earth's crust or mantle. A natural consequence is for the Earth to find its equilibrium (balance) causing a shift in plates or crustal displacement. This is best known to you and me as an "earthquake".
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#3
:shock: If the New Madrid quake occurs it could possibly and has been predicted to empty the Great Lakes.Maybe Cayce was correct.We all know timing is tricky.
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#4
Lightworker, I received an email this morning which discusses the same cause for some earthquakes (oil extraction) but is not published yet as far as I know.  It makes a lot of sense.
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