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Mar 02

Chilean Quake Likely Shifted Earth’s Axis, NASA Scientist Says

News, Odd News Comments Off on Chilean Quake Likely Shifted Earth’s Axis, NASA Scientist Says

By Alex Morales

March 1 (Bloomberg) — The earthquake that killed more than 700 people in Chile on Feb. 27 probably shifted the Earth’s axis and shortened the day, a National Aeronautics and Space Administration scientist said.

Earthquakes can involve shifting hundreds of kilometers of rock by several meters, changing the distribution of mass on the planet. This affects the Earth’s rotation, said Richard Gross, a geophysicist at NASA’s Jet Propulsion Laboratory in Pasadena, California, who uses a computer model to calculate the effects.

“The length of the day should have gotten shorter by 1.26 microseconds (millionths of a second),” Gross, said today in an e-mailed reply to questions. “The axis about which the Earth’s mass is balanced should have moved by 2.7 milliarcseconds (about 8 centimeters or 3 inches).”

The changes can be modeled, though they’re difficult to physically detect given their small size, Gross said. Some changes may be more obvious, and islands may have shifted, according to Andreas Rietbrock, a professor of Earth Sciences at the U.K.’s Liverpool University who has studied the area impacted, though not since the latest temblor.

Santa Maria Island off the coast near Concepcion, Chile’s second-largest city, may have been raised 2 meters (6 feet) as a result of the latest quake, Rietbrock said today in a telephone interview. He said the rocks there show evidence pointing to past earthquakes shifting the island upward in the past.

‘Ice-Skater Effect’

“It’s what we call the ice-skater effect,” David Kerridge, head of Earth hazards and systems at the British Geological Survey in Edinburgh, said today in a telephone interview. “As the ice skater puts when she’s going around in a circle, and she pulls her arms in, she gets faster and faster. It’s the same idea with the Earth going around if you change the distribution of mass, the rotation rate changes.”

Rietbrock said he hasn’t been able to get in touch with seismologists in Concepcion to discuss the quake, which registered 8.8 on the Richter scale.

“What definitely the earthquake has done is made the Earth ring like a bell,” Rietbrock said.

The magnitude 9.1 Sumatran in 2004 that generated an Indian Ocean tsunami shortened the day by 6.8 microseconds and shifted the axis by about 2.3 milliarcseconds, Gross said.

The changes happen on the day and then carry on “forever,” Benjamin Fong Chao, dean of Earth Sciences of the National Central University in Taiwan, said in an e-mail.

“This small contribution is buried in larger changes due to other causes, such as atmospheric mass moving around on Earth,” Chao said.

written by Pinewood Design \\ tags: , , , ,

Dec 06

Ever since Google first let people scour the planet from the comfort of their computers through the Google Earth software program, fans have been on a virtual scavenger hunt from the North Pole to the South Pole looking for anything interesting, unusual, or unexplained. From shipwrecks to crop circles, from ads big enough to be read from space to a giant pink bunny nearly the size of a football field, we’ve collected just a few of the odd and spectacular sights. You can see the same images in Google Maps by clicking the links we provide–but you’ll get a better view by copying the coordinates in parentheses after each link and pasting them into Google Earth’s ‘Fly To’ box. Enjoy the trip!

Only From the Sky

Dubbed The Badlands Guardian by locals, this geological marvel (Google Earth coordinates 50.010083,-110.113006) in Alberta, Canada, bears an uncanny resemblance to a human head wearing a full Native American headdress–and earphones, to boot. Of course, The Guardian was produced naturally. For a more synthetic wonder that can be truly appreciated only from above, check out the giant man-shaped lake (-21.805149,-49.089977) near Bauru, Brazil.

Huge and Unique

Finding huge and unique things via Google Earth is one of the most popular activities within the Google Earth community. This giant pink bunny (Google Earth coordinates 44.244273,7.769737) in Prata Nevoso, Italy, was built by a group of artists from Vienna, according to published accounts. It’s 200 feet long and answers to the name “Hare.”

Crop Circles

Without a doubt, the best thing that ever happened to crop circles is Google Earth. This circle in the desert just outside Beatty, Nevada (Google Earth coordinates 37.401437,-116.86773), is one of hundreds spotted with the software.

Celebrity Obsession

As if Oprah Winfrey’s celebrity weren’t big enough already, an Arizona farmer built a 10-acre homage to the talk show host (Google Earth coordinates 33.225488,-111.5955). Visitors can tell their friends, “I got lost inside Oprah’s head.”

Open Secrets

If you’re in the intelligence business, Google Earth makes hiding big things nearly impossible. This image is believed to be of a 1.8-square-mile scale model of a disputed region on the border of China and India. Google Earth spotters found it in a remote area in north central China (Google Earth coordinates 38.265652,105.9517). One theory on why this model exists comes from the Australian publication The Age, which reported that the scale model is used to train tank drivers.

Bikinis From Space

Spend enough time on Google Earth, and you start thinking that the world is a pretty low-resolution place. But Google Earth is steadily updating its maps with high-resolution pictures. Zoom in on this Google Earth satellite shot of Australia’s Bondi Beach (Google Earth coordinates -33.892351,151.27538), and you can almost read the designer labels on the bikinis.

African Break Time

National Geographic partnered with Google Earth on a project called Africa Megaflyover. The magazine has made more than 500 high-resolution images accessible through Google Earth, including this close-up view (Google Earth coordinates 15.298693,19.429661) of camels and their caretakers taking a water break in Nigeria.

Auto Antics

Think parking is tough where you live? In Westenbergstraat, Netherlands, drivers apparently have to park on the sides of walls (Google Earth coordinates 52.069207,4.3139865).

Big Commute

Google’s satellites sometimes catch the Earth’s inhabitants on the move, like these ten African elephants (Google Earth coordinates 10.903497,19.93229).

Virtual Sightseeing

Nothing can replace hopping in a plane and going somewhere, but Google Earth gives you a small taste of what you might see when you visit some of the world’s tourist destinations. This spectacular shot shows Victoria Falls (Google Earth coordinates -17.925511,25.858223) on the border of Zambia and Zimbabwe. Other virtual destinations worth flying over are Mt. Everest (27.985866,86.92844) and Mt. Kilimanjaro (-3.0726042,37.343093).

Show Me a Sign

Google Earth doesn’t have advertising, unless you consider the corporate logos and trademarks big enough to be seen from space. This giant Ford logo (Google Earth coordinates 42.302284,-83.231215) is found near (where else?) Detroit, Michigan. You think that’s big? Check out the massive Coca-Cola logo (-18.529225,-70.25002) etched into a hillside in Chile with 70,000 Coke bottles. Haven’t they heard of recycling?

Airplanes in Flight

For aviation buffs, Google Earth offers the unique ability to spot airplanes in midair. One Google Earth Community has Placemarks for more than 3300 planes in flight, including this World War II bomber (Google Earth coordinates 52.336392,-0.1953462) flying over Huntingdon, England.

Floating Failures

The unblinking eyes of the satellites record not only human achievements, but our less successful moments as well. One example is this huge ship (Google Earth coordinates 30.541634,47.825445) floating on its side after a maritime accident in the waters of Basrah, Iraq.

Caught on Satellite

Sometimes Google Earth is lucky enough to catch things as they happen. Here Google Earth captures a truck that crashed (Google Earth coordinates 46.765669,-100.79274) outside of Bismarck, North Dakota. In another instance, Google Earth caught fishermen illegally bottom-trawling (28.102512,-14.265835) beaches near Spain’s Canary Islands.

Map Mysteries

Some of the sights you find in Google Earth are just plain mysterious. For example, why is a fighter jet parked (Google Earth coordinates 48.825183,2.1985795) in what looks to be a residential neighborhood lot near Paris? And why is this lake in Iraq (33.39845000,44.48416800) blood red?

To view the Blood red lake in Iraq, click here

Strange Buildings

The image is from from Chicago, USA. Why do the buildings lean in different angles? strange eh?

Nessie???

What is it in this lake over here?? Did I actually discover Nessie?? :)

UFO??

I dont know bout you guys but it sure looks like a UFO is landing on that building.

Microsoft Obsessed with DirectX

Here is an Image of the Microsoft HQ, Are they so obsessed with Direct X that they designed their buildings in the same design as the logo?

Marry Me?

Its written ” Marry Me Tammy” This guy must really be desperate. :) Did she say Yes?

Firefox Cropcircles

This is one farmer who is a huge fan of firefox. I’m sure he hates Internet explorer with a passion :)

Where’d that come from

How’d they get that boat in there, there is no path ??

Source from: SoftMall
Some of the images are Courtesy of: PCWorld

written by Pinewood Design \\ tags: , , , , ,

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