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Science & Technology

Japan quake 'heard at edge of space'

By T.K. Randall
March 12, 2013 · Comment icon 11 comments



Image Credit: CC 2.0 Jeremy Lock
Scientists have stated that the Tohoku earthquake in 2011 was so big that it was picked up from space.
The magnitude 9.0 quake caused such a disturbance that it sent a ripple of sound through the atmosphere and was picked up by the orbiting Goce satellite more than 255km above the Earth's surface. It is the first time a spacecraft has been able to pick up the low-frequency acoustic waves from a tremor occurring on the ground.

"We've looked for this signal before with other satellites and haven't seen it, and I think that's because you need an incredibly fine instrument," said ESA's Dr Rune Floberghagen. "Goce's accelerometers are about a hundred times more sensitive than any previous instrumentation and we detected the acoustic wave not once, but twice - passing through it over the Pacific and over Europe."
The great Tohoku earthquake in Japan two years ago was so big its effects were even felt at the edge of space.


Source: BBC News | Comments (11)


Recent comments on this story
Comment icon #2 Posted by highdesert50 10 years ago
Amazing really that a mechanically originated acoustic wave could be detected at that distance. Wondering if the data is being reviewed to determine if there were any precursory acoustic signatures detected in this and other earthquakes.
Comment icon #3 Posted by paperdyer 10 years ago
I agree, but wouldn't it get costly to send satellites everywhere?
Comment icon #4 Posted by DigitalDreamer 10 years ago
Senior year,sheesh..still remember a friend of mine who had an app and (as we prepared to do this daily broadcast of school b.s.)it showed the pinpoint position on a 3d globe of where it had happened.Still fresh in my mind
Comment icon #5 Posted by regeneratia 10 years ago
HAARP, or it's chiinese companion, is so good at being detected.
Comment icon #6 Posted by badeskov 10 years ago
HAARP, or it's chiinese companion, is so good at being detected. Huh?
Comment icon #7 Posted by regeneratia 10 years ago
Huh? Does Huh? mean that you will do the work to look up and find out about what I am saying?
Comment icon #8 Posted by badeskov 10 years ago
Does Huh? mean that you will do the work to look up and find out about what I am saying? What you are saying makes no sense whatsoever, but please feel free to elaborate and educate me. I know of HAARP very well, capabilities and limitations and I can no matter how much I stretch my otherwise rather vivid imagination see any connection between HAARP and the Earthquake off the coast in Japan. Cheers, Badeskov
Comment icon #9 Posted by regeneratia 10 years ago
What you are saying makes no sense whatsoever, but please feel free to elaborate and educate me. I know of HAARP very well, capabilities and limitations and I can no matter how much I stretch my otherwise rather vivid imagination see any connection between HAARP and the Earthquake off the coast in Japan. Cheers, Badeskov First of all, if you accept the cryptic from your government and mainstream media, you should have no trouble whatsoever in accepting the cryptic from me. Look it up yourself. It is now said that there are at least 18 HAARP-like arrays on the planet. Do I believe that? I am on... [More]
Comment icon #10 Posted by badeskov 10 years ago
First of all, if you accept the cryptic from your government and mainstream media, you should have no trouble whatsoever in accepting the cryptic from me. Look it up yourself. It is now said that there are at least 18 HAARP-like arrays on the planet. Do I believe that? I am on the fence on that statement. However china has a HAARP array. In other words, you actually have no clue and cannot explain it to me. The Alaskan HAARP facility is not cryptic to me because I understand the technology and I have a very good idea of their limitations and capabilities. There are many antenna arrays in the w... [More]
Comment icon #11 Posted by The New Richard Nixon 10 years ago
What has clouds got to fo with Earthquakes and space?


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