1908 Russian space impact crater discovered
Scientists say they've finally located the crater from the 1908 space impacted that flattened 770 square miles of forest and released 1000 times as much energy as the Hiroshima atom bomb.
In their new study, a team of Italian scientists used acoustic imagery to investigate the bottom of Lake Cheko, about five miles (eight kilometers) north of the explosion's suspected epicenter.Link (Thanks, Coop!)"When our expedition [was at] Tunguska, we didn't have a clue that Lake Cheko might fill a crater," said Luca Gasperini, a geologist with the Marine Science Institute in Bologna who led the study.
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Looks like the scientist in question couldn't read Russian. So they never found out the lake had been there long before the explosion.
http://en.wikipedia.org/wiki/Tunguska_event#Lake_Cheko
I believe this was posted on Slashdot a while back, and the general consensus was that this is poor science and there is still nothing conclusive.
How do you lose something like that?
I mean, I lose socks and underwear in the dryer all the time, but as far as I know they don't release 15 megatons of energy.
"So they never found out the lake had been there long before the explosion."
the article in question actually addresses that, i'm not vouching for their conclusion, i'm just saying that if you'd read it...
Kaniu, the article says that according to Gasperini, the older sedimentary deposits were already there at the time of the impact, and so the Russian scientists' dating of the lake was in error. Like Cpt. Tim, I'm not sure Gasperini's right; but he is aware that the Russians said the lake was already there.
I'm having trouble with the idea that the object cut down to the older sedimentary layers but otherwise left them undisturbed. Possibly that's not what Gasperini & Co. had in mind. There isn't enough detail in the description to be sure.
"Scientists say they've finally located the crater from the 1908 space impacted that flattened 770 square miles of forest . . ."
Grammar much, guys? Does not compute.
There's a Readers Digest book published in 1978 (The World's Last Mysteries) that describes the incident with a possibility that a black hole actually passed through the Earth.... bystanders reported that their clothes burned and their samovars and silverware melted.
Anything related to this incident is facinating.
They'd just better look out for the Black Tar. Or Ultimate Vision.
Actually, Florensky's silt sediments are the least of the problems with Team Bologna's "solution" to the Tunguska mystery.
Check out http://www.vurdalak.com/askjack/askjack_q06.htm for contemporary eyewitness testimony that show Lake Cheko was there long before the 1908 Event.