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Jun-30-2008 12:16printcomments

Today is the Centenial Anniversary of Russia's Tunguska Explosion

Scientists believe the blast was about 1000 times as powerful as the bomb dropped on Hiroshima, Japan and about one third the power of the Tsar Bomba, the largest nuclear weapon ever detonated.


Special thanks to Matt McCombe and Wikimedia
Salem-News.com

(SALEM, Ore.) - June 30th 2008 is the Centennial anniversary of an event that rocked the very soul of Russia, known as the Tunguska Event, or Tunguska explosion. Historic accounts describe it as a massive explosion that happened near the Podkamennaya or Lower Stony Tunguska River, in an area now known as Krasnoyarsk Krai of Russia. It happened June 30th, 1908 around 7:14 AM.

That is when Tungus natives and others living in the hills northwest of Russia's Lake Baikal reported seeing a column of bluish light, that they described as being almost as bright as the Sun, moving across the sky.

A few minutes later they reported a flash and a sound that many said resembled artillery fire. The accompanying shock wave broke windows thousands of miles away from the impact zone, and knocked countless numbers of people to the ground.

Scientists believe the explosion was probably caused by the air burst of a large meteoroid or comet fragment at an altitude of 5–10 kilometres (3–6 miles) above Earth's surface.

Studies conducted over the years have brought forth contrasting estimates over the size fo the object. It wasn't small, and most today agree that it was possibly thirty or forth meters across.

The scientific community believes that even though this meteor or comet blew up over the earth's surface, it still held a major impact for the earth.

Experts figure the energy of the blast ranged from 5 megatons, to something like 30 megatons of TNT. In layman's terms, that is about 1000 times as powerful as the bomb dropped on Hiroshima, Japan and about one third the power of the Tsar Bomba, the largest nuclear weapon ever detonated.

The explosion over Russia leveled approximately 80 million trees, impacting more than 2,150 square kilometres, or 830 square miles. It is believed that the earthquake generated by the blast would have measured 5.0 on the Richter scale, but that had not been invented yet, so it remains an estimate.

In today's terms, this explosion is about the same that would be required to take out a large metropolitan city. This is the possibility according to Wikipedia, that eventually led to the discussion of asteroid deflection strategies.

Either way, the Tunguska event is believed to be the largest event in modern history involving earth impact, though similar events could have taken place in the ocean in earlier years that scientists and historians do not know about.

Eyewitness accounts, courtesy of Wikipedia

* Testimony of Chuchan of Shanyagir tribe, as recorded by I.M.Suslov in 1926

"We had a hut by the river with my brother Chekaren. We were sleeping. Suddenly we both woke up at the same time. Somebody shoved us. We heard whistling and felt strong wind. Chekaren said, 'Can you hear all those birds flying overhead?' We were both in the hut, couldn't see what was going on outside. Suddenly, I got shoved again, this time so hard I fell into the fire. I got scared. Chekaren got scared too. We started crying out for father, mother, brother, but no one answered. There was noise beyond the hut, we could hear trees falling down. Chekaren and I got out of our sleeping bags and wanted to run out, but then the thunder struck. This was the first thunder. The Earth began to move and rock, wind hit our hut and knocked it over. My body was pushed down by sticks, but my head was in the clear. Then I saw a wonder: trees were falling, the branches were on fire, it became mighty bright, how can I say this, as if there was a second sun, my eyes were hurting, I even closed them. It was like what the Russians call lightning. And immediately there was a loud thunderclap. This was the second thunder. The morning was sunny, there were no clouds, our Sun was shining brightly as usual, and suddenly there came a second one! "Chekaren and I had some difficulty getting out from under the remains of our hut. Then we saw that above, but in a different place, there was another flash, and loud thunder came. This was the third thunder strike. Wind came again, knocked us off our feet, struck against the fallen trees. "We looked at the fallen trees, watched the tree tops get snapped off, watched the fires. Suddenly Chekaren yelled 'Look up' and pointed with his hand. I looked there and saw another flash, and it made another thunder. But the noise was less than before. This was the fourth strike, like normal thunder. "Now I remember well there was also one more thunder strike, but it was small, and somewhere far away, where the Sun goes to sleep."


* Testimony of S. Semenov, as recorded by Leonid Kulik's expedition in 1930

"At breakfast time I was sitting by the house at Vanavara trading post (65 kilometres/40 miles south of the explosion), facing North. [...] I suddenly saw that directly to the North, over Onkoul's Tunguska road, the sky split in two and fire appeared high and wide over the forest (as Semenov showed, about 50 degrees up - expedition note). The split in the sky grew larger, and the entire Northern side was covered with fire. At that moment I became so hot that I couldn't bear it, as if my shirt was on fire; from the northern side, where the fire was, came strong heat. I wanted to tear off my shirt and throw it down, but then the sky shut closed, and a strong thump sounded, and I was thrown a few yards. I lost my senses for a moment, but then my wife ran out and led me to the house. After that such noise came, as if rocks were falling or cannons were firing, the earth shook, and when I was on the ground, I pressed my head down, fearing rocks would smash it. When the sky opened up, hot wind raced between the houses, like from cannons, which left traces in the ground like pathways, and it damaged some crops. Later we saw that many windows were shattered, and in the barn a part of the iron lock snapped."

* Sibir newspaper, July 2, 1908

"On the 17th of June, around 9 in the AM, we observed an unusual natural occurrence. In the N Karelinski village (200 verst N of Kirensk) the peasants saw to the North-West, rather high above the horizon, some strangely bright (impossible to look at) bluish-white heavenly body, which for 10 minutes moved downwards. The body appeared as a "pipe", i.e. a cylinder. The sky was cloudless, only a small dark cloud was observed in the general direction of the bright body. It was hot and dry. As the body neared the ground (forest), the bright body seemed to smudge, and then turned into a giant billow of black smoke, and a loud knocking (not thunder) was heard, as if large stones were falling, or artillery was fired. All buildings shook. At the same time the cloud began emitting flames of uncertain shapes. All villagers were stricken with panic and took to the streets, women cried, thinking it was the end of the world. "The author of these lines was meantime in the forest about 6 verst N of Kirensk, and heard to the NE some kind of artillery barrage, that repeated in intervals of 15 minutes at least 10 times. In Kirensk in a few buildings in the walls facing north-east window glass shook."

* Siberian Life newspaper, July 27, 1908

"When the meteorite fell, strong tremors in the ground were observed, and near the Lovat village of the Kansk uezd two strong explosions were heard, as if from large-caliber artillery."

* Krasnoyaretz newspaper, July 13, 1908

"Kezhemskoe village. On the 17th an unusual atmospheric event was observed. At 7:43 the noise akin to a strong wind was heard. Immediately afterwards a horrific thump sounded, followed by an earthquake which literally shook the buildings, as if they were hit by a large log or a heavy rock. The first thump was followed by a second, and then a third. Then - the interval between the first and the third thumps were accompanied by an unusual underground rattle, similar to a railway upon which dozens of trains are traveling at the same time. Afterwards for 5 to 6 minutes an exact likeness of artillery fire was heard: 50 to 60 salvoes in short, equal intervals, which got progressively weaker. After 1.5 - 2 minutes after one of the "barrages" six more thumps were heard, like cannon firing, but individual, loud, and accompanied by tremors. "The sky, at the first sight, appeared to be clear. There was no wind and no clouds. However upon closer inspection to the North, i.e. where most of the thumps were heard, a kind of an ashen cloud was seen near the horizon which kept getting smaller and more transparent, and possibly by around 2-3 p.m. completely disappeared."

Tim King is a former U.S. Marine with twenty years of experience on the west coast as a television news producer, photojournalist, reporter and assignment editor. Today, in addition to his role as a war correspondent in Afghanistan where he spent the winter of 2006/07, this Los Angeles native serves as Salem-News.com's Executive News Editor. Salem-News.com is the nation's only truly independent high traffic news Website, affiliated with Google News and several other major search engines and news aggregators. Tim's coverage from Iraq that was set to begin in April has been delayed and may not take place until August, 2008. You can send Tim an email at this address: newsroom@salem-news.com




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paul February 11, 2011 8:50 am (Pacific time)

rasputin u are a idiot...


Rasputin July 1, 2008 3:43 pm (Pacific time)

I was there when this happened. I was camping with some friends, when I was called to investigate a strange noise coming from a cave, and I guess because of my entry into the cave I was protected from the blast. Unfortunately I was sealed into this cave for close to 90 years until some miner's found me. I sure lost a lot of weight, but othewise in great shape.


Pam July 1, 2008 7:58 am (Pacific time)

June 30 is the anniversary? Two of the testimonies say June 17 . . .

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