Meteor Impact Sites & Links

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 Impacts have played an important role in shaping the natural history of the Earth. While impacts are rare events in human history, they remain a potential hazard to life on Earth. Individual twentieth century impact events on Earth are known to have caused damage ranging from minor personal injury to the devastation of a vast area of Siberian forest in the so-called "Tunguska Event." The 1994 impact of comet Shoemaker-Levy 9 on the planet Jupiter vividly illustrated the potentially immense destructive power of these events.

 

World's largest asteroid impact zone believed uncovered
by ANU researchers in central Australia

 

Asteroid collided with another before exploding
over Russia with '30 times force of atomic bomb'

 

99942 Apophis (2004 MN4)

99942 Apophis   wikipedia 

Radar Observations Refine the Future Motion of Asteroid 2004 MN4

Near-Earth Asteroid 2004 MN4 Reaches Highest Score To Date On Hazard Scale

Earth Introduction  new
Check out our planet and download some amazing photo's of our home

142 million years ago, an asteroid or comet slammed into what is now the Missionary Plains in Australia's Northern Territory, forming a crater 24 kilometers in diameter and 5 kilometers deep. Today, like a bull's eye, the circular ring of hills that defines Gosses Bluff stands as a stark reminder of the event. The crater is located just south of MacDonnel Ranges. It is highly eroded. The circular ring of hills is actually (5 kilometers or 3 miles diameter) the results from differential erosion of the central uplift within this large complex crater. The crater rim is eroded to the point that it is no longer visible although is probably located along the grayish colored drainage system outside the inner ring.
Gosses Bluff

Studies of the Chesapeake Bay Impact Structure pdf

The Chesapeake Bay Bolide Impact: A New View of Coastal Plain Evolution

Awesome Vredefort Dome Special Section

Impact Craters: Structures, Drilling, Ages, and Geophysics
Impact Craters: Structures, Drilling, Ages, and Geophysics (Posters)
Terrestrial Impact Breccias

Please NOTE The Co-0rdinates for some sites listed in The Impact Database are up to 4klm out
I have corrected Henbury,Yarrabubba,Dalgaranga and Wolf Creek when I visited these sites

Asteroids & Their Impact

Damage by Impact

Huge Meteorite Impact Found In UK

Earth Impact Database

Earth Impact Map
 

Ignition threshold for impact-generated fires

Meteor Crater Map - Click an Icon and Zoom In

Educator's Guide to Impact Craters

Wilkes Land crater   part 2  240Klm

Terrestrial Impact Craters
Site worth looking at

Terrestrial Impact Craters Slide Set 1st Edition

Terrestrial Impact Craters Slide Set 2nd Edition

Terrestrial Impact Crater Structures

Manicouagan crater, Québec, Canada

Manicouagan impact  51°23'N, 68°42'W

Chain of Impact Craters Suggested by Spaceborne Radar Images

Barringer Impact Site in Arizona USA

The Tswaing/Soutpan Meteor Crater

Dino heatwave recorded in leaves

Dino crater viewed from space

'Quick' demise for the dinosaurs

Researchers to drill into dinosaur crater

Sea clue to death of dinosaurs

Asteroid 'destroyed life 250m years ago'

Another meteor strike blamed for extinctions

The Great Impact Debate

Meteor Showers

Leonid outburst in 2006

Kaali crater

Wabar craters

The Wabar Meteorite Impact Site

The Day the Sands Caught Fire

Nördlinger Ries

Big splash theory

Impact event
The geology of Earth-impact events
Mass extinctions and impacts
Recent pre-historic impact events
From Wikipedia

Sikhote-Alin Meteorite

Terrestrial Impact Craters

 

Australian Sites

How Australia was born

Wolfe Creek S19 10'22.08 E127 47'38.81   0.825klm

Spider  S16 44.001 E126 05.000    13klm

Glikson  S23 59.008 E121 34.000

Strangways  S15 12.000 E133 35.000   26klm

Dalgaranga  S27 38 07.2 E117 17 19.7

Goat Paddock  S18 20.539 E126 40.000

Connolly Basin  S23 32.000 E124 45.000

Veevers  S22 58.009 E125 22.000

Woodleigh  S26 03.000 E114 39.000

Piccaninny  S17 32.001 E128 25.000

Goyder S23 49.000 E132 19.000

Yarrabubba  S27 07.916 E118 46.783

Shoemaker  S25 52.009 E120 53.000   30klm

Liverpool  S12 24.000 E134 03.000

Foelsche  S16 40.971 E136 47.000

Kelly West  S19 56.510 E133 57.000  10klm

Amelia Creek  S20 55.000 E134 50.000

Lawn Hill S18 40.000 E138 39.000 ....20 klm

Boxhole  S22 37.000 E135 12.000

Gosses Bluff  S23 49.000 E132 19.000    22klm

Henbury  S24°34'19.42 E133° 8'53.34

Mount Toondina  S27 57.000 E135 22.000

Acraman  S32 01.539 E135 27.000   160klm

Tookoonooka  S27 07.000 E142 50.000

Flaxman  S34 37.539 E139 04.000

Crawford  S34 43.000 E139 02.000

Bedout High    part 2

Australian Impact Craters

Wikipedia Craters of Australia

 Australian Spaceguard Survey

meteor impact off Australia


Environmental Damage from Asteroid and Comet Impacts

How an Asteroid Impact Causes Extinction

The Chesapeake Bay Bolide Impact

The geology of Earth-impact events

Tsunami from Asteroid/Comet Impacts

Tsunami risk of asteroid strikes revealed

Researchers discover giant asteroid impact crater in Antarctica

Comet Shoemaker-Levy 9
Awesome

Small but deadly comets identified

Exploring century's greatest explosion

Europe's biggest smash hit

Close shave with asteroid

Earth Impact Effects Program try it
Enter Impact Parameters

Massive Crater Discovered Under Greenland Ice
 

Meteor Impact Viewer

Earth Impact Database
 

 

Here's Something To Think About

Compressed air beneath a large asteroid in the split second before impact would heat up five times hotter than the Sun’s surface!  A ½km asteroid hitting Central Australia would devastate a radius of 250km, shake flat all the cities of Australia, and probably end civilized society worldwide. The banking system would go beserk, food distribution cease, government services terminate, and law and order end. Since 70% of Earth’s surface is water 70% of impacts will be in oceans.  The first oceanic impact site was identified in 1987, 200 km south east of Nova Scotia. (New Scientist 1987 June 25) A mere 300 meter asteroid exploding into mid ocean would cause a splash 35 km high and tsunamis big enough to wipe out ¼ of humankind!  This is because most major cities lie near sea level:

Berlin and Montreal (35 meters),
San Francisco, New York (20 meters),
Tokyo, Sydney, Rio de Janeiro (10 meters),
St Petersburg, Honolulu, Washington DC (7 meters),
New Orleans, Alexandria, Calcutta (3 meters).

Impacts of 200-300 meter asteroids average one in 10,000 years — and could also be an explanation of Noah’s Flood! (Verschuur 1996 pp. 166, 162) A 1km impact in deep water would instantly flash heat surrounding air and water to 30,000oC, turn thousands of cubic kilometers of water into high pressure steam and generate a wave that would still be 100 meters high 2,000km from the impact site! Upon reaching the continental shelf its height would multiply 20 times to two km — many times higher than skyscrapers! The wave from a 10km iron asteroid in mid ocean would be 3km high 1,000km from the impact site and upon reaching the shore — 100 km high!! (Verschurr 1996 p. 154)  [It’s been calculated that a mere 300 meter high wave would advance 100km inland! — Hills & Goda 1993]

A 2 km asteroid impacting on land would kill half of humanity on the day by fire, earthquakes, erupting volcanoes, billions of ejected boulders and rocks flying around, super hot winds and floods.  Says Jon Murrie:

The stuff reentering would look like lots and lots of shooting stars…like a glaring layer of material above you of several thousand degrees celsius…like being under a griller. (The Advertiser 1993 June 12)
 Most initial survivors would die later from consequences of soot and dust saturated air, acid rain mixed with toxic metals, food-chain destruction, famine and freezing temperatures.

If that sounds terrifying consider a 10km asteroid arriving at 25km per second on land. The energy released would be 117,000,000 megatons, equal to 9,000,000,000 (9 billion) Hiroshima bombs or over 2 million times the power of the largest nuclear device (57 megatons) exploded by humans!

A 200km wide crater would form. One million cubic km of rock would be ejected forming layer upon layer of glowing hot material circling the planet and causing a worldwide firestorm.  Billions of shooting stars would fill the sky. Hundreds of reentering rocks would be over 100 meters wide — each by itself able to cause devastation across hundreds of kilometers. Impact energy transmitted through the planet could break open the opposite side causing massive lava flows. The sound of the initial impact would be heard around the planet. Part of Earth’s atmosphere would be blown off into space.  A thousand kilometers from the impact winds of 1,000 km/h would flatten cities and sweep away the rubble!  [Wind speeds of only 254-332 km/h  “destroy well-constructed buildings” and  winds of 333-419 km/h would level them! — Murck et al, 1997, p. 239]

Glowing layers of ash and dust circling the Earth would fry most creatures still surviving to death. The heat and winds would cause high evaporation and unimaginable downpours of steam and boiling water. Huge quantities of nitrogen oxides thrust into the sky would destroy the ozone layer and also cause enough acid rain to turn the oceans to dilute nitric/nitrous acid. After everything settles down the darkened skies blocking the sunlight would gradually turn Earth into a freezer!

Sometimes asteroid strikes may come in storms when comets break up. That happened to Jupiter in 1994. Duncan Steele (1995 pp.124-125) imagines hundreds of objects pelting Earth for days. Giant comets cross Earth’s orbit and create this risk on average every 100,000 years. (pp. 129-130)

The Asteroid Belt, a vast area of the Solar System orbiting like a huge doughnut around the Sun. The Belt is 175 million miles wide and 50 million miles thick. The material in the Belt travels at speeds up to 45,000 mph and ranges in size from dust particles to rock chunks as big as Alaska.

And the Earth can take that punishment , it has before and it will again.

 
 

Climate Change today...????  Climate Change...Then

Did the Chesapeake Bay bolide affect the location of Chesapeake Bay itself? We know that the bay is nowhere near 35 million years old. In fact, as late as 18,000 years ago, the bay region was dry land; the last great ice sheet was at its maximum over North America, and sea level was about 200 m lower than at present. This sea level exposed the area that now is the bay bottom and continental shelf. With sea level this low, the major east coast rivers had to cut narrow valleys across the region all the way to the shelf edge. About 10,000 years ago, however, the ice sheets began to melt rapidly, causing sea level to rise and flood the shelf and the coastal river valleys. The flooded valleys became the major modern estuaries, like Delaware Bay and Chesapeake Bay. The rivers of the Chesapeake region converged at a location directly over the buried crater. In short, the impact crater created a long-lasting topographic depression, which helped determine the eventual location of Chesapeake Bay.
 

Latest update 29 / 3 /2010