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post #1 of 7 (permalink) Old 04-12-2004, 03:19 PM Thread Starter
 
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Earth Impac calculator

http://www.lpl.arizona.edu/impacteffects/ Now you too can see what kinda damage a 2 mile asteroid will do to the earth =)
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post #2 of 7 (permalink) Old 04-12-2004, 08:49 PM
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sounds like a bad day......

fun stuff though....

Quote:
The air blast will arrive at approximately 666.7 seconds.
Peak Overpressure: 217645.4 Pa = 2.1765 bars = 30.9057 psi
Max wind velocity: 275.5 m/s = 616.3 mph
Sound Intensity: 107 dB (May cause ear pain)
Damage Description:


Multistory wall-bearing buildings will collapse.

Wood frame buildings will almost completely collapse.

Multistory steel-framed office-type buildings will suffer extreme frame distortion, incipient collapse.

Highway truss bridges will collapse.

Glass windows will shatter.

Cars and trucks will be overturned and displaced, requiring major repairs.

Up to 90 percent of trees blown down; remainder stripped of branches and leaves.
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post #3 of 7 (permalink) Old 04-13-2004, 01:19 AM
 
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I tried calculating the effect of pushing a Civic off a cliff, but a crater with a diameter of 895 feet seems a but high.

Someone want to figure this one out for me?
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post #4 of 7 (permalink) Old 04-13-2004, 01:31 AM
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Maybe too much density? Civics aren't very dense at all.
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post #5 of 7 (permalink) Old 04-13-2004, 08:51 AM
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Impact Effects
Robert Marcus, H. Jay Melosh, and Gareth Collins
Your Inputs:
Distance from Impact: 19320.00 km = 11997.72 miles
Projectile Diameter: 3218680.00 m = 10557270.40 ft = 1998.80 miles
Projectile Density: 8000 kg/m3
Impact Velocity: 115.92 km/s = 71.99 miles/s
Impact Angle: 90 degrees
Target Density: 3000 kg/m3
Target Type: Competent Rock or saturated soil
Energy:
9.38 x 1032 Joules = 2.24 x 1017 MegaTons TNT
The average interval between impacts of this size somewhere on Earth is 2.5 x 1015years
Crater Size:
What does this mean?



Transient Crater Diameter: 19637.64 km = 12194.97 miles
Final Crater Diameter: 71401.48 km = 44340.32 miles
The crater formed is a complex crater.
Thermal Radiation:
What does this mean?



Time for maximum radiation: 1689.17 seconds after impact


Visible fireball radius: 183106.6 km = 113709.2 miles
The fireball appears 2154.0 times larger than the sun
Thermal Exposure: 1.10 x 1014 Joules/m2
Duration of Irradiation: 254458 seconds
Radiant flux (relative to the sun): 432820.0


Effects of Thermal Radiation:


Clothing ignites

Much of the body suffers third degree burns

Newspaper ignites

Plywood flames

Deciduous trees ignite

Grass ignites



Seismic Effects:
What does this mean?


The major seismic shaking will arrive at approximately 3864.0 seconds.
Richter Scale Magnitude: 16.2 (This is greater than any shaking in recorded history)
Mercalli Scale Intensity at a distance of 19320 km:


XI. Rails bent greatly. Underground pipelines completely out of service. General panic. Conspicuous cracks in ground.


Ejecta:
What does this mean?



Little rocky ejecta reaches this site; fallout is dominated by condensed vapor from the projectile.


Air Blast:
What does this mean?


The air blast will arrive at approximately 64400.0 seconds.
Peak Overpressure: 310241501.1 Pa = 3102.4150 bars = 44054.2932 psi
Max wind velocity: 12889.5 m/s = 28833.0 mph
Sound Intensity: 170 dB (Dangerously Loud)
Damage Description:


Multistory wall-bearing buildings will collapse.

Wood frame buildings will almost completely collapse.

Multistory steel-framed office-type buildings will suffer extreme frame distortion, incipient collapse.

Highway truss bridges will collapse.

Highway girder bridges will collapse.

Glass windows will shatter.

Cars and trucks will be largely displaced and grossly distorted and will require rebuilding before use.

Up to 90 percent of trees blown down; remainder stripped of branches and leaves.


2005 Mustang GT| 5-speed|3.55 rear end| Full leather interior| Shaker 500| Gloss Black|SLP Loudmouth AB| Best 1/4 [email protected] 103.92 MPH



RIP:
1997 Dodge 3.3
https://www.dodgeintrepid.net/forums/...threadid=36887
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post #6 of 7 (permalink) Old 04-13-2004, 03:11 PM
 
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When one enters data comparable to that of a Honda Civic.

This message appears:

Your Inputs:
Distance from Impact: 2.20 km = 1.37 miles
Projectile Diameter: 3.05 m = 10.00 ft = 0.00 miles
Projectile Density: 500 kg/m3
Impact Velocity: 0.81 km/s = 0.50 miles/s
Impact Angle: 90 degrees
Target Density: 1500 kg/m3
Target Type: Competent Rock or saturated soil

This projectile is too small to traverse the atmosphere intact; it does not form a crater on the surface.


Which is 100 percent accurate.
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post #7 of 7 (permalink) Old 04-13-2004, 05:47 PM
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Wow, adding an "R" sticker to the Civic and dropping it into a big mudpuddle doesn't even leave a crater! . We all know that adds at least 1000 miles per second!
Quote:
Your Inputs:
Distance from Impact: 2.20 km = 1.37 miles
Projectile Diameter: 3.05 m = 10.00 ft = 0.00 miles
Projectile Density: 500 kg/m3
Impact Velocity: 1610.00 km/s = 999.81 miles/s
Impact Angle: 90 degrees
Target Density: 500 kg/m3
Target Type: Competent Rock or saturated soil
This projectile is too small to traverse the atmosphere intact; it does not form a crater on the surface.
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