Gosses bluff, northern territory, Australia (google maps)
Around 142.5 million years ago gosses bluff crater was formed by an object thought to be around 600 metres in diameter. the crater you see today is actually a lot smaller than the original depression due to erosion. its diameter currently stands at 5km, the original diameter thought to have been closer to 20km.
age – 142.5 million yrs
diameter – 5 km
Barringer crater, Arizona, United States (google maps)
Probably the most famous crater on earth and also the first on the planet to be recognized as an impact crater, barringer crater in arizona is actually one of the smaller examples with a piddly diameter of 1.2km and depth of 570ft. the impact occured 49′000 years ago.
age – 49′000 yrs
diameter – 1.2 km
Vredefort crater, Johannesburg, South Africa (google maps)
With an astounding diameter of around 300km, Vredefort basin in south Africa is currently the largest confirmed impact crater on earth and also one of the oldest at 2 billion years. the crater was the result of an extreme impact with an object whose diameter was 10km.
age – 2 billion yrs
diameter – 300 km
Manicouagan reservoir, Quebec, Canada (google maps)
This incredible 72km wide impact crater in Quebec has slowly transformed into its current state, what was originally the rim of the crater has since eroded away due to glaciation. the impact occured around 212 million years ago and the diameter of the asteroid is estimated to have been approximately 5km.
age – 212 million yrs
diameter – 72 km
Bosomtwe crater, Lake Bosomtwe, Ghana (google maps)
The actual impact crater which holds lake Bosomtwe is 10.5km in diameter, the lake itself 7km. the impact took place 1 million years ago and since then, due to heavy rainfall, the water level has sometimes spilled over the rim and flooded surrounding areas.
age – 1.2 million yrs
diameter – 10.5 km