Not quite that big, though it did hit part of what is now the Yucatan Peninsula.
The Chixilub crater is over 180 kilometers across and makes it the largest confirmed impact feature on Earth. It is estimated that the impactor was about 10km, perhaps a source of confusion for Mr. Turner.
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It is worth mentioning the hypothesis that the extinction event that did in the dinosaurs might not have been a singular event, there may have been multiple impactors that struck within a few years of each other. One such canidate is the (unconfirmed) Shiva crater in the Indian Ocean. It is also additionally hypothesized that the dinosaurs may have already been in decline due to disease and the impact worsened matters for them.
The Chixilub crater is over 180 kilometers across and makes it the largest confirmed impact feature on Earth. It is estimated that the impactor was about 10km, perhaps a source of confusion for Mr. Turner.
.
It is worth mentioning the hypothesis that the extinction event that did in the dinosaurs might not have been a singular event, there may have been multiple impactors that struck within a few years of each other. One such canidate is the (unconfirmed) Shiva crater in the Indian Ocean. It is also additionally hypothesized that the dinosaurs may have already been in decline due to disease and the impact worsened matters for them.