
New research confirms that the Silverpit Crater beneath the North Sea was formed by an asteroid impact about 43 to 46 million years ago. The roughly 160-metre-wide asteroid struck the seabed at a shallow angle, creating a crater nearly 3 kilometres wide and triggering a tsunami over 100 metres high. This finding resolves a 20-year debate that previously considered geological salt movement as an alternative cause. Evidence includes seismic imaging and shock-deformed minerals found in nearby rock samples.
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