The asteroid struck the seabed, creating a significant geological feature.
New seismic imaging techniques have provided clarity on the crater's origin.
The impact is believed to have triggered a tsunami reaching heights of 330 feet.
Briefing: A massive asteroid hit the North Sea and triggered a 330-foot tsunami
Strategic angle: Scientists confirm the Silverpit Crater was formed by a 160-meter asteroid impact 43–46 million years ago.