The North Sea had been encroaching into Doggerland for centuries before the Storegga tsunamis

9,000 years ago

North Sea

Doggerland

(submerged)

UK

Mainland Europe

Land extent 1,000

years earlier

Dogger Island

now Dogger Bank

8,200 years ago Time of the Storegga slide

100km

North Sea

100 miles

UK

Mainland Europe

Tsunamis swept up

to 25 miles inland

Sedimentary evidence for

the flood was found here

9,000 years ago

8,200 years ago Time of the Storegga slide

100km

North Sea

North Sea

100 miles

Doggerland

(submerged)

UK

Mainland Europe

UK

Mainland Europe

Tsunamis swept up

to 25 miles inland

Sedimentary evidence for

the flood was found here

Land extent 1,000

years earlier

Dogger Island

now Dogger Bank