Bob Holdsworth
We use cookies to ensure that we give you the best experience on our website. You can change your cookie settings at any time. Otherwise, we'll assume you're OK to continue. Welsh earthquake could be result of historic ice sheet melt The Welsh earthquake was probably caused by weak plate tectonic forces and slow movement of the earth's crust following the melting of ice sheets thousands of years ago. The earthquake, centred around the Lleyn Peninsula, had a 3.8 magnitude tremor and struck at 4.15am today the British Geological Survey (BGS) confirmed. Bob Holdsworth, Professor of Structural Geology at Durham University's Department of Earth Sciences said: "Compared to areas of the world located at major plate boundaries such as the west coast of America and the Himalayas, the British Isles are relatively untroubled by major destructive earthquakes. "Yet there is puzzling and persistent recent history of smaller-scale seismic events, the origins of which remain enigmatic.
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