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Analysis of the Harrington Sinkhole, Cumbria

On the 4th January 2018, a 1.2m deep, 0.6m wide ‘’sinkhole’’ opened next to the Whitehaven – Workington railway line, near the coastal village of Harrington in Cumbria. For fears of the hole expanding and damaging the rail line, services were delayed in order to complete emergency repairs and infill the void. Initial observations have led rail engineers to speculate that a collapsed drain or coastal erosion accelerated by Storm Eleanor are the cause of the collapse. However, the correlation with known mine entries and collapses along the railway line have prompted Terrafirma to research further to see if past coal extraction may in fact be the cause.

2017: A Year in Review

As the year rapidly draws to a close, at Terrafirma, we thought we would summarise this amazing year, including providing a top 5 of our #WhatLiesBeneath blog and our key 2017 events.

2017 has been a year of change at Terrafirma. Time and resource was invested in the Terrafirma brand, sales, marketing and educational material – creating a recognisable and professional brand identity for the first time, embodied by our new website terrafirmasearch.co.uk and our tagline ‘understand the ground’.

In 2017, Terrafirma provided over 250 hours of training, workshop and Continued Professional Development for professionals across the UK. We have also focussed our academic projects on exploring the hidden hazards that the ground can pose – including an industry-first analysis of sinkholes in the UK. This analysis cumulated in late November with a three-part documentary series exploring Sinkholes, on Channel 5. Terrafirma were heavily involved in the research and production material for the series and Terrafirma CEO, Tom Backhouse, co-hosted an episode investigating the impact of mining sinkholes on people, property and investment across the UK and the world.

As we look back on this exciting year and our mission to continually educate professionals and the public to the risks that the ground poses we have picked out our top five events and the top five ‘What lies Beneath’ blog posts: