Prestwich sinkhole under investigation

A busy junction in Prestwich, Greater Manchester will remain shut for at least two days whilst an investigation and subsequent remedial works are undertaken following yet another sinkhole1 in the town. It is possible the cause is attributed to the areas underlying geology. The district is built on a mixture of sand, gravel, silt and...

Recent sinkhole in Norwich: what could be the cause?

In recent years, the term sinkhole is one that has become ever more common in our media headlines. Defined by the Cambridge Dictionary as “a large hole that suddenly appears in the ground when the surface of the ground is no longer supported”1. They are a menacing phenomenon that continue to cause disruption and damage...

What could be the cause of a recent sinkhole on Seaton beach?

A report of a recent sinkhole on Seaton beach has sparked some local speculation as to whether this collapse could in-fact be related to historical mining activity. A look at our Geographical Information System (GIS) reveals no records of underground mining in the vicinity of this event. That said, there are numerous small surface quarries...

Ground stability hazards around Greater London

London is a particular hotspot for subsidence. A large number of properties in the Greater London area are built on London Clay, which is one of the most shrinkable of soil types as it’s highly susceptible to changes in volume caused by variation in water content1. This is reflected in the deformation of ground by...

The hidden dangers of old mine workings

It was reported1 earlier today, that an unfortunate incident occurred with a farmer sadly being injured after falling into a sinkhole. The description of such hole is reported by the BBC as “a narrow throat, and then there was a large bulbous bottom”. Our mining experts instantly knew this related to an iron ore bell...

China Clay Mining

The St. Austell area in Cornwall is famous for its association with china clay where rich deposits of Kaolin have been mined over the centuries. The mines have been so ingrained into the Cornish economy that pretty much everybody in the local area either worked for companies involved in the china clay industry or had...

The clue is in the name

The maps plans and charts that the specialists at Mining Searches UK (MSUK) consider for mining risk assessments vary widely and can include written documents, plans and sections of underground workings and surface plans, even plans jotted down back of a cigarette packet style. As a result, the information shown on the plans is viewed...