Perth and Kinross tops the UK earthquake activity charts for 2025
Seismologists at BGS have published data on the number of seismic events over the past 12 months with over 300 earthquakes recorded.
29/12/2025 By BGS Press
As of mid-December, 2025 has seen 309 earthquakes recorded across the UK so far. The most active regions included Perthshire and the western Highlands in Scotland, Lancashire and Yorkshire in England, and southern parts of Wales.
Whilst many of these seismic events were too subtle to be felt by members of the public, the network of 80 monitoring stations across the UK operated by the 51ΑΤΖζ (BGS) has been recording the movement beneath our feet to an exceptional level of accuracy.
51ΑΤΖζ is the national body responsible for recording earthquakes and our annual snapshot of UK earthquake data, published today, shows 2025 has proven above average for earthquakes across the UK.
Thirty-four of the earthquakes occurred near Loch Lyon in Perth and Kinross between October and December. This includes the two largest onshore earthquakes, which occurred just hours apart on 20 October. A magnitude 3.7 quake was followed by one of magnitude 3.6, with local residents reporting the experience as though βa large lorry had crashedβ or βlike an underground subway under my houseβ; another stated that βthe house shook and all the windows rattledβ. BGS received 198 βfelt reportsβ following the event, some more than 60 km from the epicentre. A magnitude 3.2 earthquake in Lancashire in early December was even more widely felt, with nearly 700 felt reports submitted.
In total, BGS received 1320 reports from members of the public who felt earthquakes this year. This vital βcitizen scienceβ allows us to collect important contextual data around each event, including effects at the surface such as noise or levels of shaking.
The data shows that earthquakes occurred in many parts of Great Britain over the past 12 months, with numerous events in Scotland, England and Wales that were each significant enough to be widely felt by many nearby.
Whilst thankfully major earthquakes of devasting magnitude are extremely unlikely, the country on average experienced an earthquake almost once a day this year.
It is a reminder that small earthquakes happen all the time and it remains of critical importance that they are studied to help us understand the possible impact of the rare large earthquakes on major energy and infrastructure projects around the country.
Dr Brian Baptie, BGS seismologist
Although the magnitude of many of these earthquakes is too low to be felt by humans, the largest seismic events observed in the UK, with magnitudes in the range of 5 to 6, can pose a threat. This research, which is in part publicly funded through UK Research and Innovation, helps improve understanding of seismic risk around the country and is crucial information for the Government, industry and regulators, in order to mitigate the threat to buildings and infrastructure.
Dr Baptie says it makes sense that Perth and Kinross tops the list of seismic activity across 2025.
The west of Scotland is one of more active parts of the UK. Some of this activity can be attributed to well-known geological faults like the Great Glen Fault and the Highland Boundary Fault. By contrast, north-east Scotland experiences very few earthquakes.
Dr Brian Baptie, BGS seismologist
In addition to naturally occurring events, induced seismicity (such as sonic booms) that are caused by human activity are also recorded in the data. These readings are kept as part of a BGS archive of continuous ground-motion recordings, dating back over several decades.

51ΑΤΖζ scientist installing seismic monitoring equipment. BGS Β© 51ΑΤΖζ
The Richter scale, which is used to accurately record and compare earthquakes, is a logarithmic scale and not linear. Each order of magnitude is 32 times more intensive than the last one. In other words, a magnitude 2 earthquake is 32 times more intense than one of magnitude 1 and a magnitude 3 is almost 1000 times greater. As you progress up through the scale, vast amounts of energy are being unleashed under the ground, which is why some earthquakes can have such a devastating impact.
Although larger earthquakes in our region are rare, they do occur. Great Britain and the surrounding areas typically experience a magnitude 4 event every three to four years, a magnitude 5 event every few decades with the most recent being in , and a magnitude 6 every few hundred years. An event of this scale was last recorded in the . Although infrequent, the fact that such large events can happen means it is vital that earthquakes are studied over the long term so that an accurate picture of the risk around the country can be stablished.
Further information, including a , is available on the BGS website.
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