What caused the recent earthquakes in Perthshire, Scotland?

The seismic activity in Perthshire is largely attributed to glacial rebound and tectonic stresses from the Atlantic Ocean's expansion and the northward push of Africa into Europe.

How strong were the earthquakes that hit Perthshire on October 20, 2025?

The earthquakes ranged in magnitude from 1.2 to 3.3, with the strongest quake measuring 3.3 on the Richter scale.

How did the Perthshire residents react to the earthquake swarm?

Residents reported being woken by light shaking in their homes, with some hearing a "low rumbling sound" and doors rattling. Some initially thought an explosion had occurred, and others reported homes shaking with furniture moving and doors rattling.

Home / Disasters and Accidents / Perthshire Rocked by Rare Earthquake Swarm, Leaving Residents Rattled

Perthshire Rocked by Rare Earthquake Swarm, Leaving Residents Rattled

20 Oct, 2025

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Summary

Three earthquakes hit Perthshire, Scotland within 17 minutes
Tremors measured up to 3.3 magnitude, causing light shaking and rattling
Seismic activity in Scotland attributed to glacial rebound and tectonic stresses

Perthshire Rocked by Rare Earthquake Swarm, Leaving Residents Rattled

On the morning of October 20, 2025, the Perthshire region of Scotland was hit by a rare earthquake swarm, with three tremors striking within just 17 minutes. The first quake, measuring 3.3 magnitude, struck the hamlet of Pubil at 7:25 am, according to the British Geological Survey. This was followed by a 1.4 magnitude tremor at 7:31 am and a 1.2 magnitude quake 11 minutes later.

Residents reported being woken by light shaking in their homes, with some hearing a "low rumbling sound" and doors rattling. Observers living up to 50 miles away also reported very weak shaking, highlighting the unusual reach of the initial tremor.

Eyewitnesses described their confusion, with some initially thinking an explosion had occurred. Others reported homes shaking, with furniture moving and doors rattling as the tremors continued.