-> 2007 -> Earthquake on Jura also felt on Islay

Tuesday, 25/Sep/2007

Earthquake on Jura also felt on Islay

Almost a year ago I mentioned Islay and earthquakes, at that time it was a tremor in the Islay province in Peru. Back then I wrote that I had been told about geological faults and a minor earthquake on Colonsay, meaning earthquakes can sometimes be felt in the area around Islay, Jura and Colonsay. Last week there was an earthquake felt closer to home:

It happened Monday last week, but it took me a while to find the right information on a public site on the web. An earthquake of 3.0 magnitude happened on 17/Sep/2007 at 19:35hrs in the south of the Isle of Jura. Some further information from the British Geological Survey (BGS) UK Earthquake Alerts page:

BGS have detected an earthquake at 19:35 UTC on 17 September 2007 located on the southern tip of the Isle of Jura, Argyll, approximately 4.0 km southwest of the settlement of Craighouse. BGS have received information from the local media of reports that this event was felt on the Isle of Islay and on southern Jura. This earthquake is located approximately 28 km south of a magnitude 3.5 ML event detected on 3 May 1998.

The BGS also provide a PDF with seismograms of the earthquake and information of previous tremors in the area. Quite interesting information, I hadn't thought there were so many. Most of them are not noticable for humans, from what I hear even this one wasn't felt by everyone. I'm not aware of any damage and doubt there was any.

The reason for these tremors as far as I understand is that Islay, Jura and Colonsay are towards the southern end of the Great Glen Fault. See also the Overview of Great Glen Fault in the Gazetteer for Scotland.

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