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Earthquakes in Ireland.
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20-03-2014 12:52pm#1An earthquake of magnitude 2.5 was recorded off the Wexford coast on the 18th of March (see here).
On December 4th 2013, an earthquake of 2.6 was recorded off the Cork coast. The Irish National Seismic Network states that the norm for Ireland is around 1.5 - 1.8. These are classed as minor events on the Richter scale - often felt but no damage occurs. The largest recorded earthquake in the Irish Sea occurred close to the Welsh coast on the 19th of July, 1984 and had a magnitude of 5.4. This event was classed as moderate on the Richter scale - felt by everyone/poorly constructed structures may suffer some damage.For comparison, the earthquake that caused the devastating Indonesian tsunami was magnitude 9.0. - the fourth largest since 1900.
Are we witnessing increased seismic activity, especially in the Irish Sea?
The image below charts seismic events recorded from 1980 and is from the Irish National Seismic Network.
See here too for some interesting spatial data.
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