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Category Archives: Recent Local Earthquake

2017-08-02, M1.5 Donegal

On the 2nd August at 05:46 UTC (06:46 local time) an earthquake of magnitude 1.5 occurred in Donegal (NE of Milford on the Fanad Peninsula). Location 55.11N, 7.59W, see figure below.

There are reports of this event having been felt in the area around Milford. Events of this nature are not uncommon in this region. The largest event recorded in this area was a magnitude 2.2 which occurred near Clonmany on 21st November 1994.

The event was recorded at stations of the Irish National Seismic Network (INSN) and the BGS, see seismic traces below.

2017-05-18, M1.3 Irish Sea

An earthquake with magnitude ML 1.3 occurred on the 18th May 2017 at 23:04:12 UTC in the Irish Sea. The epicentral location of this event is 53.05N, 5.49 W, about 40km off the Wicklow coast, see map below.

The earthquake was detected by seismic stations of the Irish National Seismic Network (INSN) and the British Geological Survey (BGS), see seismograms below.

The epicentre is close to the location where a similar earthquake with magnitude ML 0.9 occurred on the 10th March 2017, see here for more information. Real-time information of automatic INSN event detections can be accessed  on the INSN homepage at https://www.insn.ie/events.

2017-03-10, M0.9 Irish Sea

On the 10th March 2017 at 05:06:25 UTC an earthquake of magnitude ML 0.9 occurred in the Irish Sea, approximately 50km off the coast of Wicklow, with the epicentral location 53.04N, 5.51W, see map below.

The event was recorded at Irish National Seismic Network (INSN) stations and at several British Geological Survey (BGS) stations in Wales and the Isle of Man, see seismograms below.

This earthquake was too weak to be felt by humans and occurred in a region of the Irish Sea for which several events have been detected in the past, see map on this INSN page.

Live Seismograms
All stations here
Filtered versions here
DSB - Dublin
VAL - Kerry