Ireland’s first underground seismic station to detect earthquakes in Ireland and beyond


11 earthquakes have been detected on and around the Irish coast since the start of the year.

earthquake fans; this news will leave you shaken.

A new seismic station 60 meters underground has been installed in Tipperary.

The station is located in Mitchelstown Cave and is operated by staff from the Dublin Institute for Advanced Studies (DIAS) Irish National Seismic Network (INSN).

Mitchelstown station is the ninth in the country as a whole, but the first to be underground.

Since its installation in May, the station has already detected earthquakes in southern Peru and Fiji.

“The addition of the new seismic station at Mitchelstown Cave will greatly contribute to our understanding of what lies beneath Ireland and the structure of the Earth as a whole,” said Dr Martin Möllhoff, Director of Seismic Networks at DIAS.

“We have received additional funding from Geological Survey Ireland with the aim of doubling the number of permanent seismic monitoring stations to 12 and we are delighted to start making this a reality.

“Since the start of 2022, we have detected 11 earthquakes on and around our coasts – all of this information is fed back to our data center at DIAS, allowing us to understand the world below us.

“Most people think there are no earthquakes in Ireland, but there are actually smaller earthquakes happening all the time. It is important that we are aware that even if we don’t feel it, the world moves slowly beneath us all the time.”

The most recent earthquake in Ireland was detected on Monday July 25, when a magnitude 0.9 earthquake struck at 2.35am in North Donegal.

“Having a seismic station located deep underground in the peaceful Galtee-Vee Valley provides us with a unique opportunity to collect high-quality data that is unaffected by human activity, such as construction sites and road and rail traffic,” said Professor Chris Bean, Head of Geophysics at DIAS.

“This allows us to detect Ireland’s smallest earthquakes on our seismic network and better understand the forces at play below our feet.”

Featured Image: Michael O’Sullivan/DIAS

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