Geological Survey Ireland

Geological Survey Ireland Geological Survey Ireland is part of the Department of Climate, Energy and the Environment.

30/04/2026

Minister Darragh O’Brien has secured approval for the completion of the INFOMAR (Integrated Mapping for the Sustainable Development of Ireland’s Marine Resource) programme.

INFOMAR, a joint venture between Geological Survey Ireland (GSI) and the Marine Institute, aims to map of all of Ireland’s offshore territory – an area that is 10 times the size of Ireland's landmass, at just under 1 million square kilometres.

Find out more here: https://www.gov.ie/en/department-of-climate-energy-and-the-environment/press-releases/minister-obrien-secures-government-approval-for-completion-of-ambitious-programme-to-map-all-of-irelands-offshore-territory/

26/08/2025

⏳ Less than a week to go! Have you found a fossil? Submit it to the Great Irish Fossil Hunt before 5pm this Sunday, August 31st!

📍 Don’t miss your chance to put your area on Ireland’s official fossil map — get involved before it’s too late!

Geological Survey Ireland image for August is Benbulben, Co. Sligo. Carboniferous age sandstone, shale, and limestone ro...
11/08/2025

Geological Survey Ireland image for August is Benbulben, Co. Sligo. Carboniferous age sandstone, shale, and limestone rocks, which are over 300 million years old, were shaped by ice over the last 2.6 million years.

Photo by Una Dixon

08/08/2025

We are very happy to let you know that we are coming back online.

Geological Survey Ireland Spatial Resources : (Copy & Paste into your browser) https://dcenr.maps.arcgis.com/apps/MapSeries/index.html?appid=a30af518e87a4c0ab2fbde2aaac3c228

INFOMAR Marine Data Download Portal : (Copy & Paste into your browser? https://experience.arcgis.com/experience/3f2815ec89e745d2b65630429d06385c/

The Geological Survey website will remain offline for some time to come. A replacement for the Data & Maps page, from which data & reports can be downloaded, will be published soon.

Thanks for your patience on this over the last few weeks.

05/08/2025

Notice: Geological Survey Ireland website and related services are not currently available.

Urgent and important upgrades are ongoing on our IT infrastructure and we have been advised to expect the Geological Survey Ireland viewers back online in the week beginning 11 August.

Apologies for any inconvenience caused.

The M8.8 Earthquake as recorded on various seismometers around Ireland. Seismometers placed in schools and other public ...
30/07/2025

The M8.8 Earthquake as recorded on various seismometers around Ireland. Seismometers placed in schools and other public buildings as part of the QuakeShake project run by DIAS and Geological Survey Ireland.

Geological Survey Ireland image for July is St John’s Point, Co Donegal. Lighthouse and Éire 70 sign on Carboniferous ca...
04/07/2025

Geological Survey Ireland image for July is St John’s Point, Co Donegal. Lighthouse and Éire 70 sign on Carboniferous calcareous sandstone and sandy oolite of the Muckros Sandstone Formation.
Photo by Aloke Tiwary

May’s image of the month for Geological Survey Ireland, Department of the Environment, Climate and Communications is of ...
01/05/2025

May’s image of the month for Geological Survey Ireland, Department of the Environment, Climate and Communications is of the Burren, Co Clare.

Burren or boíreann in Irish means rock, rocky country, or karst. It is internationally known for its limestone pavement and associated flora and fauna.

Photo by Pawel Zygmunt.

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Block 1, Booterstown Hall, Booterstown Avenue, Booterstown
Blackrock
A94N2R6

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+353879600606

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