7639 20251013094037.0 CTALK-2025-0095 Van Noten, Koen Seismic Bedrock depth in the UK 2025 2025-10-10 NO Nodal measurements H/V spectral ratio analysis Virtual Borehole UKIArray: Geophysically instrumenting the UK and Ireland, London, UK koen.vannoten@ksb-orb.be https://ras.ac.uk/events-and-meetings/ras-meetings/ukiarray-geophysically-instrumenting-uk-and-ireland Invited CTALKINVI