SeisComPBGR2026-04-20T13:51:27.247107ZGerman Regional Seismic Network, BGR Hannover10.25928/mbx6-hr7454.1867417.91421320Helgoland dune N2017-07-12T14:00:00Z54.1867417.914213200900100100104774130001M/SVelocity in Meters Per Second54.1867417.91421320000100100104774130001M/SVelocity in Meters Per Second54.1867417.9142132000-90100100104774130001M/SVelocity in Meters Per Second