The Case for Large Earthquakes Felt in the UK in Historical Times - Historical Seismology: Interdisciplinary Studies of Past and Recent Earthquakes - page 183

Fig. 1 Regional map showing principal geological features referred to. Stippled area marks extent
of major submarine slides. 1: Storegga slide; 2: Afen slide; 3: Approximate position of fault
on north side of Wyville Thompson ridge; 4: Areas of late or post Eocene compression; 5:
Approximate location of edge of continental shelf (incompletely shown). White star: location of
the Hebrides Seamount earthquake of 13 April 1980. Black star: location of earthquake of 17
February 1980