Abstract
Abstract. The island of Ireland is battered by waves from all sides, most ferociously on the west coast as the first port of call for waves travelling across the Atlantic Ocean. However, when discussing ocean events relevant to the nation of Ireland, one must actually consider its significantly larger designated continental shelf, which is one of the largest seabed territories in Europe. With this expanded definition, it is not surprising that Ireland has been subject to many oceanic events which could be designated as "extreme"; in this paper we present what we believe to be the first catalogue of such events, dating as far back as the turn of the last ice age.
Highlights
The study of extreme wave events on the ocean is a tory of large ocean wavesDaandtacuSrryensttseomn sthe oceans surrounding Ireland as well as on its coast
Several reviews of observa- described in the rest of tHhisypdarpoerl.ogy and tional ocean events which could be classed as extreme have appeared in the literature
We use the Before Present (BP) timescale, as is common in archaeology and geology, to specify when events in the past occurred, and we adopt the standard practice to use 1 January 1950 as the origin of the age scale
Summary
3.2.1 14 680 BP: the Barra Fan and Peach Slide, off north-west coast of Ireland [T1]. A large underwater landslide, called the Peach Slide, took place on the Barra Fan, about 250 km off the north-west coast of Ireland (see Fig. 1 for location). The Storegga Slide is one of the world’s largest known submarine landslides and occurred off the west coast of Norway generating a huge tsunami (see Fig. 8). Recent studies such as that from Bryn et al (2005) estimate that the slide removed between 2500 and 3500 km of sediment from the slide scar approximately 8200 yr BP.
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