Eemian

English Etymology This period was first recognized from boreholes in the area of the city of Amersfoort, Utrecht province, Netherlands, by Pieter Harting (1875). He named the beds "Système Eémien" after the river Eem on which Amersfoort is located. Proper noun 1 en geology The interglacial period lasting from circa 130,000 to 115,000 years ago. en 2018 w:Tim Flannery Europe: A Natural History 152 At the time, temperatures briefly rose to become slightly higher than those of the pre-industrial period, making the Eemian the warmest time in the last million years.