Grímsvötn is a volcano in South-East Iceland. It is located in the northwestern side of the Vatnajökull ice-cap. The caldera is at 64°25′N 17°20′W, at an elevation of 1,725 m. Grímsvötn lies beneath the Vatnajökull ice cap, which is the largest glacier in Europe (120 km by 90 km by 900 m thick).
We published a book on Iceland and a book on volcanoes:
A) Detay M., Detay A.-M. — Islande - splendeurs et colères d’une île. Belin Ed. 208 p. (2010). ISBN 978-2-7011-5762-7 here
B) Detay M., Detay A.-M. — Volcans - de feu et d'eau. Belin Ed. (2013). ISBN 978-2-7011-7561-4 here
A) Detay M., Detay A.-M. — Islande - splendeurs et colères d’une île. Belin Ed. 208 p. (2010). ISBN 978-2-7011-5762-7 here
B) Detay M., Detay A.-M. — Volcans - de feu et d'eau. Belin Ed. (2013). ISBN 978-2-7011-7561-4 here
We wrote a paper about Iceland and the Grímsvötn:
1) Detay M., Hróarson B. — L’Islande une île extraterrestre, in LAVE, revue de l’association de volcanologie européenne, 195, September 2019, 9-18 (2019). You can download the paper here