Fig. 1: Maps of the Campi Flegrei caldera structures and location of the MT measurement sites. | Communications Earth & Environment

Fig. 1: Maps of the Campi Flegrei caldera structures and location of the MT measurement sites.

From: 3D magnetotelluric imaging of a transcrustal magma system beneath the Campi Flegrei caldera, southern Italy

Fig. 1

a Simplified volcanological map of Campi Flegrei caldera showing the major collapse structures and crater rims (after Isaia et al.89,). b Aerial photograph map of the investigated area, showing the positions of the 42 on-shore magnetotelluric sites (green and yellow circles) and the 6 off-shore geomagnetic sites (pink circles) where the MT measurements were taken; Image © 2025 Airbus © 2023 Google.

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