Geophysical researches (gravity and magnetic) of the Eratosthenes Seamount in the eastern Mediterranean Sea


ACTA GEOPHYSICA, vol.62, no.4, pp.762-784, 2014 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 62 Issue: 4
  • Publication Date: 2014
  • Doi Number: 10.2478/s11600-013-0185-2
  • Journal Name: ACTA GEOPHYSICA
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.762-784
  • Süleyman Demirel University Affiliated: Yes


New free-air gravity and magnetic maps of the Eratosthenes Seamount and its vicinity were regenerated from potential field data. Stages of data processing are power spectrum, upward continuation, filtering on the free-air gravity anomaly data. RTP, pseudo-gravity transformation map, power spectrum, upward continuation, filtering, AS, and HGAS were applied on the magnetic data. A HGAS map shows the images and locations of the Eratosthenes magnetic body. Spectral analysis of the gravity and magnetic anomalies indicates that there is an elliptical elongated structure of the Eratosthenes Seamount in the width of approx. 86 km NW-SE orientation and in the length of 138 km NE-SW orientation, with a strike of N40A degrees E and inclined to NW. It is considered that 22.49 +/- 0.08 km obtained from power spectrum of the gravity data may be related to the crust thickness. Also, 15.67 +/- 0.02 km obtained from power spectrum of the magnetic data is considered to be related to the magmatic basement of the Eratosthenes Seamount.