Main content | Navigation bar | Inside menu | Footer


Back to Top

You are Here: Home \ Geomagnetic Observatories \ Duronia magnetic Observatory (CB)

Back to Top


Duronia magnetic Observatory (CB)

Latitude: 41° 39’ N, Longitude: 14° 28’ E - 918m a.s.l.

The Geomagnetic Observatory of Duronia born in late 2007 as a monitoring station in the electromagnetic environment of the European Project MEM (Magnetic and Electric fields Monitoring).
After the earthquake in L’Aquila in 2009, the Duronia station was radically transformed and become a standard Geomagnetic Observatory, from July 1, 2010 in addition to normal activities began the execution of the absolute measurements twice a week (using a DIM - Declination Inclination Magnetometer and a resolution of 1 second of arc), and the preparation of the yearbook. The decision to transform the Duronia station in the observatory was taken after the earthquake of 2009 to replace the geomagnetic observatory of L’Aquila in the transition phase following the earthquake. 
The choice of Duronia was made essentially according to its geographic location. The site is located in a privileged location in relation to railways and later than the more industrialized and more populated areas of central Italy. Duronia is at the center of a quadrangle on the perimeter of which run the two main rail arteries: the Rome-Naples-Foggia and Pescara, then there are the other two secondary lines: the line Naples-Benevento-Foggia and Rome-Avezzano-Pescara which close the quadrangle. The minimum distance from the railway line is about 50 km. Moreover Duronia is in an area with very low anthropogenic where industrial activities are almost entirely absent.


The variation of the geomagnetic field components X, Y and Z are measured simultaneously by two indipendent triaxial fluxgate magnetometers, one of which uses proton precession. The total intensity of the magnetic field is measured by an Overhauser scalar magnetometer. Finally, there are also three “search coil”magnetometers in the observatory, which measure the magnetic field variations on three different frequency bands: the ULF band (between 0.001 Hz and 100 Hz); the ELF band (between 100 Hz and 3 kHz) and finally the VLF band (between 3 kHz and 30 kHz).

IAGA code: DUR
Geographic coord: 41° 39’ N - 14° 28’ E
Geomagnetic coord.: 35° 04’ N - 88° 01’ E
Elevation: 918m a.s.l.
L-Shell: 1.5
6 pT √Hz, frequency band 0.1 Hz - 0.5 Hz.
80 fT √Hz, frequency band 0.5 Hz - 5 Hz.
110 fT √Hz, frequency band 5 Hz - 40 Hz.
Corrected geomagnetic coordinates are estimated for the epoch 2007.0 by the routine available at the NASA CCMD website.



Back to Top