IGES Institute of Geophysics and
Engineering Seismology after A. Nazarov
Monitoring

Gyulagarak geomagnetic observatory

gyulagarak-variometer

Geomagnetic observatory · IAGA code GLK

Listening to the Earth’s magnetic field

In the forest of Gyulagarak, Lori region, the institute records the Earth’s magnetic field without a break. The observatory was completed in September 2020, meets INTERMAGNET standards and publishes its data openly.

2020observatory completed
GLKIAGA observatory code
0iron parts in the pavilion
Open data · DOI 10.2205/GLK2020
The variometer under a glass dome on a glass-block pillar
The variometer
Inside the variometer pavilion: wooden lining and two instrument pillars
The variometer pavilion
Illustration: the Earth’s magnetic field

Why it matters

Magnetic storms reach the ground

The observatory records magnetic storms that affect everyday technology.

Radio communication
Satellite navigation
Power lines
Pipelines

How the pavilion is built

A building without iron

A magnetic observatory must contain no iron at all. For its non-magnetic pavilions the institute developed its own composite fibreglass materials.

The fibreglass frame of the pavilion
01Fibreglass frameFrame, floor supports and fittings are made of the institute’s own composite.
Instrument pillars inside the pavilion
02Wooden wallsThe walls are lined with wood.
A glass plate on top of a pillar
03Glass pillarsInstrument pillars of glass blocks, topped with glass plates.
The azimuth mark in the forest
04True northA reference mark in the forest checks the direction of true north.
The non-magnetic pavilion among the trees
The pavilion in the Gyulagarak forest

Find the observatory

Address
Gyulagarak, Lori region, Armenia
IAGA code
GLK
The story of the observatory →All open data →

Magnetic field data

One-minute records of the magnetic field at GLK are sent to the INTERMAGNET data centre as they are measured. Plot the last day, week or month, or download the data.

Plot GLK data ↗Download GLK data ↗