Japanese  Memambetsu  Kanoya  Contact Us

• Site map

Geomagnetic secular variation

Shown here are temporal changes in annual means from the beginning of observation at the Kakioka, Memambetsu and Kanoya and Chichijima stations.

Plots and numerical data sorted by season, quiet days and disturbance days are available here:
Annual means

Secular variation in declination (D)

Secular variation in horizontal components (H)

Secular variation in vertical components (Z)

Secular variation in total magnetic force (F)