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Geomagnetic Field Data Files

Notice

The Kakioka Magnetic Observatory, Japan Meteorological Agency (KMO-JMA) provides the following data for the benefit of the international scientific community. Commercial use and redistribution are prohibited. If the data are used in publications, presentations etc., KMO-JMA should be acknowledged properly.


Data File Request

Geomagnetic field data observed at Kakioka, Memambetsu, Kanoya and Chichijima can be requested here. The available data interval types are hourly, 1-minute and 1-second. Data are recorded in IAGA-2002x format and stored in zip files for each month.

Select the observatory, data interval type, year and month for your data file request.

Observatory
Data interval type
Year
Month
E-mail address (Required -- used for data service only)