Geomagnetic data
Akaigawa graph (minutely data)
Enter mm/dd/yyyy
01
02
03
04
05
06
07
08
09
10
11
12
/
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
/
Push DOWNLOAD Button
Available
01/2001 ～ 06/2021
Definitive data
01/2001 ～ 07/2020
Provisional data
08/2020 ～ 06/2021
Geomagnetic data
MT data
Geomagnetic charts
Aeromagnetic data
Report of geomagnetic survey