Dst Index

The Dst index was proposed by Sugiura [1964] to measure the magnitude of the current which produces the axially symmetric disturbance field. It is derived from geomagnetic field variations in the H component measured at 4 stations at low latitude.

Data Citation
Citation: World Data Center for Geomagnetism, Kyoto, M. Nose, T. Iyemori, M. Sugiura, T. Kamei (2015), Geomagnetic Dst index, doi:10.17593/14515-74000
General Characteristics
Parameters: Geomagnetic index
Processing level: Final
Temporal resolution: 1 hour
Start date: 1957-01-01T00:00:00
Stop date: 1 hour, before Present
Observatory Location
Observatory: Kakioka
Latitude: 36.23°
Longitude: 140.19°
Observatory: Honolulu
Latitude: 21.32°
Longitude: 202.00°
Observatory: San Juan
Latitude: 18.11°
Longitude: 293.85°
Observatory: Hermanus
Latitude: -34.43°
Longitude: 19.23°
(Note: Latitudes and longitudes are expressed in decimal degrees. Eastern longitudes and Northern latitudes are positive.)
Citation & Contact Information
Acknowledgements: Please cite with doi when and where appropriate. Also please acknowledge the geomagnetic observatories (Kakioka, Honolulu, San Juan, and Hermanus). The provisonal and realtime values are subject to change; thus please use the updated values.
Contact Persons: Masahito Nose(orcid:0000-0002-2789-3588), Masahisa Sugiura, Toyohisa Kamei, Toshihiko Iyemori, Yukinobu Koyama(orcid:0000-0001-5363-3870)
Final Dst Index: http://wdc.kugi.kyoto-u.ac.jp/dst_final/index.html
Data files and plots can be downloaded from this link.
Provisional Dst Index: http://wdc.kugi.kyoto-u.ac.jp/dst_provisional/index.html
Data files and plots can be downloaded from this link.
Realtime Dst Index: http://wdc.kugi.kyoto-u.ac.jp/dst_realtime/index.html
Data files and plots can be downloaded from this link.
Derivation Scheme of Dst index: http://wdc.kugi.kyoto-u.ac.jp/dstdir/dst2/onDstindex.html
Description in the IAGA Bulletin No. 40 published by Sugiura and Kamei [1991].
DOI: 10.17593/14515-74000
Digital Object Identifier
How to Cite Datasets: http://www.dcc.ac.uk/resources/how-guides/cite-datasets
Ball, A. and M. Duke [2011], How to cite datasets and link to publications, DCC How-to Guides, Edinburgh: Digital Curation Centre.
Provider Version
Update History