Current Disruptions to IERS Online Services
27 Oct 2026
The servers datacenter.iers.org and
uc.iers.org, as well as certain sections of the IERS website
(www.iers.org) are currently experiencing accessibility issues.
If you are unable to access IERS data and products through the usual
channels, please use the following alternative servers:
Earth Orientation Parameters (EOP):
- ftp://hpiers.obspm.fr/iers/eop/
- hpiers.obspm.fr/eop-pc/index.php (currently also unavailable)
Rapid EOP Data and Predictions:
- https://maia.usno.navy.mil/
- https://maia.usno.navy.mil/products/daily.htm
- https://maia.usno.navy.mil/products/bulletin-a
Global Geophysical Fluids Data:
- http://loading.eost.unistra.fr/GGFC/
- http://loading.eost.unistra.fr/GGFC/opera.php
Login and Subscription Management
Online registration, login, and subscription management are also
currently unavailable. If you wish to register as a new user, update
your contact details, subscribe to or unsubscribe from IERS
publications, or delete your account, please contact the IERS Central
Bureau at central_bureau@iers.org.
At present, we are unable to provide an estimated timeframe for the
restoration of the affected services.
We apologize for any inconvenience.
