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 Maintenance announcements
Maintenance announcements are posted here. These announcements regard the GDACS web site and the GDACS disaster alert system.
GDACS maintenance policy - Friday, February 14, 2014
To comply with JRC policy on security settings, GDACS servers may go offline on a weekly basis for basic maintenance. The maintenance will be limited to a few minutes around 11:00UTC on Fridays. This affects all GDACS services (including mobile services). JRC is working on a solution to eliminate the downtime. read more ...
Old GDACS system shut down - Friday, November 22, 2013

In June 2013, GDACS was migrated to new servers. The old system was still available as backup under the URL This system has now been shut down. If you have any links pointing to that URL, they will not longer work.

Solved issue with Australian mobile numbers - Tuesday, November 19, 2013

Australian users may have experienced problems with receiving SMS alerts from GDACS in the past months. We noticed a while ago that all SMS traffic to Australian mobile numbers was not processed well by our SMS provider. We’ve since worked with the provider on a solution, which was tested with a few users this week. All traffic to Australian mobile numbers should now be routed correctly.

GDACS Migration - Wednesday, July 17, 2013

The JRC will shortly upgrade hardware and software underlying the GDACS monitoring, alert and public web system. User registration and changes to the alert profile will be unavailable for a short time, but other changes should be transparent. The main changes are:

  • Complete overhaul of the Earthquake and Tsunami system for better performance and with new alert models for tsunamis, support for national sub-systems and for different alert scales
  • Upgrade of the geospatial database system from ArcGIS Server 9.3 to 10, with new features for better maps
  • Migration of hardware from JRC corporate web zone to a dedicated subnet with more flexibility for scaling and deploying new beta products, and reducing the servers from 15 to 8 more powerful ones in a new architecture.

The new system can be previewed on Please let us know if you notice bugs with services you're using, in particular for syndicated feeds. After the switch (which will be announced in a further message), the old system will be available on Please don't hesitate to contact us for further information.

 Your feedback
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         1/7/2013 2:02:58 AM
Error when setting up alerts Dears, when setting up my alerts I get an error page after step 5/5 when confirming the setup. I have a screen dump of the error, if you want it please contact me. Regards, Andreas. Submitted By: Andreas von Weissenberg

         1/4/2013 9:21:28 AM
Use of kml data Hi I just want to know if it is ok to link to your mml regarding alerts? Can't find any restriction on your site, but just need to be sure that I don't do anything wrong. Kind regards Bo Hansen Submitted By: Bo Hansen

         11/30/2012 9:28:58 AM
Daily news letter Hello, Is it possible to have the figures in your report (People affected by "hazard") with spaces? EG. instead of 2500000 to 2 500 000 or 2,500,000 - It is easier to read this way. Thanks Jakes Submitted By: Jakes

         10/26/2012 3:01:15 AM
Graphics map in Daily report message Take a look at the graphic of a map for the following earthquake report in Canada today...basically useless. Have your programs put a date/time stamp, and a latitude/longitude stamp, somewhere on the border of all maps, etc. when they are generated. I sometimes download only the map/graphic from the report for special uses, etc. Submitted By: Ed Montgomery

         10/17/2012 7:17:22 PM
inclusion on the list Hi I am the Emergency and Post Crisis Specialist for IOM in Asia and the Pacific. I cover 56 countries, 27 IOM missions and multiple emergency responses at a time. GDACS is important to my work and I need to be prioritized if possible. Thanks so much Chris Submitted By: chris hoffman

         9/12/2012 11:57:24 AM
disaster management Good Day! I am undac member for Pakistan. these days I am not getting messages from gdacs and usgen and other disaster alerts. Please look int o this where the problem lies and tell me what to do in this case imtiaz mohyudin undac Submitted By: imtiaz mohyudin

         8/28/2012 4:24:56 AM
too many alerts Suddenly I'm receiving 20-30 red alerts per day. I would like to unsubscribe because of this huge amount of email I'm receiving as it's become spam to me. I can't seem to do that, however. The alerts don't have an unsubscribe option and when I try to login I'm told wrong password and when I ask for a new password I'm told I don't have an account. Since I get all these alerts I must have an account but now I can't seem to get out of it. Please advise. Or stop sending alerts for the same event every hour for days preceding the actually emergency. Submitted By: jo jackson

         8/24/2012 1:27:39 AM
where did Bolaven go? Bolaven fell off your storm alerts and the last alert interactive map has Tembin, not Bolaven. Submitted By: Marijane Mader

         8/22/2012 11:57:28 AM
To many columns! Dear GDACS-team, in general your website looks really well organized, but four or even three columns are too much for small screens. Best, FG Submitted By: F. Greil

         7/23/2012 5:45:15 AM
Help Good day sir/madam, we are students in the Philippines. we want to develop a system just like the system you are currently using in GDACS. We are planning to implement it in our city which is Davao City. We would like to ask a few questions if you have the time. We are hoping for your kind consideration. Submitted By: Angelo James