Common Alerting Protocol Implementation

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What is CAP?

With CAP, emergency alerting is more available, precise, reliable, secure, and faster than ever.

The Common Alerting Protocol (CAP), is a standard business forum for emergency alerting. CAP, as it was designated by the International Telecommunication Union (ITU) Recommendation X.1303, is broadly recognized internationally as the key standard for societies to achieve all-hazards, all-media public alerting for emergencies.
Big emergencies involve massive numbers of people, who get a lot of information in different ways. However, all of them should get the key facts of the emergency in the same way.
For example:
  • What is the event?
  • What should people do?
  • Where is the alerting area?
  • How soon is it coming?
  • How bad will it be? How sure are the experts? 
These key facts are carried in the elements of a CAP message format.
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What are the CAP elements?

Every CAP message has elements to identify the current emergency alert. Check the elements, values, and categories that are part of these messages

Local or International Meteorological and Seismology Institution. It should include an email address to contact in case of more information and clarifications.

How does it work?

The CAP uses XML digital standard format for exchanging emergency alerts that allow a consistent alert message to be disseminated simultaneously over many different communication systems

The CAP uses XML digital standard format for exchanging emergency alerts that allow a consistent alert message to be disseminated simultaneously over many different communication systems. The XML-based data format (in computing Extensible Markup Language) allows being processed by software and networks worldwide. When the key messages are carried in the CAP message format the emergency alert is suddenly far more accessible.

Watch an example on how to use the Common Alerting Protocol in a simple way through the Hazards App developed by the Global Disaster Preparedness Center based on the Public Awareness and Public Education (PAPE) key messages, a guide published by the International Federation of the Red Cross Red Crescent Societies for disaster risk reduction.

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How to be involved? Workshops!

CAP Implementation Workshops provide a forum for implementers of CAP and associated organizations to discuss how best to expand adoption of the CAP standard and to share practices among users of the standard. There is no charge to participate and anyone interested in emergency alerting is welcome: managers, technical staff, media, etc., including commercial organizations, governments, and non-governmental organizations.

CAP Workshop 2022 – Report

The 2022 CAP Implementation Workshop and Training was held on 19-21 September in Amsterdam, Netherlands. ...
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Common Alerting Protocol – RCRC Workshop – 07 October 2021

Common Alerting Protocol Workshop 2021 for Red Cross Red Crescent (RCRC) October 7th, 2021, the ...
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Common Alerting Protocol Implementation Workshop 2021 – Participant Materials

The 2021 Common Alerting Protocol (CAP) Implementation Workshop will be 13-14 October, 2021. The Workshop ...
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Common Alerting Protocol – Workshop 2020

The 2020 Common Alerting Protocol (CAP) Implementation Workshop will be 29-30 September, 12:30-17:30 CEST. It ...
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Common Alerting Protocol – Workshop 2019

The 2019 Common Alerting Protocol (CAP) Implementation Workshop was held 17- 18 October, in Mexico City, ...
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Common Alerting Protocol – Workshop 2018

The 2018 CAP Implementation Workshop was held 31 October - 1 November, in Hong Kong, China. ...
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Previous Workshops: 

  • 2017: CAP Workshop Rome, Italy. September 20 - 21, 2017. More
  • 2016: CAP Workshop Bangkok, Thailand. August 23- 24, 2016. More
  • 2015: CAP Workshop Rome, Italy. September 23 - 24, 2015. More
  • 2014: CAP Workshop Negombo, Sri Lanka. June 17 - 18, 2014. More
  • 2013: CAP Workshop Geneva, Switzerland. April 23 - 24, 2013. More
  • 2012: CAP Workshop Montreal, Canada. May 1 - 3, 2012. More
  • 2011: CAP Workshop 2011 Geneva, Switzerland. April 6 - 7, 2011. More
  • 2009: CAP Workshop 2009 Geneva, Switzerland. June 22 - 23, 2009. More
  • 2008: CAP Workshop 2008 Geneva, Switzerland. December 9 - 10, 2008. More
  • 2006: CAP Workshop 2006 Geneva, Switzerland. October 19 - 20, 2006. More

Contact us:

For more information, please contact Elliot Christian, Program Committee Chair.

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