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Terms and conditions


This website is published by the Institut de physique du globe de Paris (IPGP), a major institution of higher education and research, whose head office is located at 1, rue Jussieu – 75238 Paris cedex 05.

Phone number: +33 (0)1 83 95 74 00

Director of the publication

Marc Chaussidon, IPGP Director

Web hosting

IT department of the IPGP

Content management

The texts, pictures and other contents of this website are managed by the communication department of the IPGP.

Responsability clause

The information available on this website is provided as a service to the public. Despite all the care taken in transcribing official texts and verifying content and information, the elements put on line cannot, in any way whatsoever, claim to be accurate or exhaustive and cannot engage the responsibility of the IPGP.

The information and documents available on this website may be modified at any time and may be updated.

The IPGP cannot be held responsible for any damage of any kind resulting from the interpretation or use of the information and documents available on this website.

Intellectual property and copyright

In accordance with public intellectual property law, and in particular Article L122-5 of the Intellectual Property Code, “official documents” are freely reusable:

  • statements, speeches, press kits and press releases
  • circulars, directives and other regulatory documents.

However, it is good practice to mention clearly the source of the content, and if necessary with a link to the original document online at

All other content on this website is covered by copyright. Any reuse is therefore subject to the author’s agreement under Article L.122-4 of the Intellectual Property Code.

Non-commercial re-use is authorised, particularly in an educational context, on condition that the integrity of the information is respected and that the meaning, scope and application of the information are not altered and that the origin and date of publication are specified.

The information may not be used for commercial or promotional purposes without the express authorisation of and a licence for the re-use of public information. Commercial or promotional re-use is considered to be the creation of a product or service from the public information that is intended to be made available to third parties, whether free of charge or for a fee.

The photographs presented on this website are not free of rights and cannot be reused without the explicit authorisation of their author.

Requests for authorisation to use content should be sent by e-mail to the teams in charge of the website via the contact form:

Protection and processing of personal data

Compliance with applicable laws

The website respects the privacy of the Internet user and complies strictly with the laws in force on the protection of privacy and individual liberties. No personal information is collected without the user’s knowledge, nor is it given to third parties. Emails are not exploited in any way and are only kept for the time necessary to process them.

Internet users’ rights: right of access and rectification

In accordance with the provisions of law n°78-17 of 6 January 1978 relating to data processing, files and freedoms, Internet users have the right to access, modify, rectify and delete data concerning them. This right can be exercised by writing to the following address:


When you visit, cookies are placed on your computer, mobile phone or tablet.

The only cookies used by the site are those intended for audience measurement and do not collect personal data. The audience measurement tools are deployed in order to obtain information on the navigation of visitors. In particular, they make it possible to understand how users arrive on a website and to reconstruct their path. This website uses the free and open source Matomo statistics software.

What is a cookie?

A cookie is a text file deposited on your computer when you visit a website or view an advertisement. Its purpose is to collect information relating to your browsing and to send you services adapted to your terminal (computer, mobile or tablet). Cookies are managed by your internet browser.

You can choose to deactivate these cookies at any time. Your browser can also be set to notify you of cookies that are placed on your computer and ask you to accept them or not. You can accept or refuse cookies on a case-by-case basis or refuse them systematically.