ETH News
All stories by Michèle Marti and Felix Würsten
Seismology in the service of peace
News
![Seismology](/en/news-and-events/eth-news/news/2019/11/seismology-in-the-service-of-peace/_jcr_content/pageimages/imageSmall.imageformat.contentteaser.459173498.jpg)
Twenty years ago, Switzerland ratified the Comprehensive Nuclear-Test-Ban Treaty. This important agreement is based on a sophisticated network that makes it possible to monitor compliance with the treaty.