Volkan
It's a monitoring of a few volcanoes from online and available datas. It was originally built for the Piton de la Fournaise, because there was not a dedicated website nor app for it. Installs to your home screen from any modern browser — no app store, no download; its manifest declares standalone display with a 512px icon, and its service worker caches assets for offline use. Submitted by its author and measured on 2026-08-31.
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