#A017 [eew] CysTerra
Project #A017 [eew] CysTerra is an application that displays information related to earthquakes.
This page contains detailed information about the project. See also the presentational page.
Name
- CysTerra
- Formal project name.
- Cys + Terra
- Pronunciation: /saɪ̯sˈtɛɹə/, /ˈsaɪ̯stɛɹə/
- Cys
- From seism. Derivation inspired from Cryville.
- Terra
- From Latin terra ("land").
- cys
- De facto community abbreviation. (Unofficial)
- Clipping of CysTerra.
Cryville EEW- Former project name.
Features
CysTerra fetches information related to earthquakes, tsunamis, volcanoes, etc. from various event sources, and combines them into a unified interface with text description, map representation, and text-to-speech output. Supported event sources are as follows.
- Atom feed of earthquake and volcano disaster prevention information from Japan Meteorological Agency
- Central Weather Administration (Taiwan) Open Data
- Meteorology, Climatology, and Geophysical Agency (Indonesia) Open Earthquake Data
- GeoNet API
- FAN Studio API
- NowQuake CENC intensity information API
- Wolfx disaster prevention API
- United States Geological Survey GeoJSON Feed
- United States Geological Survey QuakeML Feed
- U.S. Tsunami Warning Centers
- European-Mediterranean Seismological Centre Real-Time Notification
- GlobalQuakeServer API (Beta version only)
Event sources planned to support in the future are as follows.
CysTerra is an informational app, not a safety app, and does not have alert features for now.
Production
- Owner: Lime
- Localization Assistance
- Chinese: 风云
- Indonesian: krowned, Desna
- Special thanks to the GlobalQuake community for supporting the early development of this project
This project was created on 2024-02-25 (Android version only). Its development was made public on 2024-04-16. Its first Beta version of Android build was published on 2024-06-06.
The development of the Unity build was started on 2024-11-28. The first Alpha version of Unity build was published on 2025-02-22. The Unity build was discontinued on 2025-07-31.
The development of the universal build was started on 2025-12-03. The first Alpha version of universal build was published on 2026-03-11.
The interface layer and the event source layer of this project have been open-sourced since 2026-03-12. The extension development documentation for this project was published on 2026-03-22.
See version history for changes in versions.
Resources
- Disclaimers and Download
- Licenses
- Configuration Editor
- Thesis (PDF file, Simplified Chinese)
External Links
- GitHub public repository
- GitHub interface layer repository
- GitHub extension repository
- Extension development documentation