The Global Terrestrial Network for Permafrost database contains metadata and quality-controlled measurements of permafrost temperatures and annual thaw depth.
National Earthquake DataBase
vsNMDB
National Earthquake DataBase vs NMDB
How do National Earthquake DataBase and NMDB compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | National Earthquake DataBase | NMDB |
|---|---|---|
| What it is | Canada’s National Earthquake Database combines raw seismograph data, measurements, and derived parameters from national seismic networks. | The Neutron Monitor Database provides real-time and historical measurements from neutron monitor stations around the world. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both National Earthquake DataBase and NMDB.
EBAS stores and disseminates atmospheric composition measurements produced by national and international monitoring programs and research projects.



