NOAA Bathymetric Data Viewer: Seafloor depth and bathymetry surveys from NOAA. VolcanoDiscovery: Volcano news, active volcano map and earthquake reports.
| NOAA Bathymetric Data Viewer | VolcanoDiscovery | |
|---|---|---|
| Category | Geology, Terrain & Ocean Floor | Earthquake, Fire & Disaster Maps |
| Coverage | Worldwide oceans | Worldwide |
| Updates | Periodically | Daily |
| Data source | NOAA NCEI and global bathymetry | Volcano observatories, seismic agencies and own reporting |
| Made by | NOAA NCEI | VolcanoDiscovery |
| Price | Free | Free |
| Account | No account needed | No account needed |
| On phones | Best on a computer | Works well on phones |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with NOAA Bathymetric Data Viewer
- Seafloor depth layers
- Survey footprints
- Data download
What you can do with VolcanoDiscovery
- Map of active volcanoes
- Eruption news
- Earthquake lists by region
Summary based on public information. Check each map's website for current features and prices.