Hazards
Global Volcanism Program
The Smithsonian's map and database of the world's volcanoes and eruptions
volcano.si.eduOpen
Macrostrat alternatives
Macrostrat: geologic map of the whole world, combining hundreds of maps. Here are 17 other maps that do a similar job, 17 of them completely free.
Side by side
Free alternatives to Macrostrat
Curiosities
Ancient Earth Globe
See where your town was on Earth hundreds of millions of years ago
dinosaurpictures.orgOpen
Outdoors
OpenTopoMap
Free topographic map of the world from OpenStreetMap and elevation data
opentopomap.orgOpen
Nature
River Runner
Follow a raindrop from anywhere to the sea
river-runner-global.samlearner.comOpen
Terrain
topographic-map.com
Free elevation and topographic maps for anywhere
en-us.topographic-map.comOpen
Hazards
VolcanoDiscovery
Volcano news, active volcano map and earthquake reports
volcanodiscovery.comOpen
Terrain
BGS Geology Viewer
Geology of Britain from the British Geological Survey
geologyviewer.bgs.ac.ukOpen
Terrain
OneGeology Portal
Geological maps from geological surveys around the world in one viewer
portal.onegeology.orgOpen
Terrain
USGS MapView
Browse every published geologic map of the United States
ngmdb.usgs.govOpen
Terrain
Flood Map (floodmap.net)
Elevation map that shows what floods at a given water level
floodmap.netOpen
Terrain
Mindat
The mineral database, with maps of where minerals are found
mindat.orgOpen
Terrain
NOAA Bathymetric Data Viewer
Seafloor depth and bathymetry surveys from NOAA
ncei.noaa.govOpen
All similar maps
Hazards
Global Volcanism Program
The Smithsonian's map and database of the world's volcanoes and eruptions
volcano.si.eduOpen
Curiosities
Ancient Earth Globe
See where your town was on Earth hundreds of millions of years ago
dinosaurpictures.orgOpen
Outdoors
OpenTopoMap
Free topographic map of the world from OpenStreetMap and elevation data
opentopomap.orgOpen
Nature
River Runner
Follow a raindrop from anywhere to the sea
river-runner-global.samlearner.comOpen
Terrain
topographic-map.com
Free elevation and topographic maps for anywhere
en-us.topographic-map.comOpen
Hazards
VolcanoDiscovery
Volcano news, active volcano map and earthquake reports
volcanodiscovery.comOpen
Terrain
BGS Geology Viewer
Geology of Britain from the British Geological Survey
geologyviewer.bgs.ac.ukOpen
Terrain
OneGeology Portal
Geological maps from geological surveys around the world in one viewer
portal.onegeology.orgOpen
Terrain
USGS MapView
Browse every published geologic map of the United States
ngmdb.usgs.govOpen
Terrain
Flood Map (floodmap.net)
Elevation map that shows what floods at a given water level
floodmap.netOpen
Terrain
Mindat
The mineral database, with maps of where minerals are found
mindat.orgOpen
Terrain
NOAA Bathymetric Data Viewer
Seafloor depth and bathymetry surveys from NOAA
ncei.noaa.govOpen
Terrain
OpenTopography
High-resolution lidar and elevation data, searchable on a map
opentopography.orgOpen
Terrain
PBDB Navigator
Map of fossil finds through time, on ancient continents
paleobiodb.orgOpen
Terrain
SoilGrids
Global maps of soil properties at 250-metre resolution
soilgrids.orgOpen
Terrain
Web Soil Survey
Official US soil maps and reports for any area
websoilsurvey.nrcs.usda.govOpen
Terrain
Seamless Digital Geological Map of Japan
Japan's nationwide 1:200,000 seamless geological map
gbank.gsj.jpOpen