Geology resources
Volcanoes, Volcanoes of the world
New! - Alaska Volcano Observatory
Global tectonics - Natural hazards
Age of Earth - Abundance of radioisotopes in the Earth's crust
Geological time scale at wikipedia - compact diagram
Snowball Earth
Plate tectonics more
Lisbon earthquake (Nov 1, 1755)
Old Faithful videocam
Mt. St. Helens Webcam
Mount Merapi
The planet at night
Lake Vostok
Carbon dioxide lake