Science Topics term usage 2005-07-24

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

200	earthquakes
85	earthquake occurrences
67	real-time monitoring and reporting
61	volcanoes
61	geographic information systems (GIS)
35	tsunamis
30	topics
29	rocks and deposits
29	tectonic processes
29	water quality
28	energy resources
27	seismology
27	earth structure
27	maps and atlases
27	geologic structure
27	magnetic field (earth)
24	earthquake probabilities
24	aerial photography
24	geochemistry
22	habitats
22	cartography
21	climate change
21	methods
21	ground water
20	mineral resources
20	gravitational field (earth)
20	geography
19	remote sensing
19	glaciation
19	ecosystems
19	oil resources
19	water properties
19	ground-water flow
19	acid deposition
19	geospatial analysis
19	geophysics
19	ocean characteristics
18	topography
18	earth characteristics
18	geologic history

Science Topics term usage Sunday, 2005-07-24