Science Topics term usage 2005-06-17

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.)

900	earthquakes
395	earthquake occurrences
312	real-time monitoring and reporting
123	volcanoes
107	maps and atlases
95	geographic information systems (GIS)
88	earthquake probabilities
65	tectonic processes
55	seismology
49	earth structure
43	tsunamis
37	hazards
35	surface water (non-marine)
30	animals
30	remote sensing
28	rocks and deposits
25	water quality
24	streamflow
24	ground water
20	aerial photography
19	ground-water flow
19	geologic history
18	geologic structure
17	mineral resources
16	water resources
15	stream-gage measurement
14	invasive species
14	energy resources
14	magnetic field (earth)
13	seismic methods
13	water supply and demand
13	gravitational field (earth)
13	meteorites
12	oil resources
12	sedimentation
12	landslides
12	planetary bodies
12	tectonophysics
11	impact cratering
11	map coordinate systems

Science Topics term usage Friday, 2005-06-17