Science Topics term usage 2005-04-17

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.)

230	earthquakes
114	volcanoes
91	earthquake occurrences
66	geographic information systems (GIS)
57	tectonic processes
40	real-time monitoring and reporting
39	maps and atlases
35	earth structure
29	energy resources
29	streamflow
28	surface water (non-marine)
27	geologic history
25	aerial photography
24	ground water
24	rocks and deposits
22	hazards
22	earthquake probabilities
22	tsunamis
21	water resources
21	sedimentation
20	geologic structure
20	water quality
20	mineral resources
19	seismology
18	tectonophysics
17	oil resources
16	ground-water flow
16	magnetic field (earth)
16	animals
16	core (earth)
15	landslides
15	ocean characteristics
15	volcanic activity
15	climate change
15	floods
15	erosion
15	map coordinate systems
15	land use and land cover
14	storms
14	structural geology

Science Topics term usage Sunday, 2005-04-17