>> Formation of Solar System (283.0K)
>> Birth of the Moon (129.0K)

>> USGS: This Dynamic Earth - the Story of Plate Tectonics

>> Wikipedia: Eduard Suess
>> Wikipedia: Alfred Wegener
>> PBS: Harry Hess

>> Core Spins Faster Than Earth, Lamont Scientists Find
>> Experiment Mimics Earth's Spinning Core

>> Wikipedia: Dynamo theory
>> Why Does Earth's Magnetic Field Flip?
>> Compass Needles to Flip, Models Show
>> Artist's Rendition of the Solar Wind


>> Mysterious "Swarm" of Quakes Strikes Oregon Waters
>> Siqueiros transform fault in the eastern Pacific Ocean

>> History of Global Plate Motions
>> Late Precambrian Supercontinent and Ice House World
>> Dance of the Giant Continents

>> Age of the Sea Floor (59.0K)
>> Breakup of Pangaea (35.0K)

>> Mantle Convection (32.0K)

>> Marine Magnetic Anomalies (61.0K)
>> Origin of Magnetic Anomalies (46.0K)
>> Model of Mantle Convection (32.0K)

>> Isostatic Adjustment (36.0K)
>> Glacial Effect on Crust (42.0K)
>> Isostasy in a Mountain Belt (9.0K)
>> Isostatic Adjustment Due to Erosion (36.0K)

>> Continent - Continent Collision (27.0K)
>> Convergent Plate Boundary (99.0K)
>> Ocean Continent Convergence (349.0K)
>> Ocean Ocean Convergent Boundary (76.0K)
>> Oceanic-continental convergence (Quicktime)

>> Continental Breakup by Mantle Plumes (28.0K)
>> Divergent Plate Boundary (Quicktime)
>> Divergent Plate Boundary (40.0K)
>> Evolution of a Divergent Plate Boundary (88.0K)

>> Hot Spots and Aseismic Ridges (186.0K)
>> Plate Motion and Mantle Plumes (76.0K)
>> Fringing Reefs and Atolls (78.0K)

>> Sea Floor Spreading (115.0K)

>> Magnitude 8 and Greater Earthquakes Since 1900
>> Largest Earthquakes in the United States
>> Historic Earthquakes in Southern California
>> The Southern California Earthquake Data Center

>> Did you Feel It?

>> Determining Location of an Earthquake (115.0K)
>> Focus of an Earthquake (17.0K)
>> Geologic History of Minor Canyon (397.0K)

>> P Wave and S Wave Shadow Zones (58.0K)
>> Particle Motion in Seismic Waves (60.0K)
>> Seismic Refraction (791.0K)
>> Seismograph for Vertical Rock Motion (15.0K)
>> Seismograph for Horizonal Motion (250.0K)

>> Fault Movement (182.0K)
>> Types of Faults (182.0K)
>> Normal Faults (135.0K)
>> Reverse and Thrust Faults (91.0K)
>> Development of Basin and Range Features (128.0K)
>> Evolution of Basin and Range Landforms (128.0K)

>> Elastic Rebound Theory (30.0K)

>> Tsunami (157.0K)
>> Formation of a Tsunami (157.0K)

>> USGS Response to an Urban Earthquake -- Northridge '94

>> Generation of Magma (155.0K)
>> Mount St. Helens Eruption (50.0K)
>> Bowens Reaction Series (10.0K)
>> Convergent Boundary Magma Formation (155.0K)
>> Divergent Boundary Magma Formation (53.0K)
>> Eruptive Cycle of a Geyser (58.0K)
>> Ocean Continent Convergent Boundary (79.0K)
>> Silicate Structures (75.0K)

>> Determining Location of an Earthquake (115.0K)
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>> Obital Motion in Shallow Water (70.0K)
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>> Seasonal Cycle of a Beach (57.0K)
>> Longshore Drift of Sand (48.0K)
>> Spits and Baymouth Bars (52.0K)
>> Coastal Straightening (21.0K)
>>

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