Investigation 4: Divergent Plates

●Hide Tools ●Show Tools

Map Layers

▼

◀

▶

Dynamic Layers [x]

Base Maps [x]

Click to toggle layer visibilty

Earthquakes M > 4.0 (9/08-9/11)

North American Plate Motion

Plate Boundaries

Surface Heat Flow

Marine Gravity Anomaly

Lithosphere Thickness

Age of Ocean Floor

Enhanced Bathymetry/Topography

Oceans

Topography

Aerials with Labels

Streets

Map Legend

Plates

No legend

Map Navigation Tools

Select a tool and then click-hold and drag the mouse to change the extent.

●Drag a box to zoom in.
●Drag a box to zoom out.
●Drag mouse to pan map.
●Return to previous extent.
●Move to next extent.

Click a location below to zoom to a bookmark location.

North Atlantic Ocean

East Pacific Rise

Mid-Atlantic Ridge

Eastern U.S.

Pacific Rim

Hawaii

Yellowstone National Park

Find Locations

GeoLocation, click the 'Find My Location' button to use your internet connection to mark your location on the map.
●Find My Location

Address location, enter your address in the box below and click the 'Find My Address' button.

●Find My Address

Compare These Locations:

●6767 Hollywood Boulevard
Los Angeles, CA 90028

●1600 Pennsylvania Avenue
NW Washington, DC 20500

Measure Tools

Use the tools below to calculate areas, measure distances, or mark locations on the map.

●Area ●Distance ●Location

unit▼

Measurement Result

Draw Tools

Use these tools to draw lines and add text to the map. If you make a mistake use the 'Undo' button to remove the graphics from the map.

Select a shape to draw on map.

●Point ●Polyline ●Polygon

Enter text below and use the 'Add Text' button to place the text on the map.
●Add Text

●Undo ●Redo

Click the 'Stop Drawing' button to deactivate the drawing tools.
●Stop Drawing

Export Map

1. Click the button below to prepare the map image to export.
●Prepare Map for Export

2. To download your map image....

Macintosh users: Control-click on the image and select "Save Image as..."

PC users: Right click on the image and select "Save Image as..."

3. Click the button below to return to map navigation.
●Return to Map Navigation

If the map that is created for saving does not look correct, click the “Return to Map Navigation” button and click the “Prepare Map for Export ” button again.

Elevation Profile

Use the 'Draw Profile' tool to draw a line on the map. Select the tool and click once on the map to start drawing, double-click to finish.

●Draw Profile ●Investigation 4 ●Clear Profile

Units in meters (+) above or (-) below
Mean Sea Level

Swipe Tool

Select a layer from the list below. Click the ‘Start Swipe’ button to activate the tool. Use the mouse to click and drag the divider across the map. Click the ‘Stop Swipe’ button when you are finished.

Choose Layer to Swipe:

●Start Swipe ●Stop Swipe

Query Earthquakes

Select from the choices below to filter the layer based on earthquake depth and primary fault type. Then click the 'View Results' button to display the results on the map. Click the'Clear' button to show all earthquakes.

Select Earthquake Depth:

All Depths

▼

Select Primary Fault Type:

Extensional

▼

●View Results ●Clear

Continent Boundaries

Click the 'Add Boundaries' button below to add the continental boundaries for part of North America and Africa to the map. Click your mouse to select a shaded shape on the map. Click your mouse a second time and hold to drag the shaded shape on the map. Click and drag the white box located on top of the outlined area to rotate a shaded shape on the map.
●Add Boundaries
Click the 'Cear Boundaries' button to remove the boundaries from the map.
●Clear Boundaries

Links to Data and Resources