Google Earth 3D Viewer keyboard shortcuts keys

Shortcut                                                                                   Command
Left arrow	Move Left - Moves the viewer in the direction of the arrow.
Right arrow	Move Right - Moves the viewer in the direction of the arrow.
Up arrow	Move Up - Moves the viewer in the direction of the arrow.
Down arrow	Move Down - Moves the viewer in the direction of the arrow.
Shft+Right arrow, Ctrl + scroll DOWN	Rotate Clockwise - Rotates the view clockwise. The earth spins counter-clockwise.
Shft+Left arrow, Ctrl + scroll UP	Rotate Counter-clockwise - Rotates the view counter-clockwise.
Shft + Up arrow, PgUp key, Shft + scroll wheel	Tilt Up - Tilts the viewer toward "top-down" view. Tip: to use the Page Up key, make sure Num Lock on your keyboard is off.
Shft+Down arrow, PgDn key, Shft + scroll wheel	Tilt Down - Tilts the viewer toward "horizon" view. Tip: to use the Page Up key, make sure Num Lock on your keyboard is off.
Ctrl + Up Arrow, scroll wheel	Zoom in - Zooms the viewer in. If your mouse has a scroll wheel in the middle, pull it toward you to zoom in.
Ctrl + Down Arrow, scroll wheel, - key (both keyboard and numpad)	Zoom out - Zooms the viewer out. If your mouse has a scroll wheel in the middle, push it away from you to zoom out.
Spacebar	Stop Current Motion - When the viewer is in motion, stops movement
n	Reset view to north - up - Rotates view so that view is north-up.
u	Reset tilt to top-down view - Resets angle to view scene in top-down or up mode.