Earthquakes

Picture is updated every 20 minutes.

Global Weather Forecast

Picture is updated every 12 hours.

Hurricanes

Picture is updated every 20 minutes.

Global Incidents

Picture is updated every 20 minutes.

Satellites

Picture is updated every 20 minutes.

Active Volcanoes

Picture is updated every 20 minutes.

Ref: http://satellite.ehabich.info/links.html