The best replacement for earthquakes is volcanoes.

The best alternatives to earthquakes are rated as following:
★★★★★  volcanoes
★★★★  galaxy
★★★  tornadoes
★★★  hurricanes
★★  sounders
★★  toluca
★★  volcanic eruptions
★★  tsunami
★  la galaxy
★  volcanoes webquest
★  real salt lake
★  aftershocks
★  faults
★  tremors
★  chicago fire
★  earthquake
  volcano eruptions
  seattle sounders
  chivas usa
  tsunamis
  new york red bulls
  moonquakes
  floods
  timbers
  volcanic action
  shallow
  landslides

Your alternative for earthquakes is not listed? Suggest!
Speaking about earthquakes, one probably shouldn't forget about magnitude.

Other search terms related to earthquakes and their ratings are:
★★★★★ magnitude
★★★ tsunamis
★ plate boundaries
landslides
plate tectonics
aftershocks
You have in mind a companion for earthquakes and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of earthquakes in all years. Click on graph for more.
earthquakes
volcanoes
galaxy