How many volcanoes are erupting around the world on any given day?

• 10
  About 10 volcanoes are going through some stage of eruption every day. These aren't necessarily big, explosive eruptions, though.
• 100
  About 10 volcanoes are going through some stage of eruption every day. These aren't necessarily big, explosive eruptions, though.
• 500
  About 10 volcanoes are going through some stage of eruption every day. These aren't necessarily big, explosive eruptions, though.