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Earthquakes and Volcanoes

Why do volcanoes always erupt so loudly and violently?

Where have earthquakes in Canada taken place? Where is the most active? What effect do they have on Canada and the economy?

Who was the first person to discover volcanoes? How hot can lava get to be? Where will the next volcano erupt? In all the volcanic eruption, how many deaths were there (estimate)?

Why is volcanic rock so light it even floats?

If the hottest part of a fire is white, why is lava red and not white?

Which non-coastal areas of Canada are at high risk for experiencing earthquakes? Also,when and where did the most recent significant earthquakes occur in Canada?

Which non-coastal areas of Canada are high hazard for earthquakes?

Can earthquakes be triggered by human activities?

What scales are used to measure earthquakes?

Are there any earthquake zones/faults in eastern N.America?

Why do earthquakes happen?

Are there any active or recent volcanoes in Nova Scotia?

Has there ever been a big earthquake in Nova Scotia?

What is the biggest earthquake recorded on the Richter scale?

Why do some volcanoes suddently become extinct or dormant? If they once flowed with lava and spewed ash, why aren't they anymore?

   

    Last Modified: 2004-12-10