Volcanos and Earthquakes (AQA GCSE Geography): Flashcards
📚Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
% of volcanoes at plate boundaries
% of volcanoes at plate boundaries
60%
Belt encircling Pacific w/ most volcanoes
Belt encircling Pacific w/ most volcanoes
Ring of Fire
Volcano areas in plate interiors
Volcano areas in plate interiors
Hot spots
Plate margins where volcanoes occur
Plate margins where volcanoes occur
Destructive & constructive
Number of plate margins with earthquakes
Number of plate margins with earthquakes
All 3 types
Why earthquakes at destructive margins
Why earthquakes at destructive margins
Oceanic plate scrapes against continental
Why earthquakes at constructive margins
Why earthquakes at constructive margins
Tension along cracks in plates
Why earthquakes at conservative margins
Why earthquakes at conservative margins
Tension when plates get stuck
What Moment Magnitude Scale measures
What Moment Magnitude Scale measures
Energy released by earthquake
Magnitude 7 vs 6 power difference
Magnitude 7 vs 6 power difference
10 times more powerful
Point in Earth where earthquake starts
Point in Earth where earthquake starts
Focus
Shallow focus effect
Shallow focus effect
Stronger waves & more damage
Point on surface directly above focus
Point on surface directly above focus
Epicentre
Immediate effects of disaster
Immediate effects of disaster
Primary effects
Effects happening later from primary ones
Effects happening later from primary ones
Secondary effects