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Describing and Measuring Earthquakes

Ngā Whāinga Ako 🔗


Types of Earthquake Waves 🔗


P Waves 🔗


S Waves 🔗


L Waves 🔗



Whakakite: Slinky 🔗



Ngā Whāinga Ako 🔗



Measuring Earthquakes 🔗

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The energy ________ travels outwards as _____. The point in the Earth’s crust where this happens is called the _____, the point directly above the focus on the Earth’s surface is called the _________. Seismologists use ___________ to determine the magnitude and ________ of earthquakes.

Words: seismographs, focus, location, waves, epicentre, released


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We can see that the epicenter is the closest place on the surface to the focus. This is why the s waves get there first.


Richter Scale 🔗


Mercalli Intensity Scale 🔗