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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 🔗


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



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 🔗