How do we measure earthquakes?
Earthquakes are measured using instruments called seismographs (or seismometers), which detect and record ground vibrations (seismic waves)
What is this?
Volcanic eruption
What is this?
Wildfire
What causes an earthquake?
...
What is this?
Flood
What is this?
Earthquake
What is this?
Meteorite strike
What is this?
Tornado
What is the Pacific "Ring of Fire"?
90% of the world' earthquakes happen there
What is this?
Oil spill
What is an Earthquake?
An earthquake is a sudden, rapid shaking of the ground caused by the breaking and shifting of rock beneath the Earth's surface.
The point of an earthquake on the Earth's surface is called the ___________ .
Epicenter
What is the layer of the Earth where earthquakes occur?
The crust
What is this?
Tsunami
The place inside the Earth where the earthquake starts is called the _______.
Focus (hypocenter)
What is this?
Drought
What is this?
Landslide