An earthquake.
True((;
It is an earthquake
The sudden movement of the earth's crust is called and earthquake
Because the earth is "quaking" (shaking), hence the name earthquake.
Geomagnetic storms!
earth quake
earth quakes
earth quakes
True((;
It is an earthquake
earthquake=]
An earthquake is a shaking of the ground caused by shifts in the tectonic plates as they move against each other.
an earthquake
The sudden movement of the earth's crust is called and earthquake
sudden shaking of the ground
An earthquake is a sudden and violent shaking of the ground, it is caused by movements within the earth's crust or volcanic action.
That's called an earthquake.