what are movement of rock layers
An Earthquake
A sharp cliff caused by sudden movements along dip-slip faults is called an earthquake. It causes the ground to shake for several seconds.
sheer wall
I can think of four things that cause sudden changes to the earth's surface: Impact of a large object from space (such as Meteor Crater in Arizona), earthquake, volcanic eruption or explosion (Krakatoa is a prime example), and nuclear explosion (the atomic bomb caused very sudden and complete change to Hiroshima and Nagasaki). Every rain shower causes some change to the earth's surface, but I think you were asking about more dramatic examples.
Gravitational force Tectonic force Diastrophism
earthquake
yes
armadillos are easily frightened by sudden action or movements, and also loud, sudden noises
LANDSLIDE
An earthquake
An Earthquake
Pull it's tail or make sudden movements
earthquakes
Loud noises and sudden movements
A sharp cliff caused by sudden movements along dip-slip faults is called an earthquake. It causes the ground to shake for several seconds.
A sharp cliff caused by sudden movements along dip-slip faults is called an earthquake. It causes the ground to shake for several seconds.
An acoustic emission is a physical vibration caused by sudden movement within a material subjected to physical stress.