What is the difference between volcanic and tectonic earthquake?

There are two types of earthquakes: tectonic and volcanic earthquakes. Tectonic earthquakes are produced by sudden movement along faults and plate boundaries. Earthquakes induced by rising lava or magma beneath active volcanoes is called volcanic earthquakes.

Why is it called tectonic earthquake?

A tectonic earthquake is one that occurs when the earth’s crust breaks due to geological forces on rocks and adjoining plates that cause physical and chemical changes. A volcanic earthquake is any earthquake that results from tectonic forces which occur in conjunction with volcanic activity.

What is difference between focus and epicenter?

The focus is the place inside Earth’s crust where an earthquake originates. The point on the Earth’s surface directly above the focus is the epicenter. It’s these waves that you feel during an earthquake.

What is tectonic earthquake explain?

Earthquakes are caused by a sudden fracture of rock masses along a fault line. According to the theory, a tectonic earthquake occurs when strains in rock masses have accumulated to a point where the resulting stresses exceed the strength of the rocks, and sudden fracturing results.

Which is worse a volcanic eruption or an earthquake?

Large volcanic eruptions are more deadly than earthquakes.

What are the three types of earthquake?

Three Kinds of Earthquakes

• Shallow fault earthquakes. A fault is a break in the rock beneath our feet.
• Subduction zone earthquakes. The largest earthquakes ever recorded are subduction zone earthquakes.
• Deep earthquakes. Deep earthquakes occur in the subducting ocean slab, deep beneath the continental crust.

What are the three types of earthquake waves?

There are three major kinds of seismic waves: P, S, and surface waves. P and S waves together are sometimes called body waves because they can travel through the body of the earth, and are not trapped near the surface. A P wave is a sound wave traveling through rock.

What is the similarities between the epicenter and the focus of an earthquake?

1.An earthquake’s epicenter and focus are both determinants of the origin of the ground movements. 2. Epicenters are located on the surface of the Earth, while the focus is beneath the crust and located right below the epicenter. 3.In locating the origin of the earthquake, seismologists first locate the epicenter.

Why does Philippines experience both tectonic and volcanic earthquake?

The Philippines lies along the Pacific Ring of Fire, which causes the country to have frequent seismic and volcanic activity. Many earthquakes of smaller magnitude occur very regularly due to the meeting of major tectonic plates in the region.

How do plate tectonic plates cause earthquakes?

As the plates move, frictionoccurs and plates become stuck. Pressurebuilds up because the plates are still trying to move. When the pressure is released, it sends out huge amounts of energy, causing an earthquake. The earthquakes at a conservative plate boundary can be very destructive as they occur close to the Earth’s surface.

What is the anatomy of an earthquake?

Anatomy of an Earthquake. Although the ground beneath us seems solid, it’s actually in constant motion. We usually don’t see it, but we can experience it through earthquakes. Earth’s crust is broken up into irregular pieces called tectonic plates. These large pieces of crust were formed by the combination of gravity and rising heat from

What percentage of earthquakes are smaller than 100 km deep?

Nearly 9o percent of all earthquakes occur at depths of less than 100 km. Shallower is the depth, more destructive an earthquake is. Theory of plate tectonics explains that earth’s crust is formed by a number of large plates that move very slowly in various directions on the earth’s surface.

Why do earthquakes sometimes occur not near fault lines?

Discuss why earthquakes can sometimes occur not near fault lines. (There are two main reasons for this; hot spots and rift zones. Hot spots are fixed areas of volcanic activity. The source of the magma is below the tectonic plates and the tectonic plates slowly move over this area. Yellowstone and Hawaii are examples of hot spots.