What are three ways in which geologists use seismographic data?

What are three ways in which geologists use seismographic data?

What are three ways in which geologists use seismographic data? Geologists use seismographic data to map faults, monitor changes along faults, and to try to predict earthquakes.

What are two ways in which geologists use seismographic data?

What are three ways geologists use seismographic data? Mapping faults, monitoring changes along faults and trying to predict earthquakes.

What are 4 instruments that geologists use?

Four instruments that are used to monitor faults are creep meters, laser-ranging devices, tiltmeters, and satellites. A creep meter uses a wire stretched across a fault to measure sideways movement of the ground. A laser-ranging device uses a laser beam bounced off a reflector to detect even slight fault movements.

How can an earthquake have a negative depth?

In order for an earthquake to occur, two blocks of crust must slip past one another, and it is impossible for this to happen at or above the surface of the earth. When the earthquake depth is very shallow, it can be reported as a negative depth.

What are the two main types of earthquake vibrations?

The two general types of vibrations produced by earthquakes are surface waves, which travel along the Earth’s surface, and body waves, which travel through the Earth. Surface waves usually have the strongest vibrations and probably cause most of the damage done by earthquakes.

At what depth do earthquakes occur?

Earthquakes can occur anywhere between the Earth’s surface and about 700 kilometers below the surface. For scientific purposes, this earthquake depth range of 0 – 700 km is divided into three zones: shallow, intermediate, and deep.

Why are so many earthquakes at 10km depth?

Some areas, like subduction zones, are known to have many earthquakes much deeper than 10 km. The most common reason for having to fix the depth is that the earthquake occurred too far from the nearest seismic station.

What is the relationship between the depth of an earthquake and the boundary it is near?

1. It is relatively easy to see the relationships between earthquakes and the plate boundaries. Along divergent boundaries like the mid-Atlantic ridge and the East Pacific Rise, earthquakes are common, but restricted to a narrow zone close to the ridge, and consistently at less than 30 km depth.

Where do earthquakes occur most often?

Over 80 per cent of large earthquakes occur around the edges of the Pacific Ocean, an area known as the ‘Ring of Fire’; this where the Pacific plate is being subducted beneath the surrounding plates. The Ring of Fire is the most seismically and volcanically active zone in the world.