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No, they are not safe. No active creep, that is acting over hundreds of years slowly deforms the crustal rock on both sides of the fault. Ultimately, it leads to the elastic rebound of the rock, that causes big scale earthquakes.
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Faults that are experiencing no active creep may be considered safe?
They are not considered safe b/c of Reids Elastic Rebound Theory.
Why are faults sometimes referred to as active boundaries?
because tectonic plates actively move and shift along faults
What instrument measures vertical movement along faults?
to measure vertical movments-tilt meter to measure horizontil movments-creep meter
What is one structure that you would find at an active continental margin that you would not at a passive?
You will find active faults and, if the margin is convergent, volcanoes.
What are four instruments that are used to detect movement along faults?
Four Instruments that are used to detect movement along faults are:1. Tiltmeter2. Creep meter3. Laser-ranging device4. Network of Earth-Orbiting satellites called GPS (global positioning system)
Faults that are experiencing no active creep may be considered safe?
They are not considered safe b/c of Reids Elastic Rebound Theory.
Does a creep meter measure faults that moved in opposite directions?
yes
How many faults does the US have?
OK!over 99 active faults!
Why are faults sometimes referred to as active boundaries?
because tectonic plates actively move and shift along faults
What instrument measures vertical movement along faults?
to measure vertical movments-tilt meter to measure horizontil movments-creep meter
What two factors do geologists consider when determining earthquake risk for a region?
By locating where faults are active and where past earthquake have occurred.
How do geologists monitor faults?
to monitor faults, geologists have developed instruments to measure changes in elevation, tiliting of the land surface, and ground movements along the faults. Geologists use tiltmeters, Creep Meters, Laser- Ranging Devices, and GPS Satellites.
How do the four instruments that are used to detect faults work?
four instruments that are used to detect faults are: creep meters, laser-ranging devices, tiltmeters, and satellites. how they work: a creep meter uses a wire stretched across a fault to measure sideways movement the ground. a laser-ranging device uses a laser beam bounced off a reflector to detect any fault movements
What is one structure that you would find at an active continental margin that you would not at a passive?
You will find active faults and, if the margin is convergent, volcanoes.
Sections of active faults that have had few earthquakes are likely to be sites of strong earthquakes?
focus
What are four instruments that geologists use to monitor movements along faults?
Geologists have created Creep Meters, GPS Satellites, Range/ Laser devices, and Tilt Meters. These instruments help keep track of changes in the land surface and elevation.- Polly T. Denver, CO
What are four instruments that are used to detect movement along faults?
Four Instruments that are used to detect movement along faults are:1. Tiltmeter2. Creep meter3. Laser-ranging device4. Network of Earth-Orbiting satellites called GPS (global positioning system)
