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Earthquake intensity is measured on a scale called 'Mercalli Intensity Scale' or more recently 'Modified Mercalli Scale'. The scale quantifies the effects of an earthquake on the Earth's surface, humans, objects of nature, and man-made structures on a scale from I (not felt) to XII (total destruction). An earthquake is graded after collecting data from people who have experienced the earthquake and observing the destruction caused by the earthquake.
People often confuse 'Intensity' of an earthquake with its 'magnitude.' An earthquake's magnitude is a measure of the energy released by an earthquake that propagates from it. It is measured by the Richter scale(formerly), or Moment Magnitude Scale. Information about the earthquake is put into an algorithm to assign the earthquake to a scale of 2 or less, to 10.0+ and anything in between.
A magnitude of 2 or less is extremely weak, and may not have been felt at all. An earthquake with the magnitude of 10 is extremely massive and would cause mass destruction - there have not been any 10.0 earthquakes recorded yet.
Magnitude and Intensity are correlated. Intensity depends on the magnitude, distance between focus and surface, and population density of the region etc. So, an earthquake with more magnitude will have more intensity, given all the conditions remain same.
See the Related Links section below for the algorithm.
What else can I help you with?
What can give a warning for earthquakes about one tenth of the time?
If you take the past earthquakes and study them and how they were you can find out about where some future earthquakes might be then you can provide a warning for earthquakes about 10% of the time.
Is vibration testing being used to detect earthquakes?
Vibration testing is not typically used to detect earthquakes. Earthquakes are usually detected using seismometers, which are specialized instruments designed to measure ground motion caused by seismic activity.
What are measuring devices with lasers used for with earthquakes?
Laser-ranging devices us laser beams to detect the fault movements that cause earthquakes.
What scale is used today to measure earthquakes?
The scale used today to measure earthquakes is the moment magnitude scale (Mw). It is the most widely used scale for measuring the size of earthquakes because it provides a more accurate representation of an earthquake's size and energy release compared to older scales like the Richter scale.
Is a seismometer used for earthquakes or volcanoes?
As magma, or molten rock, moves underground it creates earthquakes. The signature of magma-driven seismic waves is different from that of normal tectonic earthquakes. With multiple seismometers it is possible to determine where earthquakes are and whether or not they are migrating. If earthquakes are moving closer to the surface and closer to a volcano, that is a sign it might be getting ready for an eruption.
What is the richtor scale?
the scale used to measure the intensity of earthquakes
What is used to find earthquakes?
Seismograph
What determines loudness?
the intesity of sound
What are seismographs used for?
A seismograph is used to detect vibrations and motions in the Earth's crust. These tremors are usually due to friction between tectonic plates (earthquakes) or huge powerful volcanic activity. - hope that helps
What a another word for intensity?
intesity means exciment
Which scale is used to find the intesity of an earthquake?
The Richter scale, each number is ten times more stronger than the previous number. A #6 earthquake is ten times more power than a number 5 earthquake.
Where can one find information on earthquakes in California?
You can find information about earthquakes that have happened in California on the earthquake page of the USGS website. Alternatively you can find information on the about website under the geography section which has an article about earthquakes in California.
Where do you find most of the zones of earthquakes and volcanoes on Earth's surface?
usually you find most of the zones of earthquakes and volcanoes at a plate boundary.
What can give a warning for earthquakes about one tenth of the time?
If you take the past earthquakes and study them and how they were you can find out about where some future earthquakes might be then you can provide a warning for earthquakes about 10% of the time.
What is the study of earthquakes and what is the instrument used by scientists to record earthquakes data?
Seismograph.
What is the fitt prinsiple?
Frequency Intesity Type Time
What is used to detect earthquakes?
A seismograph.
