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It refers to the study of how bright a star actually is or how bright it appears to be. The brighter it appears, the lower its magnitude value is. Magnitude can be both positive and negative. The way stars look to us is what we refer to as Apparent Magnitude. A star that looks very faint might be a lot brighter than a star that looks brighter star, because the fainter looking star is much further away. If both were the same distance from us, the fainter star might look a lot brighter than the other star. The actual brightness of stars in this way is called the Absolute Magnitude of a star.

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15y ago
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5mo ago

Magnitude measures the energy released at the source of an earthquake, indicating the earthquake's size. It is based on the seismic waves recorded on seismographs. The Richter scale and moment magnitude scale are commonly used to quantify earthquake magnitudes.

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14y ago

A magnitude scale provides an estimate of the total energy released in an earthquake. It is commonly derived based on the amplitude of seismic waves or if information is available, the size of fault displacement and the stiffness of the rockmass around the fault zone.

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13y ago

The moment magnitude scale (MW) provides an estimate of the total energy released in an earthquake and is currently the preferred magnitude scale in use by seismologists for measuring large (magnitude greater than 7) earthquakes.

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13y ago

Size of a certain parameter.

I walked at a velocity of 5 m/s

He weighs 70 kg.

I hit him with a force of 100 N.

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13y ago

No, magnitude means a stars brightness. It has two types of magnitude: Apparent, (how bright is seems to us, a function of how far away it is) and absolute (how bright is is in comparison to other stars, that is, it's "real" magnitude).

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10y ago

An earthquake magnitude scale measures the magnitude of the earthquake. This is the total amount of energy that an earthquake releases.

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13y ago

the magnitude of an earthquake is the amount of energy released by the earthquake. The magnitude of an earthquake is measured by the Richter scale.

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10y ago

Idk.pls update mine!

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9y ago

Size of seismic waves it produces

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Q: What does magnitude measure in an earthquake?
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Magnitude is an earthquake's what?

The magnitude of an earthquake is caluated to measure the amount of energy released during the earthquake.


How do scientists measure an earthquake magnitude?

Scientists measure earthquake magnitude using seismometers, which detect and record ground motion. The most common scale used to measure earthquake magnitude is the Richter scale, which is based on the amplitude of seismic waves. More recently, the moment magnitude scale has become the preferred method for measuring earthquake magnitude as it provides a more accurate representation of the energy released during an earthquake.


What is earthquake magnitude and how is it measured?

Earthquake magnitude is a measure of the energy released during an earthquake. It is typically measured using the Richter scale or the moment magnitude scale. These scales assign a numerical value to quantify the seismic energy released, with each whole number increase representing a tenfold increase in amplitude.


What term defines the size of an earthquake?

The size of an earthquake is defined by its magnitude. Magnitude is a measure of the energy released at the earthquake's source and is typically reported using the Richter scale or the moment magnitude scale.


What is the strength of an earthquake called?

The strength of an earthquake is called its magnitude. This is a measure of the size of the earthquake based on the energy released at the source. It is typically calculated using the Richter scale or the moment magnitude scale.

Related questions

What is an earthquake's magnitude a measure of?

An earthquake's magnitude is a measure of how strong it is


What are the measure of the strength of an earthquake is called?

The Richter magnitude scale is used to measure the strength of an earthquake.


Another word for an earthquake's strength is what?

Another word for an earthquake's strength is magnitude. Magnitude is a measure of the size of the seismic waves produced by an earthquake.


What is used to measure the strength of a earthquake?

The Seismograph is used to measure the Magnitude of an earthquake.


Magnitude is an earthquake's what?

The magnitude of an earthquake is caluated to measure the amount of energy released during the earthquake.


What is magnitude and how is it measured?

magnitudea measure of the amount of the energy released by earthquake . earthquake is measure through Ricthter scale that measure the magnitude of seismic waves that it has


What is an earthquake's strength?

Depends on it's magnitude which can range. Seisometers are used to measure the Magnitude of an earthquake. Magnitude is it's strength.


What term means the measure of energy released by an earthquake?

The measure of energy released by an earthquake depends on its magnitude. If its a high magnitude earthquake, there is a lot of energy. If there is a low magnitude, then there is little energy.


What is a sentence with magnitude?

The magnitude of an earthquake is a measure of the energy that is released by the event.


What scale is used to measure the strength (magnitude) of an earthquake?

Richter Magnitude


What are the advantages the moment magnitude scale to measure an earthquake?

to rate an earthquake


How do scientists measure an earthquake magnitude?

Scientists measure earthquake magnitude using seismometers, which detect and record ground motion. The most common scale used to measure earthquake magnitude is the Richter scale, which is based on the amplitude of seismic waves. More recently, the moment magnitude scale has become the preferred method for measuring earthquake magnitude as it provides a more accurate representation of the energy released during an earthquake.