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There are two instruments, which are basically the same thing. There is the seismograph , and a more specific tool measures the waves on what is called the Richter scale. Earthquakes are given a number from one to ten, ten being the strongest. The strongest earthquake that their ever was, was measured a 9.3.
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoRichter scale
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The Richter is NOT an SI scale. It is not a measurement scale based on a mathematical basis, but a descriptive scale - based on the effect of the earthquake.
There are two main aspects to earthquake measurement: intensity and magnitude. Intensity is the quality of the quake and tends to decrease with distance from the source of the earthquake. Intensity measurement is based on an arbitrary ranking of the "damage" caused.
Magnitude is the total energy output of the quake and could be measured in some multiple of watts.
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What is the most accurate measurement of an earthquake's magnitude?
The Seismic Moment Scale is the most accurate measurement of an earthquake's magnitude.
What is the strength measurement of earthquake intensity?
6.6-6.7
What is the measurement of how likely an area is to have damaging earthquakes called?
earthquake hazard
The Richter magnitude of an earthquake is determined from the .?
measurement of the amplitude of the largest seismic waves
What record earthquake shaking?
It was 2004 when a earthquake struck in the middle of theIndian ocean it's measurement is 9.8 critical scale biggest ever in centeries.
What is the most accurate measurement of an earthquake's magnitude?
The Seismic Moment Scale is the most accurate measurement of an earthquake's magnitude.
What is the measurement of how likely an area is to have damaging earthquake called?
an earthquake hazard
What measurement was the earthquake in japan?
9.0
What is yesterday measurement for Japan's earthquake?
7.4
What is measurement of strength of an earthquake?
a seismographic flow
What is the strength measurement of earthquake intensity?
6.6-6.7
What is the measurement of the earthquake in Christchurch New Zealand?
6.3
What was the measurement of Japan's major 2011 earthquake?
The 2011 Tohoku earthquake measured 9.0 on the Richter scale.
What is the measurement of how likely an area is to have damage called?
an earthquake hazard
What is the measurement of the Tejon Pass Earthquake 1857?
200 miles
What is a intensity scale?
Mercalli is a scale for the measurement of earthquake intensities.
What is an earthquake's magnitude a measure of?
An earthquake's magnitude is a measure of how strong it is
