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The U.S. Geological Survey (USGS) Earthquake Center said the March 11, 2011 magnitude 9.0 earthquake (originally reported as 8.9) was the "biggest quake to hit Japan since record-keeping began in the late 1800s and one of the biggest ever recorded in the world".
The official name of the March 2011 Earthquake in Japan is the TÅhoku earthquake, which affected the TÅhoku region and neighboring regions including Fukushima.
UPDATE: Official magnitude was updated to 9.1 on Nov 7, 2016
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What else can I help you with?
What scale gives the intensity of earthquakes?
Richter scale is used to measure earthquakes magnitude Shake intensity is measured on the Mercalli scale
Have tsunamis scale of Richter?
No. The Richter Scale rates the intensity of earthquakes. There is not intensity scale for tsunamis.
Where is an earthquakes maximum intensity usually felt?
at the epicenter
What factors determine the earthquakes intensity on the modified Mercalli scale?
to pooooo
Why can we feel earthquakes hundreds of miles away?
The intensity of earthquakes is very high. So it can be felt hundreds of miles away.
Which do you think is more important to measure an earthquakes intensity or strength?
intensity
What is the Rithcher scale?
It measures an Earthquakes intensity
What does the mercallic scale measure?
An earthquakes intensity
What scale gives the intensity of earthquakes?
Richter scale is used to measure earthquakes magnitude Shake intensity is measured on the Mercalli scale
Where is an earthquakes maximum intensity usually felt?
at the epicenter
What is the instrument that can measure the intensity of earthquakes?
A seismogragh and/or seismometer.
Have tsunamis scale of Richter?
No. The Richter Scale rates the intensity of earthquakes. There is not intensity scale for tsunamis.
Fukushima?
Fukushima
Are all earthquakes the same?
No. Earthquakes differ in cause (strike-slip, megathrust, volcanic, etc.) and in intensity.
How do geologists learn about how the block of rock along a fault move?
They map the earthquakes intensity and where the past earthquakes were.
Why was the seismograph developed for earthquakes?
to measure what is the intensity of the earthquake.From :Lyssa
Which instrument is commonly used to record intensity of earthquakes?
Seismometer
