May 12, 2011 – Engineers on a team traveling to Japan next month say Oregon is unprepared for an inevitable mega quake and tsunami.

The moment magnitude is the most common scale on which earthquakes larger than . The most recent large earthquake of magnitude 9.0 or larger was a 9.0 .

May 10, 2011 – The powerful earthquake that struck Japan in March was a 9.0-magnitude event. But this was not, as some people may assume, as registered on .

Mar 12, 2011 – Both scales measure the shaking amplitude of the quake, which is the distance the continental plate moves back and forth, and the scale is .

A seismic scale is used to calculate and compare the severity of earthquakes. ( For a quick review, see the table of seismic scales at the end of this .

Mar 17, 2011 – With Japan still reeling from last week's Sendai event, U.S. scientists are researching quake zones and pushing smarter building techniques .

Mar 14, 2011 – Few recorded earthquakes have been as strong as the one that rocked Japan Friday . Coupled with the massive tsunami that washed ashore, .

The recent earthquake that hit northeastern Japan was measured at 9.0 on the Moment Magnitude Scale (MMS). Scientists known as seismologists use the MMS to .

Apr 7, 2011 – There is breaking news that a 7.4 Magnitude Quake has hit off the coast of Japan , and a Tsuanmi warning has been made.

Mar 11, 2011 – After Japan suffers a massive, deadly earthquake and tsunami, the country grapples with a growing humanitarian disaster and the potential .

If you are looking for earthquake information, please stay with this main Seismo Lab server www.seismo.unr.edu. If you are looking for a class or research .

Feb 21, 2011 – This is significantly closer that September's magnitude 7.0 earthquake, which was 45 km to the west; because the energy of seismic waves .

The Japanese "shindo" scale for measuring earthquakes is more commonly used in Japan than the Richter scale to describe earthquakes. Shindo refers to the .

Jul 9, 2011 – A powerful 7.1-magnitude earthquake struck off Japan's eastern coast on July 10, 2011. Tsunami advisories were issued and then cancelled.

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May 9, 2008 – Metro Manila Earthquake Impact Reduction Study Marikina Valley Fault System: . PHIVOLCS Earthquake Intensity Scale (PEIS), PDF, Print .

Earthquake Measurement Scale. Earthquake Measurement Scale summary with 3 pages of encyclopedia entries, research information, and more.

Earthquake Scales - Richter Magnitude, Moment Magnitude and Mercalli Intensity.

Mar 11, 2011 – Japan has issued a tsunami warning after a massive 8.8 magnitude offshore quake on Friday, with reports of 'numerous' injuries and ships .

The magnitude of most earthquakes is measured on the Richter scale, invented .

Sep 17, 2010 – Britain is overdue a potentially devastating earthquake that could topple London's grandest landmarks, cause billions of pounds worth of .

The magnitude is the most often cited measure of an earthquake's size, but it is not the only measure, and in fact, there are different types of earthquake .

Jan 13, 2010 – Blood-stained bodies lay strewn in the streets of the capital, Port-au Prince, where hundreds of buildings have collapsed.

The modified Mercalli intensity scale rates the impact of quakes from I to XII.

Feb 16, 2011 – The Modified Mercalli Intensity (MMI) scale depicts shaking severity. An earthquake has a single magnitude that indicates the overall size .

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Ever wonder what the difference is between a 5.0 and a 6.0 earthquake? Well, I' ll explain the difference and give you some background on the man for which .

Oct 27, 2009 – A magnitude 8.7 earthquake is 794 times BIGGER on a seismogram than a magnitude 5.8 earthquake. The magnitude scale is logarithmic, so .

Earthquake Magnitude Scale. Magnitude, Earthquake Effects, Estimated Number Each Year. 2.5 or less, Usually not felt, but can be recorded by seismograph. .

Oct 27, 2009 – Seismic waves are the vibrations from earthquakes that travel through . The Richter magnitude scale was developed in 1935 by Charles F. .

Mar 10, 2011 – The quake hit on Friday, March 11, 2011 at 06:25:51 UTC, with a magnitude of 8.9 . Frequent aftershocks at the time of this blog post. .

The Richter Scale is used to rate the amount of energy an earthquake releases. Learn how the Richter Scale is calculated and what the ratings mean.

An earthquake that measures 5.0 on the Richter scale has a shaking . Richter arbitrarily chose a magnitude 0 event to be an earthquake that would show a .

Feb 22, 2011 – According to official data from the US Geological Survey website, a strong earthquake struck Christchurch at 12:51pm local time and measured .

Magnitude 7.6 - TONGA REGION. 2009 March 19 18:17:40 UTC . The broad-scale tectonics of the earthquake region are dominated by the relative convergence of .

Mar 11, 2011 – TOKYO -- A ferocious tsunami spawned by one of the largest earthquakes ever recorded slammed Japan's eastern coast Friday, killing hundreds .

Jan 2, 2008 – Magnitude is a measure of the amount of energy released during an earthquake, and you've probably heard news reports about earthquake .

Jan 10, 2000 – This description of the Mercalli scale is from the U.S. Geological Survey pamphlet The Severity of an Earthquake (1986). .

This one is on the same scale as the Chile quake last year and the Sumatran . A massive 8.8-magnitude earthquake struck off the north-east coast of Japan .

Mar 11, 2011 – At least 350 people are dead and hundreds missing after a tsunami caused by a huge 8.9-magnitude quake devastated north-east Japan.

Mar 25, 2011 – The March 2011 earthquake near Japan – which reached 9 on the Richter scale – was not anticipated for that region of the ocean, .

Mar 12, 2011 – A huge tsunami is feared to have killed at least 1000 people as it swept over coastal Japan after the country's biggest earthquake on .

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Recorded as 9.0 on the Richter scale, it was the most powerful quake ever to hit the country. As the nation struggled with a rescue effort, it also faced .

Liven up your weekend bashing adventures with the Earthquake 8E from Redcat Racing! This 1/8 scale brushless electric monster truck includes 2 LIPO .

The following table is taken from Dowrick, D J (1996) "The modified Mercalli earthquake intensity scale; revisions arising from recent studies of New .

Mar 12, 2011 – Richter uses a base-10 logarithmic scale- read more here. 8.9 - 336 megatons 1.41 EJ Japan earthquake, 2011 (1st reported number) .

The first earthquake magnitude scales were simple designations such as major/ minor. But soon people wanted a more refined classification scheme. .

by S Halchuk - 2004

Richter and Mercalli Earthquake Scales describing earthquake force.

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