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Richter scale

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Richter scale

a scale for expressing the magnitude of an earthquake in terms of the logarithm of the amplitude of the ground wave; values range from 0 to over 9
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

Richter scale

[′rik·tər ‚skāl]
(geophysics)
A scale of numerical values of earthquake magnitude ranging from 1 to 9.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
Dec 23, 1972 - NICARAGUA - Massive earthquake measuring 6.5 on the Richter scale struck Managua.
It took place in the early hours of the morning on June 7, 1931 and measured 6.1 on the Richter scale.
The strongest earthquake which shook parts of Bulgaria was registered 27 kilometers off the Greek island Samothrace at 11:25 local time and was of magnitude 6.4 on the Richter scale.
An earthquake measuring 6.2 on the Richter scale jolted Ahar in East Azerbaijan province at 16:00 hours local time (1130GMT) on August 11.
According to European-Mediterranean Seismological Centre (EMSC), the earthquake measuring 4.8 on the Richter scale, struck Kathmandu at 6:14 am today.
It had magnitude 2.4 on Richter scale and a depth of 10.9 km.
ISLAMABAD, July 27, 2009 (Frontier Star) -- A strong earthquake measuring 5.2 on Richter scale jolted twin cities of Rawalpindi and Islamabad, Malakand division and Azad Jammu Kashmir, causing picnic among earthquake victim of October 08, 2005.
Summary: Islamabad [Pakistan], March 22 (ANI): An earthquake measuring 4.9 on the Richter scale rattled the parts of Malakand in Khyber Pakhtunkhwa province here on Friday.
A light earthquake with a magnitude of 2.3 on the Richter scale was registered in the southern Bulgarian city of Kardzhali early Sunday morning.
Summary: Jakarta, May 22, 2010, SPA -- An earthquake measuring 5 on the Richter scale jolted the eastern Indonesian province of Maluku on Friday night.
ISLAMABAD, July 05, 2009 (Frontier Star) -- A moderate earthquake measuring 5.1 on the Richter scale rattled various parts of the country including Islamabad, Sargodha, Swat and adjoining areas.
Nov 29 (ANI): An earthquake of magnitude 3.7 on the Richter scale hit Jammu and Kashmir region on Thursday.
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