EARTH SCIENCE
EARTHQUAKES
Question
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focus


magnitude


epicenter


seismic wave

Detailed explanation1: The Richter magnitude of an earthquake is determined from the logarithm of the amplitude of waves recorded by seismographs . Adjustments are included for the variation in the distance between the various seismographs and the epicenter of the earthquakes.
Detailed explanation2: Magnitude is the most common measure of an earthquake’s size. It is a measure of the size of the earthquake source and is the same number no matter where you are or what the shaking feels like.
Detailed explanation3: Richter scale (ML), quantitative measure of an earthquake’s magnitude (size), devised in 1935 by American seismologists Charles F. Richter and Beno Gutenberg. The earthquake’s magnitude is determined using the logarithm of the amplitude (height) of the largest seismic wave calibrated to a scale by a seismograph.
Detailed explanation4: Magnitude measures the energy released at the source of the earthquake. Magnitude is determined from measurements on seismographs. Intensity measures the strength of shaking produced by the earthquake at a certain location. Intensity is determined from effects on people, human structures, and the natural environment.