The Richter Scale is a scale, ranging from 1 to 10, for indicating the intensity of an earthquake. The PHIVOLCS Earthquake Intensity Scale (PEIS) is a seismic scale used and developed by the Philippine Institute of Volcanology and Seismology (PHILVOLCS) to measure the intensity of an earthquake.. 11.3 Measuring Earthquakes There are two main ways to measure earthquakes. The first of these is an estimate of the energy released, and the value is referred to as magnitude.This is the number that is typically used by the press when a big earthquake happens. Earthquake - Earthquake - Intensity and magnitude of earthquakes: The violence of seismic shaking varies considerably over a single affected area. So the intensity of an earthquake will vary depending on where you are. Because the entire range of observed effects is not capable of simple quantitative definition, the strength of the shaking is commonly estimated by reference to intensity scales that describe the effects in qualitative terms. Scientists no longer rely on the the Richter scale to measure an earthquake's power. An earthquake causes many different intensities of shaking in the area of the epicenter where it occurs. Asked in Earthquakes How does the Richter scale differ from the Marcalli intensity scale ? Here's how earthquakes are measured, and why a 7.1 quake is worse than you might imagine. The scale is logarithmic, with each step equivalent to multiplying by 10 to the power of 1.5.
The Mercalli scale measures the intensity of an earthquake by quantifying the effects of an earthquake on the Earth's surface. Sometimes earthquakes are referred to by the maximum intensity they produce. Based on human reactions, natural objects and man-made structures, the Mercalli scale rates earthquakes on a scale of 1 to 12, with 1 denoting … In the … Intensity of Earthquake is measured from 1 10 on Richter scale on seismometer from CHE 110 at Lovely Professional University