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Apr 24, 2024 · 12.2: Seismic Waves and Measuring Earthquakes. The shaking from an earthquake travels away from the rupture in the form of seismic waves. Seismic waves are measured to determine the location of the earthquake, and to estimate the amount of energy released by the earthquake (its magnitude ).
There are many ways to measure magnitude — including Charles Richter’s method developed in 1935 — but they are all ways to estimate the same number: the amount of energy released. The other way of assessing the impact of an earthquake is to assess what people felt and how much damage was done. This is known as intensity.
- Steven Earle
- 2015
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Apr 24, 2024 · There are many ways to measure magnitude—including Charles Richter’s method developed in 1935—but they are all ways to estimate the same number, which is proportional to the amount of energy released. The other way of assessing the impact of an earthquake is to assess what people felt and how much damage was done. This is known as ...
The Richter scale measures the largest wiggle (amplitude) on the recording, but other magnitude scales measure different parts of the earthquake. The USGS currently reports earthquake magnitudes using the Moment Magnitude scale , though many other magnitudes are calculated for research and comparison purposes.
Nov 24, 2023 · The other way of assessing the impact of an earthquake is to assess what people felt and how much damage was done. This is known as intensity. Intensity values are assigned to locations, rather than to the earthquake itself, and intensity can vary widely therefore, depending on the proximity to the earth quake and the type of ground underneath.
Measurement of the severity of an earthquake can be expressed in several ways, but the two most common scales used by seismologists are intensity and magnitude. Earthquake intensity. Intensity is a qualitative measure of the strength of shaking caused by an earthquake determined from the observed effects on people, objects and buildings.
Seismic waves are measured to determine the location of the earthquake, and to estimate the amount of energy released by the earthquake (its magnitude ). Types of Seismic Waves. Seismic waves are classified according to where they travel, and how they move particles. Body Waves.
