Seismic magnitude scales are used to describe the overall strength or "size" of an earthquake. These are distinguished from seismic intensity scales that...

of an earthquake than other scales, and does not saturate – that is, it does not underestimate magnitudes as other scales do in certain conditions. It...

amplitude in μm. Earth sciences portal 1935 in science Seismic intensity scales Seismic magnitude scales Timeline of United States inventions (1890–1945) Kanamori...

from an earthquake. They are distinguished from seismic magnitude scales, which measure the magnitude or overall strength of an earthquake, which may...

intensity scale (MM, MMI, or MCS) measures the effects of an earthquake at a given location. This is in contrast with the seismic magnitude usually reported...

earthquakes in Japan Nuclear power in Japan (seismicity section) Seismic intensity scales Seismic magnitude scales The Tomakomai Shirakaba (Tomakomai Observation...

visible, symbol mv Seismic magnitude scales, the energy in an earthquake, measures include: Moment magnitude scale, based on seismic moment, supersedes...

first scale for measuring earthquake magnitudes was developed by Charles Francis Richter in 1935. Subsequent scales (seismic magnitude scales) have retained...

the limitation of seismometers designed in the early years, some seismic magnitude scales began to show errors when the epicentral distance exceeded a certain...

local-magnitude scale encouraged Gutenberg and Richter to develop magnitude scales based on teleseismic observations of earthquakes. Two scales were developed...

The Japan Meteorological Agency magnitude scale (Japanese: 気象庁マグニチュード) is a seismic magnitude scale set by the Japan Meteorological Agency. In Japan,...

main types of elastic body waves, called seismic waves in seismology. P waves travel faster than other seismic waves and hence are the first signal from...

A seismic wave is a mechanical wave of acoustic energy that travels through the Earth or another planetary body. It can result from an earthquake (or...

European macroseismic scale has 12 divisions, as follows: Seismic intensity scales Seismic magnitude scales Macroseismic Scale (full text in multiple...

building in designated cities is expected to resist. Seismic intensity scales Seismic magnitude scales Seismic engineering Effectively this only applies to mainland...

1785/0120050258 Brumbaugh, D.S. (1989), "A comparison of duration magnitude to local magnitude for seismic events recorded in northern Arizona", J. Arizona-Nevada...

location and magnitude of future seismic events. There are several interpretative factors to consider. The epicentres or foci and magnitudes of historical...

alters the stresses and strains on Earth's crust. Most induced seismicity is of a low magnitude. A few sites regularly have larger quakes, such as The Geysers...

Regional Seismic Wave Propagation[dead link‍]. Choy, G. L.; Boatwright, J. L. (2012), "Information Sheet 3.6: Radiated seismic energy and energy magnitude",...

using trilateration. Epicentral distance is also used in calculating seismic magnitudes as developed by Richter and Gutenberg. The point at which fault slipping...

and other magnitude scales developed by Western seismologists, which estimate the magnitude from the amplitude of some portion of the seismic waves generated...

focal depth. The focal depth can be calculated from measurements based on seismic wave phenomena. As with all wave phenomena in physics, there is uncertainty...

and created ground effects over a large area. It had a magnitude of 5.6 Mfa (a seismic scale that is based on an isoseismal map or the event's felt area)...

derivative with respect to time. Combining the last two equations one gets the seismic wave equation in homogeneous media ρ ∂ t 2 u i = λ ∂ i ∑ k ∂ k u k + μ...

November 2015. See also: Seismic magnitude scales European Facilities for Earthquake Hazard & Risk (2013). "The 2013 European Seismic Hazard Model (ESHM13)"...

less noisy and gives better records of some seismic waves.[citation needed] The foundation of a seismic station is critical. A professional station is...

can be distinguished from aftershocks in having similar magnitudes and nearly identical seismic waveforms. Most aftershocks are located over the full area...

personal seismic and infrasonic sensors, utilizing Raspberry Pi hardware. Raspberry Shake was developed in the Chiriquí province under the Western Seismic Observatory...

exceeded magnitude 5.2. An evacuation was ordered in the town of Grindavík, which is located near the area of the seismic activity. Large-scale subsidence...

of magnitude 6 to 7 compared to the largest magnitude 9 earthquakes of recent times, such a temblor is especially destructive because the seismic waves...