The surface wave magnitude ( M s {\displaystyle M_{s}} ) scale is one of the magnitude scales used in seismology to describe the size of an earthquake...

given location. Magnitudes are usually determined from measurements of an earthquake's seismic waves as recorded on a seismogram. Magnitude scales vary based...

important parameters for calculating surface-wave magnitude. The equation for calculating surface wave magnitude is M = log 10 ⁡ ( A T ) max + σ ( Δ )...

peaks of seismic wave activity that would alert coastal populations to a possible tsunami risk. Typically the surface-wave magnitude for such an event...

(typically M > 4), replacing the local magnitude (ML ) and surface-wave magnitude (Ms ) scales. Subtypes of the moment magnitude scale (Mww , etc.) reflect different...

scale Richter magnitude scale, the energy of an earthquake, superseded by Moment scale Surface-wave magnitude, based on Rayleigh surface wave measurement...

especially the local magnitude ML  and the surface wave Ms  scale. In addition, the body wave magnitude, mb , and the moment magnitude, Mw , abbreviated...

the shaking of the Earth's surface resulting from a sudden release of energy in the lithosphere that creates seismic waves. Earthquakes can range in intensity...

called a wave orbit. Gravity waves on an air–sea interface of the ocean are called surface gravity waves (a type of surface wave), while gravity waves that...

Retrieved 2008-09-14. William L. Ellsworth (1991). "Surface-Wave Magnitude (Ms) and Body-Wave Magnitude (mb)". United States Geological Survey. Archived...

occurred on April 4 at 8:58 pm Philippine Standard Time, with a surface-wave magnitude of 5.5 off the coast of Batangas. According to the PHIVOLCS earthquake...

observing patterns of surface waves from above. A wave basin is a wave tank which has a width and length of comparable magnitude, often used for testing...

A crest point on a wave is the highest point of the wave. A crest is a point on a surface wave where the displacement of the medium is at a maximum. A...

A surface acoustic wave (SAW) is an acoustic wave traveling along the surface of a material exhibiting elasticity, with an amplitude that typically decays...

The 1902 Andijan earthquake occurred on December 16 with a surface-wave magnitude of 6.4 and a maximum perceived Mercalli intensity of IX (Violent). The...

(ms), and megasecond (Ms), multiples of the unit of time second Surface-wave magnitude (Ms), a seismic scale Solar mass (MS), an alternate symbol to M⊙...

overcome the distance and magnitude limitations of the ML  scale inherent in the use of surface waves. mB  is based on the P- and S-waves, measured over a longer...

than expected for the surface wave magnitude. The very high tsunami magnitude value is due to the sheer strength of the waves. It was calculated by using...

fluid dynamics, the wave height of a surface wave is the difference between the elevations of a crest and a neighboring trough. Wave height is a term used...

In fluid dynamics, a wind wave, or wind-generated water wave, is a surface wave that occurs on the free surface of bodies of water as a result of the...

Pradesh, in India on 4 April 1905. The earthquake measured 7.8 on the surface-wave magnitude scale and killed more than 20,000 people. Apart from this, most...

creators of the Richter scale, which, until the development of the moment magnitude scale in 1979, was widely used to quantify the size of earthquakes. Inspired...

Antioch on 13 December 115 AD. It had an estimated magnitude of 7.5 on the surface-wave magnitude scale and an estimated maximum intensity of XI (Extreme)...

District of the Mutawakkilite Kingdom of Yemen. The earthquake had a surface-wave magnitude of 5.8–6.5 and a shallow focal depth. Despite the moderate size...

January (23:11 on 20 January UTC). It had an estimated magnitude of 6.6 on the surface-wave magnitude scale and had a maximum perceived intensity of IX (Violent)...

recorded using modern broadband instruments. The initial surface-wave magnitude, which uses only waves of a period of 20 seconds, was estimated at 7.0–7.2...

measured on the Richter scale (ML) or the moment magnitude scale (Mw), or the surface wave magnitude scale (Ms) for very old earthquakes. The present...

This is a list of wave topics. Contents:  Top 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z...

physics, a wave vector (or wavevector) is a vector used in describing a wave, with a typical unit being cycle per metre. It has a magnitude and direction...

earthquake occurred on February 10, 2017, at 10:03 PM (PST), with a surface-wave magnitude of 6.7 off the coast of Surigao del Norte in the Philippines. According...