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2. Seismic vibration control - Wikipedia

   en.wikipedia.org/wiki/Seismic_vibration_control

   Seismic vibration control. In earthquake engineering, vibration control is a set of technical means aimed to mitigate seismic impacts in building and non-building structures. All seismic vibration control devices may be classified as passive, active or hybrid[ 1] where: hybrid control devices have combined features of active and passive control ...

3. Earthquake shaking table - Wikipedia

   en.wikipedia.org/wiki/Earthquake_shaking_table

   Earthquake shaking table at the National Technical University, Athens, Greece. There are several different experimental techniques that can be used to test the response of structures and soil or rock slopes to verify their seismic performance , one of which is the use of an earthquake shaking table (a shaking table , or simply shake table ).

4. Richter scale - Wikipedia

   en.wikipedia.org/wiki/Richter_scale

   Millions of minor earthquakes occur every year worldwide, equating to hundreds every hour every day. [15] On the other hand, earthquakes of magnitude ≥8.0 occur about once a year, on average. [15] The largest recorded earthquake was the Great Chilean earthquake of May 22, 1960, which had a magnitude of 9.5 on the moment magnitude scale. [16]

5. Seismic magnitude scales - Wikipedia

   en.wikipedia.org/wiki/Seismic_magnitude_scales

   v. t. e. Seismic magnitude scales are used to describe the overall strength or "size" of an earthquake. These are distinguished from seismic intensity scales that categorize the intensity or severity of ground shaking (quaking) caused by an earthquake at a given location. Magnitudes are usually determined from measurements of an earthquake's ...

6. Modified Mercalli intensity scale - Wikipedia

   en.wikipedia.org/wiki/Modified_Mercalli...

   Earthquakes. The Modified Mercalli 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 for an earthquake. Magnitude scales measure the inherent force or strength of an earthquake – an event occurring at greater or lesser depth.

7. Moment magnitude scale - Wikipedia

   en.wikipedia.org/wiki/Moment_magnitude_scale

   Earthquakes. The moment magnitude scale ( MMS; denoted explicitly with M or Mw or Mwg, and generally implied with use of a single M for magnitude [1]) is a measure of an earthquake 's magnitude ("size" or strength) based on its seismic moment. Mw was defined in a 1979 paper by Thomas C. Hanks and Hiroo Kanamori.

8. 5 home modifications for older adults looking to age in place

   www.aol.com/5-home-modifications-older-adults...

   Declutter and create accessible storage. Clutter can present a number of problems for older adults, including increased fall risk, health hazards such as mold and insect infestation, and ...

9. Surface-wave magnitude - Wikipedia

   en.wikipedia.org/wiki/Surface-wave_magnitude

   The surface wave magnitude ( ) scale is one of the magnitude scales used in seismology to describe the size of an earthquake. It is based on measurements of Rayleigh surface waves that travel along the uppermost layers of the Earth. This magnitude scale is related to the local magnitude scale proposed by Charles Francis Richter in 1935, with ...