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The Richter scale[ 1] ( / ˈrɪktər / ), also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale, [ 2] is a measure of the strength of earthquakes, developed by Charles Richter in collaboration with Beno Gutenberg, and presented in Richter's landmark 1935 paper, where he called it the "magnitude ...
The Age of Earthquakes is directly inspired by Quentin Fiore's experimental style he made famous in The Medium is the Massage. For The Age of Earthquakes, graphic designer Wayne Daly took familiar visual cues from contemporary apps and other screen based matter, and translated them onto the printed page, in stark black and white. The text ...
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.
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 ).
An earthquake's seismic moment can be estimated in various ways, which are the bases of the M wb, M wr, M wc, M ww, M wp, M i, and M wpd scales, all subtypes of the generic M w scale. See Moment magnitude scale § Subtypes for details. Seismic moment is considered the most objective measure of an earthquake's "size" in regard of total energy. [50]
The most recent major earthquake was the 2024 Hualien earthquake, and the most recent major earthquake with a high death toll was the 921 earthquake, which struck on 21 September 1999, and claimed 2,415 lives. Many modern buildings in Taiwan are constructed with earthquake safety in mind, including Taipei 101, which had to cope with the dual ...
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 ...
Foreshock activity has been detected for about 40% of all moderate to large earthquakes, [2] and about 70% for events of M>7.0. [3] They occur from a matter of minutes to days or even longer before the main shock; for example, the 2002 Sumatra earthquake is regarded as a foreshock of the 2004 Indian Ocean earthquake with a delay of more than two years between the two events.
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