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Humanitarian response. Legacy. In popular culture. See also. References. External links. 2004 Indian Ocean earthquake and tsunami. Coordinates: 3.316°N 95.854°E. On 26 December 2004, at 07:58:53 local time ( UTC+7 ), a major earthquake with a magnitude of 9.2–9.3 Mw struck with an epicentre off the west coast of northern Sumatra, Indonesia.
- 227,898 dead
- 9.1–9.3 '"`UNIQ--templatestyles-00000013-QINU`"'Mw
The April 2015 Nepal earthquake (also known as the Gorkha earthquake) [7] [11] killed 8,962 people in Nepal and injured 21,952 more. It occurred at 11:56 Nepal Standard Time on Saturday 25 April 2015, with a magnitude of 7.8 M w [1] or 8.1 M s [12] and a maximum Mercalli Intensity of X ( Extreme ). Its epicenter was east of Gorkha District at ...
- 25 April 2015
- 11:56:25 NST
- 2015-04-25 06:11:25
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At least 19,747 people killed, 2,556 missing, 6,242 injured, 130,927 displaced and at least 332,395 buildings, 2,126 roads, 56 bridges and 26 railways destroyed or damaged by the earthquake and tsunami along the entire east coast of Honshu from Chiba to Aomori . 2011 Tōhoku earthquake and tsunami. March 11.
- Development
- Details
- Richter Magnitudes
- Magnitude Empirical Formulae
- External Links
Prior to the development of the magnitude scale, the only measure of an earthquake's strength or "size" was a subjective assessment of the intensity of shaking observed near the epicenter of the earthquake, categorized by various seismic intensity scales such as the Rossi-Forel scale. ("Size" is used in the sense of the quantity of energy released,...
The Richter scale was defined in 1935 for particular circumstances and instruments; the particular circumstances refer to it being defined for Southern California and "implicitly incorporates the attenuative properties of Southern California crust and mantle." The particular instrument used would become saturated by strong earthquakes and unable to...
The Richter magnitude of an earthquake is determined from the logarithm of the amplitude of waves recorded by seismographs (adjustments are included to compensate for the variation in the distance between the various seismographs and the epicenterof the earthquake). The original formula is: 1. M L = log 10 A − log 10 A 0 ( δ ) = log 10 [ A / ...
These formulae for Richter magnitude ML are alternatives to using Richter correlation tables based on Richter standard seismic event (M L = 0 {\displaystyle M_{\mathrm {L} }=0} , A = 0.001 m m {\displaystyle A=0.001\mathrm {mm} } , D = 100 k m {\displaystyle D=100\mathrm {km} } ). Below, Δ {\displaystyle \textstyle \Delta } is the epicentral distan...
Seismic Monitor – IRIS ConsortiumPerspective: a graphical comparison of earthquake energy release – Pacific Tsunami Warning CenterThe Ring of Fire (also known as the Pacific Ring of Fire, the Rim of Fire, the Girdle of Fire or the Circum-Pacific belt) [note 1] is a tectonic belt of volcanoes and earthquakes. It is about 40,000 km (25,000 mi) long [1] and up to about 500 km (310 mi) wide, [2] and surrounds most of the Pacific Ocean. The Ring of Fire contains between 750 ...
Choe Tae-won. McCune–Reischauer. Ch'oe T'aewŏn. Chey Tae-won (born December 3, 1960), also known by his English name Anthony Chey, [1] is a South Korean business magnate. He is the chairman of SK Group, Korea's second largest conglomerate [2] that mainly engages in energy, chemicals, telecommunications, semiconductor, and biopharmaceutical ...
Rabindranath Tagore FRAS (/rəˈbɪndrənɑːt tæˈɡɔːr/ ⓘ; pronounced [roˈbindɾonatʰ ˈʈʰakuɾ];[1] 7 May 1861[2] – 7 August 1941[3]) was a Bengali polymath who was active as a poet, writer, playwright, composer, philosopher, social reformer, and painter during the age of Bengal Renaissance.[4][5][6] He reshaped Bengali ...
