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Latest Seismology Stories

science-082311-007UPDATE
2011-08-23 19:03:28

Virginia was rocked by a 5.9 magnitude earthquake on Tuesday that was felt all the way into New York City and beyond.

2011-08-11 07:40:00

DDH 11 CBN 108: 84.77 m @ 0.71 g/t Au DDH 11 CBN 112: 71.50 m @ 0.51 g/t Au DDH 11 CBN 116: 94.80 m @ 0.53 g/t Au TSX: GGA  VANCOUVER, Aug. 11, 2011 /PRNewswire/ - Goldgroup Mining Inc.

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2011-08-08 14:07:02

MIT researchers report that they have reconstructed Baja California's 2010 "Easter Earthquakes."

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2011-07-19 09:30:41

Japan's March 11 Tohoku Earthquake is among the strongest ever recorded, and because it struck one of the world's most heavily instrumented seismic zones, this natural disaster is providing scientists with a treasure trove of data on rare magnitude 9 earthquakes.

2011-07-15 19:41:00

SCOTTSDALE, Ariz., July 15, 2011 /PRNewswire/ -- Digitexx Data Systems, Inc. has launched REFLEXX Smart System for Buildings, a new damage detection and performance evaluation reporting system that provides essential structural health data in less than 15 minutes.

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2011-06-28 07:25:33

Study finds that faults beneath the Salton Sea ruptured during Colorado River floods and may have triggered large earthquakes on the southern San Andreas Fault.

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2011-06-13 07:30:00

A series of powerful aftershocks rocked the already quake-battered New Zealand city of Christchurch Monday, destroying one of the few remaining buildings downtown and throwing thousands of residents into darkness.


Latest Seismology Reference Libraries

Seismology
2014-01-12 00:00:00

Seismology is the scientific study of earthquakes and the spread of elastic waves through the Earth or through other planet-like bodies. The field includes studies of earthquake effects, such as tsunamis in addition to diverse seismic sources such as tectonic, volcanic, oceanic, atmospheric, and artificial processes. A related field that utilizes geology to infer information regarding past earthquakes is paleoseismology. A recording of earth motion as a function of time is a seismogram. A...

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2010-11-15 18:30:29

The Richter scale assigns a single number to quantify the amount of seismic energy released by an earthquake. The scale uses a base-10 logarithm by calculating the logarithm of the combined horizontal amplitude of the largest displacement from zero on a particular type of seismometer. A earthquake measuring 5.0 on the Richter scale has a shaking amplitude 10 times larger than one that measures 4.0. The moment magnitude, calibrated to give generally similar value for medium-sized...

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2010-10-07 16:05:32

The Seismometer is an instrument designed to measure the motions of the ground. This includes seismic waves generated by earthquakes, nuclear explosions, and other seismic sources. Records of these activities allow seismologists to map the interior of the Earth, and locate and measure the size of the different sources. There are also seismographs, which is sometimes used in place of the word seismometer. However, a seismograph is the older instrument in which the measuring and recording...

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Word of the Day
upstander
  • A person who stands up for something, as contrasted to a bystander who remains inactive.
  • One of the upright handlebars on a traditional Inuit sled.
The word 'upstander' in the first sense here is a play on the word 'bystander' and the idea of 'standing up' for something.