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Latest Seismology Stories

2015-03-04 20:21:16

HOUSTON, March 4, 2015 /PRNewswire/ -- Geokinetics Inc., is pleased to announce the successful deployment of its AquaVib(TM) Marine Vibrator, in full production mode, on a Geokinetics ocean

ice
2015-02-20 16:03:16

Chuck Bednar for redOrbit.com - @BednarChuck If you’re one of the Tennessee residents that has been awakened by loud explosions recently, you have an unusual weather phenomenon known as cryoseisms to thank for your lack of sleep. What is a cryoseism? According to WKRN News in Nashville, several people living in middle Tennessee have heard what they describe as “loud booms” or “explosions” in the middle of the night. Some have called the local news or even 911 believing that...

2015-01-22 23:10:06

Christopher Wells Construction, a San Francisco Bay Area contractor, cited the Mandatory Seismic Retrofit Program Ordinance, as a reason why many San Francisco residents still need to upgrade

Tectonic Plates
2015-01-20 09:49:30

Sudden tectonic plate movements have puzzled scientists for decades, but now they believe they have the answer. And like fried chicken, it's all in the crust.

2015-01-15 16:26:07

Registration is open from January 15 to February 15 SACRAMENTO, Calif., Jan.

98997215
2015-01-09 15:29:33

Fans packing CenturyLink Field in Seattle this weekend won’t just be there to root on their beloved Seahawks during their NFL playoff game against the Carolina Panthers – they’ll also be helping seismologists test out an early warning system for earthquakes.

earthquake science 1
2014-11-18 07:04:00

A new study, led by the University of South Florida geologist Tim Dixon, has found that the size of large-scale disasters such as earthquakes and tsunamis could be predicted by subtle shifts in the planet’s offshore plates.

seismometer
2014-11-10 05:24:48

A swarm of seismic activity affecting a secluded area of northwestern Nevada has increased in intensity over the past few days, leading seismologists to issue new warnings about the possibility of a large earthquake occurring in the near future.

2014-10-27 23:09:37

At California’s Seismic Safety Commission meetings this month, the impact of technology and mass messaging for early earthquake warnings was a major theme.


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...

0_5badd37024d78e3386e67ababbfe35a0
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...

0_2d32b95d634235dd48b1f1b3e5949a2e
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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ethnarch
  • The governor of a province or people.
The word 'ethnarch' comes from a Greek word meaning 'ruler of a tribe or nation'.
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