NewsBlaze search box Daily News header

Earthquake Facts - Major Pacific Basin Quake

By  

An earthquake currently rated 8.9 on the logarithmic 1-10 Richter scale has hit northeast of Tokyo near Honshu, Japan.

A people finder site is located at

http://japan.person-finder.appspot.com/

The site was tracking nearly 6,000 people by 8 a.m. EST, about the time the initial tsunami wave hit Hawaii.

The Richter scale, a coarse overall estimate of the power of a quake, is a base-10 logarithmic scale, which means the energy released by a quake rated 8 is about 10 times greater than that of a 7 and 100 times greater than a 6.

Earthquake ratings can be adjusted slightly after more measurements are made.

There are other ways to measure the force of a quake and the damage depends on the kind of ground and the sort of buildings (if any) in the area.

An 8.9 earthquake is a major event that, in this instance, also generated a tsunami.

Earthquakes usually also result in aftershocks that can be extremely damaging, especially because the local infrastructure is already weakened by the initial quake.

The initial quake occurred at

Friday, March 11, 2011 at 05:46:23 UTC
Friday, March 11, 2011 at 02:46:23 PM at epicenter

http://earthquake.usgs.gov/earthquakes/eqinthenews/2011/usc0001xgp/

This quake was located 15 miles under the surface and generated a tsunami warning for the Pacific Basin.

38.322°N, 142.369°E

http://earthquake.usgs.gov/

Pacific Tsunami Warning Center

http://www.weather.gov/ptwc/

Scientists say earthquakes usually occur when various sections of the earth's crust, particularly the tectonic plates that move around and have changed the position of the continents, move either sideways or push over or under another segment.

Of course, this explanation is based on the theory that the planet is billions of years old and keeps changing. In Norse mythology quakes were blamed on Loki. In Japanese mythology the giant catfish Namazu causes them.

This is a good time to recall that normally quiet areas such as the central U.S. can still experience major earthquakes such as the massive 1811-1812 New Madrid quake.

http://earthquake.usgs.gov/regional/ceus/

Find earthquake information geared to kids at
http://earthquake.usgs.gov/learn/kids/

John McCormick is a reporter, /science/medical columnist and finance and social commentator, with 17,000+ bylined stories. Contact John through NewsBlaze.

  Please leave a comment here     If it does not display within 10 seconds, please refresh the page

Related World News News

Ronjeet Ronghang and Mohon Rongpi, both convenors allege the CEM is answerable as to how out of total subsidized schematic amount of Rs. 150, 52, 00002/- work has been settled against Rs.19,58,334,.34/- through tender process and for the
Secretary Kerry said rising seas because of climate change threaten low-lying lands, from Bangladesh to the Pacific and Caribbean Islands.
After several months of peace, assaults on media persons were reported in various parts of India in June 2015. Two journalists were killed and one escaped death.
The signing ceremony was attended by Ramtane Lamamra, foreign minister of Algeria and Tuareg rebels. Algeria was hailed for leading international efforts to mediate the peace talks.
Guwahati city police crime branch received a tip that lead to the arrest of ANLA C-in-C Suber Sangma, its Physical and Drill Instructors George Sangma, Buttu Sangma and their cadres.
Accused Naliram Kro confessed his guilt, and was sent to Diphu court and the bodies of the three deceased were sent to Diphu civil hospital for post-mortem.

 

NewsBlaze Writers Of The Month


Popular Stories This Month

newsletter logo

NewsBlaze
Copyright © 2004-2014 NewsBlaze Pty. Ltd.
Use of this website is subject to our Terms of Service and Privacy Policy  | DMCA Notice               Press Room   |    Visit NewsBlaze Mobile Site