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  1. ...39;t know if you are talking about "What is an earthquake?" Anyway, if you are asking what is an earthquake...

    3 Answers · Science & Mathematics · 04/03/2007

  2. Most earthquakes occur within how many kilometres of the surface? c. 70 Question 2... on energy released. a. TRUE Question 4 An earthquake measuring 5 on the Richter scale has 100 times...

    2 Answers · Science & Mathematics · 20/06/2013

  3. Earthquakes take place on a daily basis. Geologists have seismometers set up...by humans. Also, volcanic eruptions don't normally cause earthquakes. The pressure that is built up in the mantle is ...

    5 Answers · Society & Culture · 27/07/2009

  4. Earthquakes are caused by sudden movements in the Earths ...thickness worldwide. The uppermost 15-35 km of crust is brittle enough to produce earthquakes. lithosphere. The outer solid part of the earth, including the crust and...

    1 Answers · Science & Mathematics · 26/04/2012

  5. Yes it is normal. http://earthquake.usgs.gov/earthquakes/eqarchives/year/...

    3 Answers · Environment · 15/11/2012

  6. ...do, or if it is an artifact from human perception *post* earthquake (i.e. thinking back on the earthquake, we think, "... wave that travels the fastest from the earthquake source and arrives before the larger S...

    2 Answers · Science & Mathematics · 22/06/2013

  7. the earthquake's intensity is the measure, in terms of degrees, of damage... a way of measuring or rating the effects of an earthquake at different sites. The Modified Mercalli ...

    1 Answers · Science & Mathematics · 29/05/2009

  8. ... and 13 been injured as an earthquake with a magnitude of 7.5 shook southern Africa... news agency by telephone. Major earthquakes are unusual in southern Africa. "...

    8 Answers · Science & Mathematics · 17/09/2011

  9. ...4 types of waves generated by earthquakes. 1. Primary wave or compression wave. The... focus. That is the point where the earthquake starts. Therefore these waves...

    3 Answers · Science & Mathematics · 19/01/2009

  10. The largest major earthquakes happen about every 500years, so it is unlikely to happen anytime soon. It may...

    4 Answers · Science & Mathematics · 31/12/2015

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