News articles tagged with 'magnitude'
Japan quake may have shortened Earth days, moved axis
— 15 Mar 2011 20:59 | Geology and palaeontologyThe March 11, magnitude 9.0 earthquake in Japan may have shortened the length of each Earth day and shifted its axis. But don't worry-you won't notice the difference…
WHOI experts stress lessons from Japan earthquake
— 14 Mar 2011 20:18 | Geology and palaeontologyWhile Japan's 8.9-magnitude earthquake and accompanying tsunami represent a devastating natural disaster for the country's residents, scientists should also seize upon the massive temblor…
New system can warn of tsunamis within minutes
— 5 Mar 2011 13:30 | EnvironmentSeismologists have developed a new system that could be used to warn future populations of an impending tsunami only minutes after the initial earthquake. The system, known as RTerg,…
New Zealand earthquake damage illustrates risks posed by shallow crustal faults
— 23 Feb 2011 19:44 | Geology and palaeontologyThe terribly destructive earthquake that just hit Christchurch, New Zealand, was only a moderate 6.3 magnitude, but had certain characteristics that offer an important lesson to cities…
A tectonic zip
— 10 Sep 2010 11:55 | Geology and palaeontologyThe complex fracture pattern created by the earthquake in Concepcion (Chile) on 27 February 2010 was to a certain extent predictable. GPS observations from the years before the earthquake…
Major moral decisions use general-purpose brain circuits to manage uncertainty
— 26 Aug 2010 09:37 | HealthScientists at Harvard University have found that humans can make difficult moral decisions using the same brain circuits as those used in more mundane choices related to money and food…
Big quakes more frequent than thought on San Andreas fault
— 21 Aug 2010 07:49 | Geology and palaeontologyEarthquakes have rocked the powerful San Andreas fault that splits California far more often than previously thought, according to UC Irvine and Arizona State University researchers…
Not 1, but 2 great earthquakes caused 2009 Samoa-Tonga tsunami disaster
— 19 Aug 2010 09:58 | Geology and palaeontologyScientists studying the massive earthquake that struck the South Pacific on September 29, 2009, have found that it actually involved two great earthquakes: an initial one with magnitude…
New areas prone to moderate earthquakes identified in Iberian Peninsula
— 23 Jun 2010 11:36 | Geology and palaeontologySome areas of the Iberian Peninsula, where earthquakes of moderate magnitude have never yet been recorded, such as certain parts of the Cordillera Cantabrica mountain range, the far…
Like fireflies, earthquakes may fire in synchrony
— 19 Jun 2010 10:46 | Geology and palaeontologyIn nature, random signals often fall mysteriously in step. Fireflies flashing sporadically in early evening soon flash together, and the same harmonic behaviour can be seen in chirping…