News tagged with powerful earthquakes

Fingerprinting slow earthquakes (w/Podcast)

Space & Earth / Earth Sciences

Apr 23, 2009 | 4 / 5 (4) | 0

(PhysOrg.com) -- The most powerful earthquakes happen at the junction of two converging tectonic plates, where one plate is sliding (or subducting) beneath the other. Now a team of researchers, led by Teh-Ru ...

Ancient Architecture Makes Italian Earthquakes Deadly, Professor Says

Space & Earth / Earth Sciences

Apr 06, 2009 | not rated yet | 0

A University of Colorado at Boulder professor says the powerful earthquake that knocked down buildings and killed at least 130 people in and around the medieval city of L'Aquila in Italy April 6 is a continuation of violent ...

Asia-Pacific quakes herald a disaster? Experts say no

Space & Earth / Earth Sciences

Aug 23, 2009 | 5 / 5 (1) | 0

Powerful earthquakes that have jolted Asia recently do not presage a disaster, although it is only a matter of time before the next catastrophe befalls the quake-prone region, seismologists say.

Locations of strain, slip identified in major earthquake fault

Space & Earth / Earth Sciences

Feb 15, 2009 | 4.8 / 5 (4) | 0

Deep-sea drilling into one of the most active earthquake zones on the planet is providing the first direct look at the geophysical fault properties underlying some of the world's largest earthquakes and tsunamis.

New monitoring stations detect 'silent earthquakes' in Costa Rica

Space & Earth / Earth Sciences

Feb 15, 2009 | 4.5 / 5 (2) | 1

After installing an extensive network of monitoring stations in Costa Rica, researchers have detected slow slip events (also known as "silent earthquakes") along a major fault zone beneath the Nicoya Peninsula. These findings ...

Mountain spine is a quake hotspot

Space & Earth / Earth Sciences

Apr 06, 2009 | 4 / 5 (1) | 0

Scientists said a killer earthquake that struck central Italy on Monday occurred in a notorious trouble spot and warned further powerful shocks in the coming months could not be ruled out.

New study cites lower rate of quakes along some subduction zones

Space & Earth / Earth Sciences

Dec 04, 2009 | not rated yet | 0

Most earthquakes occur along fault lines, which form boundaries between two tectonic plates. As the relative speed of the plates around a fault increases, is there a corresponding increase in the number of earthquakes produced ...

Stress buildup precedes large Sumatra quakes

Space & Earth / Earth Sciences

May 28, 2008 | 4.8 / 5 (12) | 1

The island of Sumatra, Indonesia, has shaken many times with powerful earthquakes since the one that wrought the infamous 2004 Indian Ocean tsunami. Now, scientists from the California Institute of Technology and the Indonesian ...

Deep-sea drilling yields clues to mega-earthquakes

Space & Earth / Earth Sciences

Dec 12, 2007 | 4.1 / 5 (8) | 1

During a successful first expedition to one of the most active earthquake fault zones on the planet, scientists unearthed initial clues to the geophysical fault properties that may underlie devastating earthquakes and tsunamis.

Small faults in Southeast Spain reduce earthquake risk of larger ones

Space & Earth / Earth Sciences

Nov 25, 2009 | not rated yet | 0

A team of Spanish scientists, studying recent, active deformations in the Baetic mountain range, have shown that the activity of smaller tectonic structures close to larger faults in the south east of the ...

New insights into centre of the Earth

Space & Earth / Earth Sciences

Aug 15, 2008 | 4.4 / 5 (30) | 2

A new observation of the very deepest part of the Earth, the solid inner core, has been reported this week in Nature. The team from the University of Bristol also observed intriguing evidence of a ‘texture’ in the ...

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