News tagged with plate boundaries

Old fractures caused rare 8.6 magnitude earthquake

On 11 April 2012, an 8.6 magnitude earthquake occurred 100 kilometers (62 miles) off the coast of Sumatra. This earthquake was unusual in that it originated within the plate rather than at a plate boundary. In fact, it is ...

Aug 31, 2012
4.9 / 5 (10) 3 | with audio podcast

Scientists explain scale of Japanese tsunami

Scientists at Cambridge University have developed a model that may show why some tsunamis—including the one that devastated Japan in March 2011ar—e so much larger than expected. The Japanese tsunami baffled ...

Aug 24, 2012
4.5 / 5 (8) 6 | with audio podcast

Beneath the surface

It was the geological collision between India and Asia millions of years ago that created one of the world's most distinctive places: The area around Lake Baikal in Siberia, which contains 20 per cent of the world's fresh ...

Feb 11, 2009
5 / 5 (6) 0

Studying ancient Earth's geochemistry

Researchers still have much to learn about the volcanism that shaped our planet's early history. New evidence from a team led by Carnegie's Frances Jenner demonstrates that some of the tectonic processes driving volcanic ...

Jan 18, 2013
4.8 / 5 (5) 1 | with audio podcast

Time to shift view of seismic risk - experts

Knowledge of seismic risk is badly skewed in favour of earthquakes that occur on plate boundaries, such as the March 11 temblor that hit northeast Japan, rather than those that strike deep inland, a pair of ...

May 22, 2011
4.2 / 5 (5) 2