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PUBLIC RELEASE DATE:
14-Aug-2014

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Contact: Megan Sever
msever@earthmagazine.org
703-379-2480
American Geosciences Institute

EARTH Magazine: Are slow-slip earthquakes under Tokyo stressing faults?

Alexandria, Va. Tokyo, a city of more than 13 million people, has been devastated by earthquakes in the past and likely will be again. But when? And what role do ongoing slow-slip earthquakes the kind that generally can't be felt at the surface play in relieving or building up stress?

New research examining plate movements under Tokyo has found that since the massive magnitude-9 Tohoku earthquake and tsunami in March 2011, recurrence intervals for nondamaging slow-slip quakes beneath Japan's capital have shortened. That has left seismologists wondering if this aseismic creep could be signaling a countdown to Tokyo's next "big one." Read more about scientists' estimations of Tokyo's seismic risk in the August issue of EARTH Magazine: http://bit.ly/1rOXM3R.

For more stories about the science of our planet, check out EARTH magazine online or subscribe at http://www.earthmagazine.org. The August issue, now available on the digital newsstand, features stories about a Pompeii-like eruption that buried a group of dinosaurs, ancient seawater found beneath the Chesapeake Bay crater, and a geologic tour of Northern Ireland's Causeway Coast, plus much, much more.

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Keep up to date with the latest happenings in Earth, energy and environment news with EARTH magazine online at: http://www.earthmagazine.org/. Published by the American Geosciences Institute, EARTH is your source for the science behind the headlines.

The American Geosciences Institute is a nonprofit federation of 49 geoscientific and professional associations that represents more than 250,000 geologists, geophysicists and other earth scientists. Founded in 1948, AGI provides information services to geoscientists, serves as a voice of shared interests in the profession, plays a major role in strengthening geoscience education, and strives to increase public awareness of the vital role the geosciences play in society's use of resources, resiliency to natural hazards, and interaction with the environment.



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