This is an archive of AGU's GeoSpace blog through 1 July 2020. New content about AGU research can be found on Eos and the AGU newsroom.

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1 May 2017

Study of historic Chilean quake warns of a future tsunami

The most populated central region of Chile could be vulnerable to large tsunamis generated by a deceptively moderate kind of earthquake that might be overdue, say scientists who have sorted out the source of an earthquake and tsunami that struck the area 287 years ago. The region is the same that trembled from a magnitude 6.9 earthquake on April 24.


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2 March 2010

A hectic weekend at the Pacific Tsunami Warning Center

Brian Shiro is a geophysicist who has been working at the Pacific Tsunami Warning Center (PTWC) for over four years. On a normal work day, his tasks go from checking that the warning system works to maintaining the center’s website and working on expanding Hawaii’s seismic network. But last weekend, after a 8.8 magnitude earthquake hit Chile and a Pacific-wide tsunami alert was issued for the first time since 1964. …


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