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Latest Cascadia subduction zone Stories

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2011-04-19 10:20:14

The massive subduction zone earthquake in Japan caused a significant level of soil “liquefaction” that has surprised researchers with its widespread severity, a new analysis shows.

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2010-12-13 11:49:04

Every 15 months or so, an unfelt earthquake occurs in western Washington and travels northward to Canada's Vancouver Island.

2010-05-24 11:33:10

The major earthquakes that devastated Chile earlier this year and which triggered the catastrophic Indonesian tsunami of 2004 are more than just a distinct possibility to strike the Pacific Northwest coast of the United States, scientists say.

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2010-03-03 15:35:00

An earthquake hotspot just 50 miles off the Pacific Northwest coast is on the verge of unleashing itself on Seattle, Portland and Vancouver, similar to the damage that shattered Chile.

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2009-12-23 14:50:00

Link to earthquakes unclear, but tremors seem to increase stress on shallower fracture zone.

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2009-12-16 07:55:00

For most of a decade, scientists have documented unfelt and slow-moving seismic events, called episodic tremor and slip, showing up in regular cycles under the Olympic Peninsula of Washington state and Vancouver Island in British Columbia.

98b4a9a9cdd61dbc4b0f78de7e1df2971
2009-10-19 14:13:51

Some time soon, a powerful earthquake will trigger a massive tsunami that will flood the Pacific Northwest, destroying homes and threatening the lives of tens of thousands of people.

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2009-07-10 06:25:00

A spike in mysterious underground rumblings observed on a section of the San Andreas fault near Parkfield, California, could indicate a build-up of stress and an increased likelihood of a major earthquake.

2009-06-11 07:48:16

A new study evaluates expected ground motion in Seattle, Victoria and Vancouver from earthquakes of magnitude 7.5 - 9.0, providing engineers and policymakers with a new tool to build or retrofit structures to withstand seismic waves from large "subduction" earthquakes off the continent's west coast.

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2009-04-10 12:15:00

Seattle's tallest buildings are at risk of collapse during a rupture of the Cascadia fault zone in the Pacific Northwest, say US seismic experts.


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  • A member of the swell-mob; a genteelly clad pickpocket. Sometimes mobsman.
Use of the word 'swell-mobsman' dates at least to the early 1800s.