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The Latest Breaking News from Cascadia

The Cascadia Subduction zone isn’t shutting down – but it’s more complicated than we thought

Recent seismic imaging off Vancouver Island has revealed something extraordinary: a tear in the subducting oceanic plate beneath the Cascadia Subduction Zone.

The Conversation

Scars from ancient 'megaquakes' at Cascadia subduction zone discovered in deep-sea landslides

Large subduction-zone earthquakes leave scars on the continental slope in the deep sea.

LiveScience

Fragment of lost tectonic plate discovered where San Andreas and Cascadia faults meet

A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating earthquake risk at the Cascadia subduction zone.

LiveScience

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Ruptures from 'silent' earthquakes deep in Earth's crust can heal themselves within hours

Researchers re-created the conditions deep inside the Cascadia subduction zone and found that fractured rocks can repair themselves during, or just hours after, slow-motion earthquakes.

LiveScience

Link between Cascadia and San Andreas Fault earthquakes discovered 30 years after lost vessel stumbled across key data

Geological records hint that earthquakes at the Cascadia subduction zone might trigger the San Andreas Fault.

LiveScience

US west coast faults could trigger catastrophic back-to-back earthquakes, study finds

Study shows high-magnitude temblor in north-west could set off another in California, causing unrivaled disaster

The Guardian - US

Mystery quake that rocked Northern California in 1954 came from 'eerily quiet' Cascadia Subduction Zone

Scientists link a magnitude 6.5 earthquake that shook Humboldt Bay, California, 71 years ago to the "locked" Cascadia Subduction Zone.

LiveScience

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Could a Mega Tsunami Hit the US? Experts Reveal 15% Risk of Devastating Disaster within 50 Years

A new study reveals a 15% risk of a mega-tsunami hitting the US within 50 years. Triggered by the Cascadia Subduction Zone, waves up to 1,000 feet could devastate Seattle, Portland and coastal communities.

International Business Times UK

Mega-Tsunami Threat Could Devastate Northern California, Oregon and Washington, Study Warns

Experts warn of a potential mega-tsunami threatening Northern California, Oregon, and Washington. This catastrophic wave could arise from powerful earthquakes along the Cascadia subduction zone.

International Business Times UK

Scientists warn 1,000-foot ‘mega-tsunami’ could wipe part of America off the map

Alaska, Hawaii and areas along the mainland West Coast would be at risk if an earthquake erupts along the Cascadia subduction zone within the next 50 years.

The Independent UK

'The Big One' could rock the Pacific Northwest and fuel sea-level rise and massive flooding

The geology of the Cascadia subduction zone has largely staved off climate-related sea-level rise in the Pacific Northwest, but that could reverse in an instant.

LiveScience

'The difference between alarming and catastrophic': Cascadia megafault has 1 especially deadly section, new map reveals

The Cascadia subduction zone is more complex than researchers previously knew. The new finding could help scientists better understand the risk from future earthquakes.

LiveScience

Scientists find weird holes on the ocean floor spewing ancient fluids 'like a fire hose'

Understanding the movement of fluids in the Cascadia subduction zone can help researchers pinpoint the risk of earthquakes

LiveScience

A mega-tsunami in the Pacific north-west? It could be worse than predicted, study says

Scientists uncover worrying news about faults including Cascadia, which runs from Vancouver Island to northern California

The Guardian - US

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The Independent UK

Oregon seeks to avert environmental catastrophe from quake

More than 90% of Oregon’s liquid fuels are stored at a facility next to the Willamette River in Portland

People

Evan Solomon

12 stories

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