Page 14 - Subduction Zone News Today : Breaking News, Live Updates & Top Stories | Vimarsana

There are two plate boundaries here. this is a small plate that's moving below washington and oregon. and it's moving along this trench. this is called a subduction zone and causes volcanos in the cascade range and earthquakes along the coast. >> this looks relatively far away from seattle. should people take comfort in it that it's not right there? >> it is relatively far away from seattle. there won't be that much shaking, perhaps, or the shaking will be somewhat attenuated. the problem here might be a coastal tsunami just like we saw in chile. >> let's go to jakarta, indonesia. the whole re...

California past oregon, washington into british columbia that is a subduction zone where the plates are colliding together. there is the potential for an 8.5 or 9 earthquake there that would cause substantial shaking and a tsunami. so, of course, in that part of the country we need to prepare for large amounts of shaking and prepare the coast to warn the citizens in case a wave would be coming in the future. >> i notice that's not just the west coast with danger areas. >> that's right. there is seismic hazard in 39 of the states. 79 million americans are at risk for sies miracle shaking. one z...

Study from university of california at davis found quake that sparked 2004 tsunami may have contributed to other earthquakes in california. we are joined by seismologist from the california of davis. everybody is scared right now when they think about the earthquake and mudslides and flooding and the mother nature-related events. makes you wonder if it happened in chichile, could an earthquake of that manage any tuesday happen in the u.s. -- magnitude happen in the u.s.? >> it wouldn't because we don't have the subduction zone, the fault like in chile. but there is one over the coast of oregon...

Let's make this 800 times more powerful than the haitian earthquake. that's what happened last night under the water. very close to the coast of chile. and why does it matter that it was very close? well, it's part of where this subduction zone is. we talk about the trench that's offshore. we talk about one plate. these plates that are all moving around the earth and have been for millions of years. this plate shifted underneath the land, underneath the water and the water budged out. as the water bulged like throwing a giant stone into the ocean, now there's a wave bubble that's coming, comin...

Perhaps minutes away from the islands of hawaii being hit by dangerous waves spawned by a tsunami and all that triggered by that earthquake, in the weather center, you, too have been watching the images coming out of hawaii. extraordinary images coming out of chile. xpleet polar opposites here but they're related. >> yeah, absolutely. it's the action with the earthquake, actually, that causes the tsunami to happen. this is a subduction zone off the coast of chile. it lifts up the crust of the earth which then pushes the water and then you start to see that move on to the shoreline. and that pr...