Page 9 - Subduction Zone News Today : Breaking News, Live Updates & Top Stories | Vimarsana

When sea sediment melts inside the Earth, it helps tectonic plates slide over one another smoothly.

Doorframe but this thing was so powerful, it sent things swinging. the lawyer here and this is being relayed by the associated press, this attorney says it's the worst he's seen in the eight years he's lived in anchorage. i know you're getting some reports he mentioned, that employee of senator lisa murkowski's office, what else did you learn? 's demand that nerves are rattled a bit, one thing i can tell you is the pacific northwest seismic network again with major operation here monitors says it's happened north of the subduction zone. a lot of people back east, big one is going to happen wit...

This point mckenzie is just across cook inlet. done some stories on the bridge to nowhere. one of those bridges to nowhere was supposed to cross over that area of the cook inlet, to point mckenzie's there was a heavily populated area just north of anchorage, but you mentioned about the tsunami warnings, its interest interesting because you're talking about smaller waves in the inlet but those tsunami warnings have not been issued further down the coast into seattle so i talked to the seismology folks in seattle and not a quake that they worry about that the big one happening out here, this was...

Front but because that great compression is continuing to go on, then behind that fault further north there's a lot of smaller faults that handle things getting redistributed and this is one of the faults on the backside of the subduction zone but the earth is active with big pieces of it moving around and the pa sick ocean under alaska is one of the biggest pieces of that plate tectonic stance. >> lucy, thank you so much for joining me today and helping us understand this. an earthquake that hit alaska in the last several hours, magnitude 7.0. we'll keep you on this breaking news story throug...

And they're saying this isn't even the big one. how can that be? >> the big one was in 1960, 9.5 and over land. that's a big one. another thing going on here, this is a subduction zone, the line between two plates, the south american plate here the nazca plate, diving under the south american plate, building the andy mountains, doing that for millions and millions of years. the problem with the big earthquakes we see here, unlike other subduction zones, this is the crease here, this plate would be diving below this plate here, which is just sitting here. this was a thrust fault. so as these ca...