famartin Posted March 13, 2011 Share Posted March 13, 2011 Any chance this may lead to the eruption of Mt. Fuji. The previous "largest earthquake in Japan" lead to its eruption 49 days later. You're talking about Kanto yes? I guess its possible, but I believe the epicenter of Kanto was much closer to Fuji than this earthquake's epicenter was. Link to comment Share on other sites More sharing options...
Ian Posted March 13, 2011 Share Posted March 13, 2011 CNN Breaking News - "We are assuming that a meltdown has occurred" at a nuclear power reactor, Japan's chief Cabinet secretary says. edit: wrong thread. oh well. Link to comment Share on other sites More sharing options...
ThePhotoGuy Posted March 13, 2011 Share Posted March 13, 2011 0302: The Japan Times has sobering piece on the sheer force unleashed by the quake, with the claim that the event tilted the Earth's axis by 10cm. BBC http://www.bbc.co.uk/news/world-middle-east-12307698 Link to comment Share on other sites More sharing options...
gkrangers Posted March 13, 2011 Share Posted March 13, 2011 Well, the next time we get an 8.9 earthquake in LA, we'll see what happens Do the California faults have potential that great? Link to comment Share on other sites More sharing options...
Derecho! Posted March 13, 2011 Share Posted March 13, 2011 NHK is announcing the Japan Meteorological Agency has revised the magnitude to 9.0 from 8.8. Link to comment Share on other sites More sharing options...
Derecho! Posted March 13, 2011 Share Posted March 13, 2011 Do the California faults have potential that great? Not the San Andreas. Can't get above 8.4 or so without a subduction fault, just not enough fault plane to rupture. The Cascadia Subduction Zone extends to extreme Northern California and could generate a 9-9.4. Link to comment Share on other sites More sharing options...
Mallow Posted March 13, 2011 Share Posted March 13, 2011 is it commom for aftershocks to occur so far away from the main quake? Yes, since it's a subduction zone earthquake. Indeed, even though the 8.9 has a "center", if I remember correctly, that is just where the first slippage occurred. The actual 8.9 earthquake was a result of a large section of the subduction zone fault slipping. That's illustrated by the box in this USGS map: http://earthquake.usgs.gov/earthquakes/shakemap/global/shake/c0001xgp/ In other words, the star is the "epicenter" of the earthquake, but the box is the actual region that slipped. Link to comment Share on other sites More sharing options...
famartin Posted March 13, 2011 Share Posted March 13, 2011 Not the San Andreas. Can't get above 8.4 or so without a subduction fault, just not enough fault plane to rupture. The Cascadia Subduction Zone extends to extreme Northern California and could generate a 9-9.4. Hence my comment with the Link to comment Share on other sites More sharing options...
Derecho! Posted March 13, 2011 Share Posted March 13, 2011 is it commom for aftershocks to occur so far away from the main quake? The epicenter isn't the quake location; it's just where the rupture started. The fault ruptured over the entire area you see covered by aftershocks. Link to comment Share on other sites More sharing options...
janetjanet998 Posted March 13, 2011 Share Posted March 13, 2011 NHK is announcing the Japan Meteorological Agency has revised the magnitude to 9.0 from 8.8. don't they have a different scale too? a couple of ticks lower? Link to comment Share on other sites More sharing options...
JQPublic Posted March 13, 2011 Share Posted March 13, 2011 You're talking about Kanto yes? I guess its possible, but I believe the epicenter of Kanto was much closer to Fuji than this earthquake's epicenter was. Actually I'm referring to the Hoei earthquake of 1707 Link to comment Share on other sites More sharing options...
HIPPYVALLEY Posted March 13, 2011 Share Posted March 13, 2011 Not the San Andreas. Can't get above 8.4 or so without a subduction fault, just not enough fault plane to rupture. The Cascadia Subduction Zone extends to extreme Northern California and could generate a 9-9.4. What about the New Madrid fault in the S.E. US. What is the magnitude potential there? Link to comment Share on other sites More sharing options...
Hoosier Posted March 13, 2011 Share Posted March 13, 2011 What about the New Madrid fault in the S.E. US. What is the magnitude potential there? About what happened 200 years ago. Link to comment Share on other sites More sharing options...
cmichweather Posted March 13, 2011 Share Posted March 13, 2011 What about the New Madrid fault in the S.E. US. What is the magnitude potential there? mid 8's, but the problem is the subsurface the crust in the east allows for more violent shaking over a larger area, a major in this area would be felt 5-10 times further away then something that hit over the west coast. Link to comment Share on other sites More sharing options...
k*** Posted March 13, 2011 Share Posted March 13, 2011 new madrid is the 1938 of earthquake weenism Link to comment Share on other sites More sharing options...
cmichweather Posted March 13, 2011 Share Posted March 13, 2011 here's a nice graphic to show that Link to comment Share on other sites More sharing options...
Hoosier Posted March 13, 2011 Share Posted March 13, 2011 new madrid is the 1938 of earthquake weenism nice comparison Link to comment Share on other sites More sharing options...
cmichweather Posted March 13, 2011 Share Posted March 13, 2011 new madrid is the 1938 of earthquake weenism when new madrid goes again, st. louis, memphis and little rock will be god awful especially with the lack of earthquake building code, and the severity and amount of shaking that'll occur. Link to comment Share on other sites More sharing options...
HIPPYVALLEY Posted March 13, 2011 Share Posted March 13, 2011 here's a nice graphic to show that Are the most vulnerable faults in the lower 48 mostly west coast? Link to comment Share on other sites More sharing options...
Hoosier Posted March 13, 2011 Share Posted March 13, 2011 when new madrid goes again, st. louis, memphis and little rock will be god awful especially with the lack of earthquake building code, and the severity and amount of shaking that'll occur. If there were another 8.0 anytime soon, it would be the worst natural disaster in US history. More likely is something in the 6-6.9 range in the next 30 to 50 years, which would cause enough problems given all the population/development. Link to comment Share on other sites More sharing options...
HIPPYVALLEY Posted March 13, 2011 Share Posted March 13, 2011 when new madrid goes again, st. louis, memphis and little rock will be god awful especially with the lack of earthquake building code, and the severity and amount of shaking that'll occur. That is a very active fault currently but there is some speculation that the frequent, localized seismic activity N of Little Rock is related to the natural gas 'fracking' tests that are currently being conducted. Link to comment Share on other sites More sharing options...
cmichweather Posted March 13, 2011 Share Posted March 13, 2011 Are the most vulnerable faults in the lower 48 mostly west coast? Ya because the west coast has active fault areas, the new madrid is an intraplate earthquake zone meaning energy builds up slowly in the middle of the plate and doesn't release nearly as frequently as plate boundaries. Link to comment Share on other sites More sharing options...
HIPPYVALLEY Posted March 13, 2011 Share Posted March 13, 2011 If there were another 8.0 anytime soon, it would be the worst natural disaster in US history. This will be by far the worst natural disaster in US history when it finally blows a geological gasket. http://news.nationalgeographic.com/news/2011/01/110119-yellowstone-park-supervolcano-eruption-magma-science/ Link to comment Share on other sites More sharing options...
jburns Posted March 13, 2011 Share Posted March 13, 2011 Amazing. Probably several thousand plus dead and dying from the tsunami. None from radiation. CNN and probably other networks as well coverage 80% reactors, 20% tsunami. Link to comment Share on other sites More sharing options...
HIPPYVALLEY Posted March 13, 2011 Share Posted March 13, 2011 Ya because the west coast has active fault areas, the new madrid is an intraplate earthquake zone meaning energy builds up slowly in the middle of the plate and doesn't release nearly as frequently as plate boundaries. Good explanation. Thanks! Link to comment Share on other sites More sharing options...
cmichweather Posted March 13, 2011 Share Posted March 13, 2011 That is a very active fault currently but there is some speculation that the frequent, localized seismic activity N of Little Rock is related to the natural gas 'fracking' tests that are currently being conducted. Ya it most likely is. I'm talking about a 8.0 or greater like in the 1800's those mini quakes are most likely fracking activity Link to comment Share on other sites More sharing options...
MJW155 Posted March 13, 2011 Share Posted March 13, 2011 Amazing. Probably several thousand plus dead and dying from the tsunami. None from radiation. CNN and probably other networks as well coverage 80% reactors, 20% tsunami. It will be a different story once they get reporters in the area. Link to comment Share on other sites More sharing options...
famartin Posted March 13, 2011 Share Posted March 13, 2011 Amazing. Probably several thousand plus dead and dying from the tsunami. None from radiation. CNN and probably other networks as well coverage 80% reactors, 20% tsunami. Action News, baby. Tsunami done, meltdown not quite. Link to comment Share on other sites More sharing options...
cmichweather Posted March 13, 2011 Share Posted March 13, 2011 Action News, baby. Tsunami done, meltdown not quite. Ya the US news stations can really only report on what NHK and others are visually providing, and i'm sure the tsunami areas have no fly zones right now as military rescue operations are ongoing so they are just reporting on the reactor stuff which is being actively watched and has cameras on it. Link to comment Share on other sites More sharing options...
on_wx Posted March 13, 2011 Share Posted March 13, 2011 BBC says the quake is now a 9.0 Link to comment Share on other sites More sharing options...
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