battlebrick Posted June 24, 2011 Share Posted June 24, 2011 http://earthquake.us.../usc0004f5m.php http://www.google.com/hostednews/ap/article/ALeqM5gpzqaO_S4UCD3NmDkp3FtERCltaw?docId=3495c08910424506ad239fd3bba8042d Link to comment Share on other sites More sharing options...
Scorpion Posted June 24, 2011 Share Posted June 24, 2011 Don't know why they bother with tsunami warnings for a 7.4.. has there ever been a recorded one for a quake that weak? Link to comment Share on other sites More sharing options...
aslkahuna Posted June 24, 2011 Share Posted June 24, 2011 Don't know why they bother with tsunami warnings for a 7.4.. has there ever been a recorded one for a quake that weak? Yes, there was a tsunami with the 7.2 foreshock of the big Japan earthquake. Additionally, earthquakes in the 7.0+ range cause local tsunamis quite frequently in Indonesia and the Solomons. Also local tsunamis occurred along the CA coast off San Luis Obispo in 1812 and 1927 following shocks in the 7.5 range. Steve Link to comment Share on other sites More sharing options...
aslkahuna Posted June 24, 2011 Share Posted June 24, 2011 Let us hope that this is an isolated shock and not a foreshock for a megathrust in the subduction zone of the Aleutians. Steve Link to comment Share on other sites More sharing options...
thewxmann Posted June 24, 2011 Share Posted June 24, 2011 Let us hope that this is an isolated shock and not a foreshock for a megathrust in the subduction zone of the Aleutians. Steve Have there ever been two megathrust earthquakes in a 6-month window? Link to comment Share on other sites More sharing options...
NHLChase54 Posted June 24, 2011 Share Posted June 24, 2011 I read online there were two 7.4's. Is that true? Link to comment Share on other sites More sharing options...
mappy Posted June 24, 2011 Share Posted June 24, 2011 I read online there were two 7.4's. Is that true? No http://earthquake.usgs.gov/earthquakes/recenteqsww/Maps/10/190_50.php http://earthquake.usgs.gov/earthquakes/recenteqsww/Maps/10/190_50_eqs.php Also its been downgraded to 7.2 Link to comment Share on other sites More sharing options...
NHLChase54 Posted June 24, 2011 Share Posted June 24, 2011 Ok cool. Thanks mapgirl! Link to comment Share on other sites More sharing options...
NHLChase54 Posted June 24, 2011 Share Posted June 24, 2011 Have there ever been two megathrust earthquakes in a 6-month window? It would seem fit to have one since japan had theres and the ring of fire has been really active to say the least...I wonder what's gonna happen? Link to comment Share on other sites More sharing options...
NHLChase54 Posted June 24, 2011 Share Posted June 24, 2011 I just wanted to add to that chile was a megathrust too. That means they happened a year apart...idk about 6 months though. Link to comment Share on other sites More sharing options...
LithiaWx Posted June 24, 2011 Share Posted June 24, 2011 The strongest aftershock has been only 4.7. The 9.0 Japanese quake was preceded by a 7.2 two days before. Speculation - Is it common to not have a 5.0+ aftershock after a 7.2? Link to comment Share on other sites More sharing options...
NHLChase54 Posted June 24, 2011 Share Posted June 24, 2011 That's interesting...well hopefully Alaska doesn't get an earthquake that japan had. I think Japan and Hawaii would be in the path of the resulting tsunami, and really the whole west pacific coast. Link to comment Share on other sites More sharing options...
Ed Lizard Posted June 24, 2011 Share Posted June 24, 2011 To: U.S. West Coast, Alaska, and British Columbia coastal regionsFrom: NOAA/NWS/West Coast and Alaska Tsunami Warning Center Subject: Tsunami Warning Cancellation #3 issued 06/23/2011 at 8:19PM AKDT The Tsunami Warning is canceled for the coastal areas from Unimak Pass, Alaska (80 miles NE of Dutch Harbor) to Amchitka Pass, Alaska (125 miles W of Adak). NO destructive tsunami has been recorded, and NO tsunami danger exists along the coasts of the U.S. west coast states, Alaska, and British Columbia. Local authorities can assume all clear upon receipt of this message. At 7:10 PM Alaskan Daylight Time on June 23, an earthquake with preliminary magnitude 7.3 occurred 20 miles/32 Km southeast of Amukta Pass, Alaska . (Refer to the United States Geological Survey for official earthquake parameters.) Pacific coastal regions outside California, Oregon, Washington, British Columbia, and Alaska should refer to the Pacific Tsunami Warning Center messages for information on the event. This will be the last West Coast/Alaska Tsunami Warning Center message issued for this event. To repeat, NO tsunami warning, watch or advisory is in effect for the U.S. West coast states, Alaska, and British Columbia. See the WCATWC web site for basic tsunami information, safety rules, and a tsunami travel time map and table. (NOTE: Travel time maps and tables indicate forecasted times only, not that a wave was generated.) Link to comment Share on other sites More sharing options...
j24vt Posted June 24, 2011 Share Posted June 24, 2011 Time to watch the IR emissions? http://www.technologyreview.com/blog/arxiv/26773/?fb_ref=blog Link to comment Share on other sites More sharing options...
NHLChase54 Posted June 25, 2011 Share Posted June 25, 2011 That's pretty amazing, how everything works in unison. Link to comment Share on other sites More sharing options...
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