Posted on 04/07/2011 7:49:24 AM PDT by Sprite518
Prayers for Japan and for everyone’s safety!
Really, man. This is just beyond the pale.
Yes , the Japanese as a whole possess an exceptional quality - the unbreakable human spirit . I oughta know ; I’ve lived in Japan for 25 years .
I watch NHK World here in Los Angeles. That has been my main source for extended coverage. Actually, it’s pretty much my only source. Sooooo......
I ((((heart)))) Japan.
Happy Belated Birthday Dita ((((Hugs)))))
I fear you are correct - given the numbers of quakes around the world of late, CA is due.
Better late than never, thanks!!
****Hugs****
Magnitude 7.1 - NEAR THE EAST COAST OF HONSHU, JAPAN 2011 April 07 14:32:41 UTC /a>
*******************************EXCERPT*********************************
The April 7, 2011 earthquake near the east coast of Honshu, Japan occurred as a result of thrust/reverse faulting on or near the subduction zone plate boundary between the Pacific and North America plates. At the latitude of this earthquake, the Pacific plate moves approximately westwards with respect to the North America plate at a rate of 83 mm/yr, and begins its westward descent beneath Japan at the Japan Trench. Note that some authors divide this region into several microplates that together define the relative motions between the larger Pacific, North America and Eurasia plates; these include the Okhotsk and Amur microplates that are respectively part of North America and Eurasia.
The epicenter and focal-depth of the April 7 earthquake are consistent with the event having occurred very close to the main interface thrust-fault of the subduction zone plate boundary. Preliminary focal-mechanisms, however, imply slip on a fault with steeper dip than that of the main interface thrust-fault, which may imply an intraplate source is more likely.
This earthquake can be considered an aftershock of the March 11, 2011 Mw 9.0 Tohoku earthquake. The aftershock sequence of that event has been ongoing since March 11, and has included 58 earthquakes of M 6 or greater up until April 7 2011, two of which were greater than M 7 (M7.7 and M7.9, both on March 11). Over the two days preceding the March 11 earthquake, a series of large foreshocks had occurred, beginning on March 9th with a M 7.2 event approximately 40 km from the epicenter of the March 11 earthquake, and continuing with another three earthquakes greater than M 6 on the same day. Prior to March 9 2011, the Japan Trench subduction zone had hosted nine events of magnitude 7 or greater since 1973. See the tectonic summary of the March 11 event for more details of the historic seismicity in this region.
USGS has it as 7.1 magnitude earthquake with depth set at 49 kilometers. Needs to be much shallower to generate tsunami (25-12 kilometers).
Title should be changed:
Link above is to USGS.
talk about not being able to buy a break...
17 quakes in Greenbrier,AR yesterday, April 8, 2011. Largest 3.5.
Repeated shaking of homes/businesses causing ceilings to crack, mortar crumbling, and leaks to develop in roofs. Just sayin’....
You best be lookin’ out for the tsunami.
Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.