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reply to post by radpetey
No I don't believe they do.
Only YMR is showing anything interesting and it looks more like snow blowers than harmonic tremor.
The United States Geological Survey (USGS) issued a press release (Released: 3/6/2014 [US Date] 5:00:00 PM ) indicating that the magnitude 5.7 earthquake that struck Prague, Oklahoma in 2011 was unintentionally human-induced.
The 5.7 magnitude quake in Prague followed an injection of waste-water approximately 650 feet away from the Wilzetta fault zone, a complex fault system about 124 miles in length. All three earthquakes exhibited a slip-strike motion, and did so at three different locations, indicating that three separate areas of the fault zone were activated.
more on Ryukyu Islands post by muzzy
blah blah blah etc
* I noticed on that interactive map from 04/2007 (7 days worth) the lack of earthquakes in the Hitachi Mountains (I don't know what their real name is, but they are just north of Hitachi (which is NE of Tokyo, on the east coast)), compared to recent times. The daily maps I'm doing on GSAIM have heaps of them in the NEID Preliminary data every day, and even on JMA Reviewed data there would be about a dozen per day average over 7 days in those mountains now, I wonder if those were "triggered" by the 11/2011 M9.0 Tohoku monster? and are ongoing since then?
I sometimes wonder if I go too overboard with these pages/maps? None of those have anywhere near the readership of this one on EQA, which has only one map and one graph.
hmm, some kind of quake just hit on or near the west coast USA... details in a minute...