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Daily epicentral distribution of deep low-frequency tremor. Red circles are centroid locations obtained by a clustering method of hourly tremor activity (Obara et al., 2010), which is located by a hybrid analysis using envelope correlation and amplitude (Maeda and Obara, 2009).
originally posted by: ericblair4891
I thought someone already posted something along these lines but can't find it. So, if I'm duplicating, sorry.
Also, the USGS, released a report on the fracking earthquakes. PBS and NPR has stories. I didn't pay attention. Of course, I am angry, but I don't want to research a dead horse. It is obvious. Luckily, Oklahoma's ancient faults have only produced one major quake. A feared bigger one may not happen. MAY. Not. I'm still not convince a nearby fault might break. New Madrid???
M5.5 - 211km W of Ferndale, California
2015-04-24 01:34:59 (UTC)
2015-04-23 20:34:59 (UTC-05:00)
211km (131mi) W of Ferndale, California
220km (137mi) W of Fortuna, California
222km (138mi) W of Eureka, California
230km (143mi) W of Arcata, California
497km (309mi) WNW of Sacramento, California