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Originally posted by boondock-saint
And if u'll look at the last 7 hrs u'll
see nothing but either CA or MX listed
cept for 1 tremor in PR and 1 in Fiji
earthquake.usgs.gov...
Originally posted by ressiv
reply to post by Oozii
www.volcanolive.com...
Originally posted by ressiv
possibly... look the affect of the recent eq on long valley...
earthquake.usgs.gov...
Originally posted by haaat
That is pretty neat to see that over the past 7-8 hours only 4 earthquakes (Alaska, Chile, Fiji, Puerto Rico) have not been in the CA/MEX area.
Originally posted by Oozii
Originally posted by ressiv
reply to post by Oozii
www.volcanolive.com...
Ah its in San Diego? Well Im pretty sure there's a volcano in Mexicali, or possibly it is Cerro Prieto and claimed by both sides
Originally posted by ressiv
reply to post by boondock-saint
you should understand the USGS system... 10K is an standard depth before its revised...:-)
impossible for them to give the real depth in such an short time...takes lots of data and calculations to determe the exact location of it..
[edit on 5-4-2010 by ressiv]
Sometimes when depth is poorly constrained by available seismic data, the location program will set the depth at a fixed value. For example, 33 km is often used as a default depth for earthquakes determined to be shallow, but whose depth is not satisfactorily determined by the data, whereas default depths of 5 or 10 km are often used in mid-continental areas and on mid-ocean ridges since earthquakes in these areas are usually shallower than 33 km.