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View Diary: Strong Earthquake in Japan, At Least 3 Dead (Update #19) (74 comments)

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  •  I thought that was the (2+ / 0-)
    Recommended by:
    bwren, kyril

    horizontal location estimate?  Did I misread?

    Some people are like blotters -- they soak it all up but get it all backward.

    by Granny Doc on Fri Jun 13, 2008 at 05:25:37 PM PDT

    [ Parent ]

    •  Here are the numbers from USGS (3+ / 0-)
      Recommended by:
      bwren, temptxan, kyril

      horizontal +/- 10.3 km (6.4 miles); depth +/- 42.2 km (26.2 miles)

      Some people are like blotters -- they soak it all up but get it all backward.

      by Granny Doc on Fri Jun 13, 2008 at 05:27:13 PM PDT

      [ Parent ]

      •  You're quoting the "Location Uncertainty" numbers (4+ / 0-)
        Recommended by:
        bwren, ScienceMom, Granny Doc, kyril

        The estimated "Depth" is listed as "10.3 km (6.4 miles) (poorly constrained)"

        Unless I'm misreading, the location uncertainty numbers mean they can be off on the epicenter reading by a horizontal distance of 10.3 km (coincidentally the same as their poorly constrained depth number), and it could also be up to 42.2 km deeper. (Presumably not 42.2 km shallower, as that could be about 20 miles above the surface, but it also could be fewer than 6.4 miles deep.)

        © sardonyx; all rights reserved

        by sardonyx on Fri Jun 13, 2008 at 05:35:06 PM PDT

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