0 thoughts on “Another updated aftershock plot…”

  1. I am sure I felt an aftershock this morning Thursday 9/15 at about 5:45 a.m. in Frederick, MD just before getting out of bed…it was maybe 2-3 seconds in duration, but very distinct. However, nobody I have asked about it shared the experience. How can I affirm that it was indeed an aftershock, and learn more about it?

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