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In article , "Rev.RP Jones"
writes: Subject: Rumble on the water From: "Rev.RP Jones" Date: Fri, 16 Jul 2004 05:39:06 GMT Im just been fishing on City Island, was a big rumble on the water. Scared me half to death ! No reports of anything ? -Rev - Possibly tiny earthquake ( if local) due to " Isostatic rebound"; The last glaciation put abouot a Mile of ice above NYC; ( 64.425 lbs per sq foot * ~ 5,000 feet = Muco Pressure downwards.. - so this compressed the rock, which deforms slightly. Ice melts.. - with no Ice pressing it down the Rock moves up a tich now and again... & you get a small ( or medium sized) rumble My best guess ( & what iffen you're underwater when this all happens ??) Dan |
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