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- Thread starter Hillbilly
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Did you feel it?? 7:04 a.m. The house shook.
ANOTHER Quake
M6.1 – Haiti Region
And note that this was ANOTHER Quake in a different region... NOT an aftershock!
ay dios mio!!
M6.1 – Haiti Region
And note that this was ANOTHER Quake in a different region... NOT an aftershock!
ay dios mio!!
I stated "Earthquake", some of the "News" media is causing it an aftershock.
If you tracked the "aftershocks" from the major 7.0 earthquake,
none of them were in the exact location of the original.
In reality, aftershocks are earthquakes, just a matter of teminolgy for the same thing.
They probably refer to it as an aftershock, for any earthquake that follows a major earthquake in the same area..
Don
When we had the 6.5 quake in Puerto Plata in 2003 the increased activity went on for about 4 months, generally decreasing in magnitude over time.
I was asleep at 7 this morning so didn't feel it.
If it is different points on the same fault line, it is probably called an aftershock because the earth is still shifting back into alignment following the initial earthquake.
However, as Santiago said, they are all "earthquakes". The 6.1 "aftershock" in Haiti this morning was strong enough to be bit news if it had not been preceded by the 7.0 quake that devastated the country.
I'm almost certain the different soil in the Cibao vs. Santo Domingo explains the disparity. SD sits on rock solid coral, while Santiago sits on a rich soil that is also one of the deepest top soils in the world (along with the rest of the Vega Real).
My guess is, as the waves produced at the epicenter travel away in all directions, the waves become longer, losing their punch the further away they travel. It must be easier for weak waves to move soft and deep top soil and be felt in such place vs. the effect it would have on the much more stable, rock solid coral.
Does anyone have a different hypothesis?
