Updated: Earthquake near Whitesburg felt in Lexington, seven other states

A 4.3-magnitude earthquake struck outside Whitesburg shortly after noon Saturday, with reverberations felt through Eastern and Central Kentucky and at least seven other states.

[Mack]

My friends in Ohio, Indiana, Virginia, West Virginia, Georgia and North Carolina said that they felt it. My friends in Lexington told me that they didn't fell it.

[Mack]

Ugh! My friends in Lexington told me that they didn't *feel* it.

[Sman]

In Lex, and didn't feel it, but I did feel the Sharpsburg quake, years ago, and the one 2, or 3 years ago. What is the fault system, anyone know? The initial movement, and the aftershock are a few km NW of the Pine Mountain Thrust fault. I'll check my maps, but this appears to be an en echelon system.

[Fracer]

Sman wrote:

In Lex, and didn't feel it, but I did feel the Sharpsburg quake, years ago, and the one 2, or 3 years ago. What is the fault system, anyone know? The initial movement, and the aftershock are a few km NW of the Pine Mountain Thrust fault. I'll check my maps, but this appears to be an en echelon system.

Yeah, it split at the mole track.

[Sman]

I did a little looking around, and I think that this movement is on a previously unknown fault. I can't find the fault on my maps, or USGS.

[Haha]

Sman wrote:

I did a little looking around, and I think that this movement is on a previously unknown fault. I can't find the fault on my maps, or USGS.

Fault? It was only 3,500 feet below ground, haha.

[Byoung]

Sman wrote:

I did a little looking around, and I think that this movement is on a previously unknown fault. I can't find the fault on my maps, or USGS.

The faults are "man made"; as in, coal mining explosions that ROCK the area. Perhaps Gas pockets,etc.

[Sman]

Haha wrote:

<quoted text>
Fault? It was only 3,500 feet below ground, haha.

Wrong. The focus was nearly 20km below the surface. And, a subsidence event, or gas explosion causing a 4.3 mag shake??? Highly unlikely. At that depth, this geologist thinks a previously unrecognized normal(tensional) fault.