Herding Cats
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So, I'm not sure what this means, if anything, but Yorba Linda has had two separate EQs measuring 4.5 in the last 12 hours or so. I did not feel them, and they were "small" enough for me to not have been worried had I felt them.
What's interesting, however, is that these are two separate events. I suppose the second one could be called an aftershock, but it's quite unusual to have an aftershock equal to the main shock.
Here's the map; you can click in on the left side for a list of current eqs...
http://earthquake.usgs.gov/earthquakes/recenteqsus/Maps/US2/33.35.-119.-117.php
There have been quite a few smaller shakers that I put into the catagory of aftershocks measuring 2.5 or less. There has been an aftershock close to 3 (I think a 2.9), which is a "normal" size aftershock.
The general rule of thumb is that aftershocks, being earth resettling after a move, will not be quite as large, usually a full richter scale point less, than the main shock. Of course there are exceptions, but still, generally, it's a time/strength thing. The longer the time goes by, the less high the aftershock will be.
Why am I posting something that I didn't feel, and wouldn't have been concerned about had I felt it?
Well, two things.
Romeo, my beagle, has been acting a tad anxious. He's always on edge (he's the medical experimental lab dog that has his own thread in News that Makes You Smile...), but it's kind of different; almost like he doesn't want to lose sight of me or Grace (my Newfoundland). He rarely comes into the bathroom, but he was there this morning with me...and when I leave the living room (it's gated), he goes right to the gate and watches me.
And second, of course, is the weirdness of the identical magnitude of the second quake some 10ish hours later. It was a different locale - about 1 km away from the first quake - and an identical mag, which makes me think that there is the possibility that BOTH of these quakes are foreshocks.
It's rare to have a clear foreshock...or at least, one that's near relative in time to a larger magnitude shock. But if there is a higher mag shock in the general vicinity, I'd say that this is a good set of foreshocks.
And just as a note, it's very hot (and going to get much hotter) right now, and still...very little wind or breeze. Of course it's August, and it's the hottest month of the year here, but there is still what's colloquially termed EQ weather (hot, humid, and still...). All the scientists say there is no such thing as EQ weather, but it's found to be talked about far back, into the local Native American lore. So perhaps there is something to it.
See, now that I've posted it, it won't happen. LOL. Because if I didn't post, it would for sure happen. ROFL. That's the way things go.
Just thought I'd mention it. It's always a good time to review emergency preparedness, and I've done that. So now it's just a bit of a waiting game.
Best-
Herding Cats
What's interesting, however, is that these are two separate events. I suppose the second one could be called an aftershock, but it's quite unusual to have an aftershock equal to the main shock.
Here's the map; you can click in on the left side for a list of current eqs...
http://earthquake.usgs.gov/earthquakes/recenteqsus/Maps/US2/33.35.-119.-117.php
There have been quite a few smaller shakers that I put into the catagory of aftershocks measuring 2.5 or less. There has been an aftershock close to 3 (I think a 2.9), which is a "normal" size aftershock.
The general rule of thumb is that aftershocks, being earth resettling after a move, will not be quite as large, usually a full richter scale point less, than the main shock. Of course there are exceptions, but still, generally, it's a time/strength thing. The longer the time goes by, the less high the aftershock will be.
Why am I posting something that I didn't feel, and wouldn't have been concerned about had I felt it?
Well, two things.
Romeo, my beagle, has been acting a tad anxious. He's always on edge (he's the medical experimental lab dog that has his own thread in News that Makes You Smile...), but it's kind of different; almost like he doesn't want to lose sight of me or Grace (my Newfoundland). He rarely comes into the bathroom, but he was there this morning with me...and when I leave the living room (it's gated), he goes right to the gate and watches me.
And second, of course, is the weirdness of the identical magnitude of the second quake some 10ish hours later. It was a different locale - about 1 km away from the first quake - and an identical mag, which makes me think that there is the possibility that BOTH of these quakes are foreshocks.
It's rare to have a clear foreshock...or at least, one that's near relative in time to a larger magnitude shock. But if there is a higher mag shock in the general vicinity, I'd say that this is a good set of foreshocks.
And just as a note, it's very hot (and going to get much hotter) right now, and still...very little wind or breeze. Of course it's August, and it's the hottest month of the year here, but there is still what's colloquially termed EQ weather (hot, humid, and still...). All the scientists say there is no such thing as EQ weather, but it's found to be talked about far back, into the local Native American lore. So perhaps there is something to it.
See, now that I've posted it, it won't happen. LOL. Because if I didn't post, it would for sure happen. ROFL. That's the way things go.
Just thought I'd mention it. It's always a good time to review emergency preparedness, and I've done that. So now it's just a bit of a waiting game.
Best-
Herding Cats