Quake Watch 2014

reply to post by Arbitrageur


Oh yes, i'm according, i didn't knew about puente hill thrust. Sorry.. Amd thank you


However:

I have modify the list of earthquake under the map:

www.mapsism.com


Bye

What I find curious is the predominantly SW-NE alignment of the quake cluster, nearly perpendicular to the PHTF. and only one quake to the north of the fault.

It would be interesting to know the ground movement in the area, as in is the NW section moving away from the SE section, or the SE section compressing against the NW section... is Fullerton moving towards La Habra, or La Habra moving away from Fullerton?

And I was surprised to see two smaller quakes (2.4 & 1.2) just north of Lake Elsinore, on opposite sides of the EFZ; the stuff south of Corona, I don't consider much as there are quarries in the area.

abecedarian
What I find curious is the predominantly SW-NE alignment of the quake cluster, nearly perpendicular to the PHTF. and only one quake to the north of the fault.

I was curious too and I think this diagram might explain why in general the quake cluster might be perpendicular to the fault line:

activetectonics.asu.edu...

See all those dots in the lower right representing Earthquakes? On a surface map they will appear perpendicular to the fault line which whould be drawn perpendicular to the page from this view, on a surface map. This is another section of the same fault system so partially but not directly related to the recent LaHabra quakes.

In the future someone may write a paper like this about what happened in LaHabra, after studying the data more, or should I say is still happening since the quakes are still going on there. I felt a ninth quake about 100 minutes ago which was a moderate shaker, and a tenth very small quake just now.

Magnitude ML 5.0
Region ROMANIA
Date time 2014-03-29 19:18:03.0 UTC
Location 45.66 N ; 26.47 E
Depth 150 km
Distances 139 km N of Bucharest, Romania / pop: 1,877,155 / local time: 21:18:03.0 2014-03-29
56 km W of Focşani, Romania / pop: 105,112 / local time: 21:18:03.0 2014-03-29
20 km SE of Comandău, Romania / pop: 1,034 / local time: 21:18:03.0 2014-03-29

EMSC

No need to duplicate Useless (USGS) over this one for now, as they have their own maps (which fail after 30 days), I checked the Southern California Seismic Network (SCSN) and they do have the same events listed, so I've used them for this map.
interactive map La Habra 5.1Mw fore and aftershocks, with elapsed time and icons coloured by magnitide (not depth like USGS)
I may change back to USGS if I make a page for this, if it goes on for a few days, they have 4 decimal points to their lat/long, so a bit more accuracy.
In case you missed it, here is a screenshot of the ABC7 live seismo last night NZDT, 52 minutes after I opened the page, had to wait until it rolled around an hour to catch the 5.1, which is cropped obviously.
the furthest scratchings on the left are the 3.6 foreshock, the other two are M3 aftershocks
when I took the SS the needle had just finished scratching that darker smaller one on top of the bigger M3
at one point a hand came across it and pointed to one of the scratches, must have been live on TV at the time, but there was no sound.


ABC7 live seismo again its still twitching

5.3ML according to SPUD, no MT data yet though. www.iris.edu...

thats a radiated energy release of 1,344.028 Tonnes of TNT

reply to post by Hellas


For usgs is 4.7

The seismic region is this:
www.mapsism.com...


Borja

Rodrigoson6
reply to post by Hellas

 

For usgs is 4.7

The seismic region is this:
www.mapsism.com...


Borja

EMSC now, too

Magnitude mb 4.7
Region ROMANIA
Date time 2014-03-29 19:18:04.0 UTC
Location 45.58 N ; 26.43 E
Depth 136 km
Distances 130 km N of Bucharest, Romania / pop: 1,877,155 / local time: 21:18:04.0 2014-03-29
57 km NW of Buzău, Romania / pop: 130,954 / local time: 21:18:04.0 2014-03-29
11 km N of Gura Teghii, Romania / pop: 3,835 / local time: 21:18:04.0 2014-03-29

EMSC

4.1Mw 5 km ( 3 mi) N of Brea, CA, 5km deep

www.data.scec.org...

Hm.. Romania, Greece (mainland and Crete) and now EMSC is reporting an unconfirmed quake in Bosnia / Herzegovina.

ETA: The disclaimer about the unconfirmed report is now gone.

reply to post by Hellas

were you reading the Latest data contributions on EMSC?
2014-03-29 23:25:49.2 44.22 N 17.91 E 6 ML 2.8 A BOSNIA AND HERZEGOVINA BEO
2014-03-29 23:25:49.1 44.20 N 17.77 E 10 ML 2.8 A BOSNIA AND HERZEGOVINA MSO
never made it to the "MIX" eh

there is a 3.8 3.4off Albania that hasn't made it yet either
www.emsc-csem.org...

further to post by muzzy


that one was in the hills, above Rowland Heights

where are all the LA'ers?, is there another topic running on this?
I seen one last night that went off the rails, but here is one that quite good, with a nice post by an ex geophysicist, BaysLike, about Fracking (not the usual emotional BS)
Puente Hills Thrust Fault: fatal quake history, behavior, continuity of slip rates and.. fracking

Latest interactive aftershock map for this quake, from the California Integrated Seismic Network (CISN) this time, doesn't have the "distance from x location", just the F_E Region. It is a map after all, so why would you need a distance from? In fact the map has all the quakes for F_E Region 43 Southern California for 29.03.2014UTC

did anyone feel the 4.1 in Rowland Hts, CA?

earthquake.usgs.gov...

reply to post by gardener

I've felt 14 earthquakes in the last 25 hours. That was one of them. I probably slept through a few more during that time, but two of them woke me up.

Edit to add: Here's an updated "Can you feel it?" shake map, 18 hours later than the one I posted here.

earthquake.usgs.gov...

As you can see, the activity hasn't declined much. They are so stacked up on top of each other you can't even see all of them very well. For those not familiar with the map coding, the white colored marker labeled "I" either occurred too recently for reports of people feeling it to come in, or it was too small to feel. All the other markers in various colors indicate that people reported feeling them, with the higher numbers representing stronger shaking.

6.0 reported Japan

reply to post by britchik



There was a 4.0 in Christchurch this morning, on the Port Hills Fault.
Nothing major.
I was in the shower, in a new abode and so the reaction of the building and the lack of recent 'felt' 'quakes made this a wee adrenalin rusher...within the accepted decay range so nothing to worry about, but it was a reminder against complacency.

I'm glad I didn't have to do the 'flash(er) dance'

here is a quick animation I made of the La Habra series, most of the drama was in the first hour, no real trend, the aftershocks are all over the place, maybe to the NE .........
its broken into hourly maps/plates/images, up to 22hrs worth


while I'm here I took a couple of screenshots of the ABC7 seismo, to get a better idea of what size the scratches were representing
caught a 2.5 before dinner, the nib was still moving

this is the event at USGS

and just now a M3.2

this is the event at USGS

by the time I spot it moving (on another screen) and switch over to that screen and grab the image its usually tapering off!
I had to wait for USGS to post that 2nd one to see what size it was.
Its a bit hit and miss, I'm trying to watch the Rugby 7s in Hong Kong on TV and wander over to the computer in another room from time to time, just pure chance I seen these two happening.

reply to post by aorAki


I wonder what kind of a crisis a M5 down there right now would cause?
Hope not going to happen, Eketahuna and Cook Strait still spitting out 1's and 2's each day

Another quake in oklahoma... :/

4.3° for USGS


www.mapsism.com...

Fullerton here. All day long I've had that "a big truck just rolled by" feeling, like a constant vibration.
I've lived in Fullerton for 10 years & have never felt anything like this. My nerves are rattled.
Every aftershock feels like it pushes me towards the west, and a loud BOOM before the last
3.2.

Think I'll sleep with my shoes on tonight.

reply to post by muzzy


Yeah a 5er would have us hopping, for sure, and would be pause for thought.
At least now most of us are well-stocked and have 'bug outs' sorted, and my bicycle (forget about a car in an urban situation, it's a nightmare) is ready and waiting....

Think about what you need with you and your escape routes...essential forward planning. If you have a family, then consider contact and meeting places. Don't rely upon networks after the fact...plan it now, have a meeting place, be patient and hopeful and realistic.

Networks will be down, or overloaded, transport routes will be gridlocked.
Plan ahead, for the worst, and you will cope

I wish this on nobody.
It's a bloody nightmare.

It's just a matter of time until the Alpine Fault goes...when it does, best of luck.