Quake Watch 2012

Magnitude mb 5.5
Region CATANDUANES, PHILIPPINES
Date time 2012-01-28 00:17:14.0 UTC
Location 13.46 N ; 124.60 E
Depth 60 km
Distances 97 km E Legazpi (pop 143,301 ; local time 08:17:14.3 2012-01-28)
42 km E Virac (pop 15,079 ; local time 08:17:14.3 2012-01-28)
36 km SE Bato (pop 2,117 ; local time 08:17:14.3 2012-01-28)

EMSC

Magnitude mb 5.6
Region NEAR EAST COAST OF HONSHU, JAPAN
Date time 2012-01-28 00:22:17.0 UTC
Location 40.22 N ; 142.25 E
Depth 40 km
Distances 70 km SE Hachinohe (pop 239,046 ; local time 09:22:17.5 2012-01-28)
68 km N Miyako (pop 51,721 ; local time 09:22:17.5 2012-01-28)

EMSC

I kind of have a bad feeling about Japan......Do some of the gurus see any kind of troubling pattern with this latest series of 4.9+ quakes in the last 10 days

Originally posted by radpetey
I kind of have a bad feeling about Japan......Do some of the gurus see any kind of troubling pattern with this latest series of 4.9+ quakes in the last 10 days

Not necessarily, but I do have a bad feeling for Japan as well.

Edit: I'm no Guru, just my 1 cent.

More Japan activity:

TOKYO (AP) -- A magnitude-5.5 earthquake rattled Yamanashi prefecture in central Japan on Saturday morning, the Japan

source

Also, see here.
YouTube

M5 class EQs 4 in times 2 hours...
Here

Magnitude mb 4.7
Region DODECANESE ISLANDS, GREECE
Date time 2012-01-28 10:50:55.0 UTC
Location 36.03 N ; 25.06 E
Depth 5 km
Distances 78 km NW Iráklion (pop 137,154 ; local time 12:50:55.3 2012-01-28)
78 km NW Néa alikarnassós (pop 11,886 ; local time 12:50:55.3 2012-01-28)
50 km SW Emboríon (pop 1,946 ; local time 12:50:55.3 2012-01-28)

EMSC



Plus many aftershocks again

It wont let go..

I think Kermadec Islands region just got a pretty nice size quake...

Waiting... and can't estimate, but my self generated webi plot is showing a pretty good bit of red. As in clipped.
And yes, I know I can control that, but still...

Here it is:


Red removed, so you can see the clip and more of the wave.

And already the aftershocks are coming in... Lol, I am reporting aftershocks already, and the USGS doesn't even have the main quake up yet. I still love you though USGS, I promise.

Watch USGS





EDIT: 6.2 USGS KERMADEC
earthquake.usgs.gov...

That looked bigger than a 5.7 to me, but I am no good with my tool set yet for estimating mags.

reply to post by TrueAmerican

Magnitude mb 5.7
Region KERMADEC ISLANDS REGION
Date time 2012-01-28 17:42:56.0 UTC
Location 29.37 S ; 176.84 W
Depth 60 km
Distances 1131 km NE Tauranga (pop 110,338 ; local time 05:42:56.0 2012-01-29)
929 km S Nuku'alofa (pop 23,611 ; local time 06:42:56.0 2012-01-29)
913 km S Ohonua (pop 1,241 ; local time 06:42:56.0 2012-01-29)

EMSC

ETA: upgraded to a 5.8

reply to post by Hellas

Earthquake Details

This event has been reviewed by a seismologist.

Magnitude 6.2
Date-Time

Saturday, January 28, 2012 at 17:42:53 UTC
Sunday, January 29, 2012 at 05:42:53 AM at epicenter

Location 29.344°S, 177.424°W
Depth 28 km (17.4 miles)
Region KERMADEC ISLANDS, NEW ZEALAND
Distances

44 km (28 miles) ESE (104°) from Raoul Island, Kermadec Islands
937 km (582 miles) SSW (193°) from NUKU'ALOFA, Tonga
3119 km (1938 miles) WSW (240°) from PAPEETE, Tahiti, French Polynesia

Location Uncertainty horizontal +/- 17.6 km (10.9 miles); depth +/- 7.7 km (4.8 miles)
Parameters NST=216, Nph=218, Dmin=50.1 km, Rmss=1.1 sec, Gp= 43°,
M-type=regional moment magnitude (Mw), Version=9
Source

Magnitude: USGS NEIC (WDCS-D)
Location: USGS NEIC (WDCS-D)

Event ID usc0007swv

USGS

Useless set of phase data just appeared with no magnitudes on it. Wait for the tensor solutions.

Don't think RAO is too well RAO.IU.00.LHZ.2012.028

I am thinking 6.1 (and just possibly 6.0) based on SNZO.IU.00.VHZ.2012.028




RAO.IU.10.BHZ.2012.028 (Thanks TA)

reply to post by PuterMan


Yikes! That last link shows a nasty little pattern.....

Hope they aren't saving the biggest for last!

RAO has been messed up for quite a while, maybe this jolt will kick it back into line

The next two closest stations don't show a 6.2 to me, looks more like a 5.9
SNZO
RAR


ETA GFZ have 5.8 manually revised but no magnitude type shown
as does EMSC but still mb.
quite a few 6mb's in the EMSC phase data

Originally posted by PuterMan
reply to post by Hellas

 

RAO.IU.10.BHZ.2012.028 (Thanks TA)

you can see that on Geonets main drum page too www.geonet.org.nz...

Originally posted by muzzy
RAO has been messed up for quite a while, maybe this jolt will kick it back into line

Correction: CHANNEL 00 on RAO has been messed up for quite a while, and I don't think ANYTHING will kick it back into line

But little did we know until recently that channel 10 BHZ at RAO has been working the whole time. It's been kind of hidden, as I couldn't access it with GEE. I found out through BUD. And now yes I can access it... Realtime data is fine on it, but just disregard channel 00 BHZ.

Hope this might help.
For the math people, in todays day and age,,
an interesting Formula for Energy Release.

Eth = VxdxTxK (from the Dynamics of Volcanism)

Eth is in Joules
V=volume in cubic kilo meters.
d=specific gravity (1.0)
T=temp. of Ejecta (500 degress Centigrade
K=Constant including the specific heat of the magma,
and the mechanical equivilent of heat,(8.37x10*to the 14th power,),,

thus the thermal energy released during the 79 A.D eruption was or approximately,,
2x10*too the 18th power Joules.
------------
May help in calculations,,being TONGA.

Me.

Good find TA , that actually helps with what I was looking at when the Kermadec quake hit.
Southern East Pacific Rise.is one of the F_E Regions I'm keeping data on for a future page on the World Major Quakes blog, and there was a 5.1 on the East Pacific Rise earlier today UTC which occured before a 4.7 at the Kermadecs, but the signal seemed to arrive at SNZO after the Kermadec one. So that helps confirm what I thought I seen on the graph.
It took a while to figure out, as I think USGS were a bit low in the magnitude as well, GFZ had it 5.5Mw (automatic).
Interesting how the biggest S-wave trace is at SNZO despite being the furthest station away (out of the ones I saved) composite of graphs for East Pacific Rise quake 28-01-2012.

reply to post by BobAthome


I prefer Tonnes of TNT

reply to post by TrueAmerican

But little did we know until recently that channel 10 BHZ at RAO has been working the whole time

Actually i did but I had forgotten. When I went to add it to the database I found it was already there. I must have found it on BUD explorer - and I vaguely remember us having this conversation about the channels a while ago.

Ah, lookee here in QW 2011 a post by you: www.abovetopsecret.com...

deleted.

Originally posted by muzzy

The next two closest stations don't show a 6.2 to me, looks more like a 5.9

SNZO
RAR

edit on 28-1-2012 by muzzy because: missed an m

ETA: GFZ have 5.8 manually revised but no magnitude type shown
as does EMSC but still mb.
quite a few 6mb's in the EMSC phase data

Kermy 6.2 downgraded at USGS to 5.8Mw
Body-Wave Moment Tensor Solution even less, 5.7Mw



ETA: the difference in energy released between a 6.2 and a 5.8 is 22,531.014 tonnes of TNT
6.2=30,089.039 TTNT
5.8= 7,558.025 TTNT
diff= 22,531.014 TTNT
how could they get it so wrong

reply to post by muzzy


You is da man muzzy.

5.8Mw earthquake.usgs.gov...
5.7Mw earthquake.usgs.gov...

I only got near with 6.0

reply to post by PuterMan


I'm getting better at recognizing the size and distance from following SNZO on LISS.
The BUD graphs harder to figure out.
Todays SNZO will be harder, with all those aftershocks, getting the arrival times, I'll have to use the tt computer, that last 5.0 @ 20:00:35 hardly made a wiggle at all
usgs say arrival time at SNZO of the P wave was at 20:03:45, but you can't see where it starts, so I'll have to calculate the S-wave which you can see.

And that very quake/trace ( the 5.0) is why I say the East Pacific Rise quake earlier was way bigger than 5.1