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Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec

 
DoorBert
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10/06/2011 06:14 AM
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Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
[link to earthquake.usgs.gov]


A strong swarm of earthquakes hit the Reykjanes Ridge region of the Central Mid-Atlantic today. A series of moderate to moderately strong earthquakes also occurred in the region in the Greenland Sea and in association with a possible sub-glacial eruption of Katla. The antipodal region was also active with moderate earthquakes in the region of New Zealand.

The Reykjanes Ridge was at solar noon when a strong geomagnetic storm hit with Kp up to 8 and AP 20 for the day. This is the latitude and longitude which is most likely to be affected by sudden commencement geomagnetic storms such as this. At the same time two C-class solar flares occurred and probably added to the triggering effects of the geomagnetic storm. The area was also under stress from the Post Tropical cyclone Ophelia which passed near the epicenters of these events late yesterday and early today. The combination of these triggering stresses probably forced these earthquakes at this time. This had been anticipated in this summary yesterday where we noted in this regard:


"A possible geomagnetic storm coming today or tomorrow may tip the scale back towards an active seismicity pattern globally. The previous such storm did not have the effect of triggering large earthquakes but a number of moderate earthquakes did occur in unusual and expected localities and these indicated a pattern of (unexpectedly) moderate triggering from that storm. A large earthquake is considered likely with about a 50% probability in the next two days if this storm should occur. Such an event is, as always, most likely along the geomagnetic equator or at high latitudes." (October 4-5, 2010)

The M 5.6 in the Reykjanes Ridge swarm today was the strongest in that region in at least three years. A similar event of M 5.5-5.6 occurred on April 28, 2009 and another on September 27, 2010. The events at the end of September 2010 were likewise triggered by Hurricane Igor which passed through that area several days before that swarm. Igor had a path very similar to that taken by Hurricane Ophelia.

[link to www.earthquakesummary.info]

Last Edited by DoorBert on 10/07/2011 06:45 AM
DoorBert  (OP)

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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
DoorBert  (OP)

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10/06/2011 06:44 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
Coronal Hole CH478 will be in the optimal position to trigger a quake in the next 3 to 4 days.

[link to www.solen.info]
DoorBert  (OP)

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10/06/2011 06:46 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
Space Weather Message Code: WARK04
Serial Number: 1823
Issue Time: 2011 Oct 05 2339 UTC

EXTENDED WARNING: Geomagnetic K-index of 4 expected
Extension to Serial Number: 1822
Valid From: 2011 Oct 05 0805 UTC
Now Valid Until: 2011 Oct 06 1200 UTC
Warning Condition: Persistence
DoorBert  (OP)

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10/06/2011 07:29 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
Here we go.

Back-to-back

Prelim 6.3 Argentina and 6.0 Micronesia.

[link to geofon.gfz-potsdam.de]


Expect more.
DoorBert  (OP)

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10/06/2011 07:35 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
USGS puts Argentina quake at 6.2

Very shallow, 9.5 km deep


[link to earthquake.usgs.gov]


[link to earthquake-report.com]
DoorBert  (OP)

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10/06/2011 07:50 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
USGS has 5.8 for Micronesia

[link to earthquake.usgs.gov]
DoorBert  (OP)

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10/06/2011 08:05 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
F-region of the ionosphere showing abnormal heating at 14 MHz.

Typically, this is a precursor to a quake.

Usually runs around 11 MHz.


[link to www.ips.gov.au]
DoorBert  (OP)

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10/06/2011 08:06 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
Another precursor - sudden dip in neutron flux


[link to helios.izmiran.rssi.ru]
DoorBert  (OP)

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10/06/2011 10:25 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
[link to www2.nict.go.jp]
The Chosen One

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10/06/2011 12:41 PM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
bump
To be Saved you must Pray and Trust in the Lord Our God Jesus Christ! God Loves You All!
Anonymous Coward
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10/06/2011 12:47 PM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
bump
DoorBert  (OP)

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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
6.5 Kermadec Islands.

[link to earthquake.usgs.gov]

Associated directly with a 15MHz Anomaly in the F-Region of the Ionosphere.

[link to www.ips.gov.au]
Anonymous Coward
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10/07/2011 05:47 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
bump
Anonymous Coward
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10/07/2011 05:48 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
6.5 Kermadecs predicted

Anonymous Coward
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10/07/2011 05:51 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
6.5 Kermadec Islands.

[link to earthquake.usgs.gov]

Associated directly with a 15MHz Anomaly in the F-Region of the Ionosphere.

[link to www.ips.gov.au]
 Quoting: DoorBert


[link to www.geonet.org.nz]
DoorBert  (OP)

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10/07/2011 05:59 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
Solar Watcher nailed it - awesome!

DoorBert  (OP)

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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
I agree with Solar Watcher that the Caribbean is particularly at high risk for a large quake off of Puerto Rico.

Especially if a tropical cyclone forms nearby which is very likely since the Madden Julien Oscillator currently has an anomaly in the region.
DoorBert  (OP)

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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
Kermedec downgraded to 6.1

[link to earthquake.usgs.gov]
DoorBert  (OP)

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10/07/2011 07:01 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
EARTHQUAKE SUMMARY FOR OCTOBER 06, 2011

A pair of strong earthquakes occurred today in northern Argentina (M 5.8-6.2) and the Caroline Islands (M 5.8-6.0). These are the first such earthquakes of M>=5.8 since an event in Tonga on September 22 of M 6.2 and appear to have broken the two-week long seismic quiet period. Both occurred within 10 degrees of the local geomagnetic equator and were likely promoted by the geomagnetic storm which occurred yesterday.

[link to www.earthquakesummary.info]
DoorBert  (OP)

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10/07/2011 07:19 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
A high-rate magnetic-field perturbation was recorded at about 09:00Z at the HAARP magnetometer.

[link to 137.229.36.30]
DoorBert  (OP)

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10/07/2011 07:22 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
Sunspot 11309 very close to Coronal Hole CH478.

A deadly combination.

[link to www.solen.info]
DoorBert  (OP)

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10/07/2011 07:28 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
GFS is forecasting the spin up of a possible tropical cyclone in the Bahamas Sunday.

This could be a potential trigger for a quake in the Caribbean.

[link to moe.met.fsu.edu]
DoorBert  (OP)

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10/07/2011 07:55 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
4.7 - RYUKYU ISLANDS, JAPAN as Solar Watcher forecasted.

[link to earthquake.usgs.gov]
DoorBert  (OP)

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10/07/2011 08:08 AM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
72Hr Official Forecast showing the development of a low in the Bahamas.

[link to www.nhc.noaa.gov]
DoorBert  (OP)

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10/07/2011 02:01 PM
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Re: Seismic Activity continues from Geomagnetic Storm - Reykjanes Ridge Swarm, 6.2 Argentina, now 6.1 Kermadec
A new F-region anomaly is approaching Chile

[link to www.ips.gov.au]





GLP