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Originally posted by westcoast
So if there really is a correlation between CME's and quakes (not saying there is ) than we should expect something big today.
I have to say that there does seem to be a feeling of things building....but that's just me.
Originally posted by PuterMan
On your theory that it needs time to work it's way into the 'infrastructure' what sort of time span do you consider to be reasonable after a magnetic anomaly is recorded to be able to say - yes that earthquake was caused by XYZ flare?
1 day, 3 days, 5 days? Would this depend on the magnetic variation? I am still trying to relate these flares to earthquakes, but so far most of what I am seeing proves that earthquakes cause solar flares!!!! (Well magnetic anomalies anyway
Saturday, August 06, 2011 at 12:40:10 UTC
Sunday, August 07, 2011 at 12:40:10 AM at epicenter
Location 38.374°S, 175.725°E
Depth 188.6 km (117.2 miles)
Region NORTH ISLAND OF NEW ZEALAND
Distances 52 km (32 miles) WSW of Rotorua, New Zealand
161 km (100 miles) NW of Napier, New Zealand
187 km (116 miles) SSE of Auckland, New Zealand
335 km (208 miles) NNE of WELLINGTON, New Zealand
Location Uncertainty horizontal +/- 25 km (15.5 miles); depth +/- 22.4 km (13.9 miles)
Parameters NST= 21, Nph= 23, Dmin=77.9 km, Rmss=0.66 sec, Gp= 97°,
M-type=local magnitude (ML), Version=6
Magnitude: Inst. of Geological and Nuclear Sciences, Lower Hutt, New Zealand
Location: USGS NEIC (WDCS-D)
Event ID usc00059sb
PRESTO FROM SIDC - RWC BELGIUM Sun Aug 7 2011, 1215 UT
There is a slight increase in flaring activity. We estimate the chances for an M-flare to be between 20% and 30%. We have now a full view of the ACE data showing the arrival of the shock associated with the fast CME of Aug 04. The data show no rotation of the magnetic field. This means that we did not pass through the magnetic cloud but only through the shock and plasma sheath as predicted. The caused geomagnetic disturbance was however large because of the large total magnetic field and strong negative Bz component of the field. An explanation is the cumulation of energy of the Aug 03 and Aug 04 CME. The Aug 04 overtook probably the Aug 03 CME leading to CME cannibalism. The geomagnetic conditions are now quiet. Unsettled conditions are possible if the solar wind emanating from the southern coronal hole reaches Earth.
Strength of the Earth's magnetosphere
During solar minimum the Sun's magnetic field, like Earth's, resembles that of an iron bar magnet, with great closed loops near the equator and open field lines near the poles. Scientists call such a field a "dipole." The Sun's dipolar field is about as strong as a refrigerator magnet, or 50 gauss. Earth's magnetic field is 100 times weaker.