SOLAR WATCH: Category G3 Geomagnetic Storm Predicted

3 years ago

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    Mitch Battros - Earth Changes Media                   November 03 2015

The arrival of a recurrent coronal hole high-speed stream has been delayed with onset
likely on November 3rd between 9AM-12PM. Geomagnetic storm conditions are likely to persist into November 4th 2015.

This event was caused by a discharge of particles from two large coronal holes. An
additional CME released from sunspot region 2443 which may provide a glancing blow to Earth within the next 48-72 hours.

NOAA's Space Weather Center has put out a G3 alert to all departments as follows: -
Power grid fluctuation may trigger false alarms on some protection devices. - NASA/ROSCOSMOS (Russian) Radiation hazard avoidance recommended for
astronauts on ISS International Space Station - FAA orders airlines to fly below 40,000 feet down to 35-30,000 feet due to radiation exposure. -
Satellite operations are put on alert causing repositioning or shift in orbit - also probability of  reduction in efficiency to solar panels. -
GPS Navigation - Intermittent satellite navigation problems, including loss-of-lock and increased range error may occur. - Degraded HF radio
propagation through the polar regions and navigation position errors likely.

Watch for aurora-borealis which may drop down below 50° latitude (Oregon to Pennsylvania).


New View of

Zone Raises Alarm

A new report from five members of the mapping team describes how the movement of the
ocean-bottom Juan de Fuca plate is connected to the flow of the mantle 150 kilometers (100 miles) underground, which could help seismologists
understand the forces generating quakes as large as the destructive Tohoku quake that struck Japan in 2011.

A large team of scientists has nearly completed the first map of the mantle under the tectonic plate
that is colliding with the Pacific Northwest and putting Seattle, Portland and Vancouver at risk of the largest earthquakes and tsunamis in the

"This is the first time we've been able to map out the mantle plume across an entire
plate, so as to understand plate tectonics on a grand scale," said Richard Allen, a professor and chair of Earth and Planetary Science at the
University of California, Berkeley, and the senior author of a paper published online Nov. 2 in the science journal Nature Geoscience. "Our goal is to
understand large-scale plate tectonic processes and start to link them all the way down to the smallest scale, to specific earthquakes in the Pacific

The major surprise, Allen said, is the mantle plume
beneath a small piece of the Juan de Fuca plate is moving differently from the rest of the plate, resulting in segmentation of the subduction zone.
Similar segmentation is seen in Pacific Northwest megaquakes, which don't always break along the entire 1,000-kilometer (600-mile) length, producing
magnitude 9 or greater events. Instead, it often breaks along shorter segments, generating quakes of magnitude 7 or 8.


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