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  2. File:Map of North America, blackout 2003.svg - Wikipedia

    en.wikipedia.org/wiki/File:Map_of_North_America...

    English: A map of the states and provinces affected by the w:2003 North America blackout. The map shows an entire state or province as red, when in some cases only a small portion (e.g. NJ) may have lost power. This greatly exaggerates the actual area of the blackout.

  3. Magnetic dip - Wikipedia

    en.wikipedia.org/wiki/Magnetic_dip

    Magnetic dip causes the compass to dip upward or downward depending on the latitude. Illustration of magnetic dip from Norman's book, The Newe Attractive. Magnetic dip, dip angle, or magnetic inclination is the angle made with the horizontal by Earth's magnetic field lines. This angle varies at different points on Earth's surface.

  4. World Magnetic Model - Wikipedia

    en.wikipedia.org/wiki/World_Magnetic_Model

    However, due to extraordinarily large and erratic movements of the north magnetic pole, an out-of-cycle update (WMM2015v2) was released in February 2019 [4] (delayed by a few weeks due to the U.S. federal government shutdown) [5] to accurately model the magnetic field above 55° north latitude until the end of 2019. The next regular update ...

  5. Today in history: Massive blackout hits Northeast US states - AOL

    www.aol.com/article/2015/08/14/today-in-history...

    The blackout affected some areas of Canada as well with a total of 10 million Canadians and 45 million Americans left without power. Today in history: Massive blackout hits Northeast US states ...

  6. Northeast blackout of 2003 - Wikipedia

    en.wikipedia.org/wiki/Northeast_blackout_of_2003

    The Northeast blackout of 2003 was a widespread power outage throughout parts of the Northeastern and Midwestern United States, and most parts of the Canadian province of Ontario on Thursday, August 14, 2003, beginning just after 4:10 p.m. EDT. [1]

  7. List of satellite map images with missing or unclear data

    en.wikipedia.org/wiki/List_of_satellite_map...

    Images of the prime minister's official residence, The Lodge have not been blurred. However, images of its roof have been and the entrance to The Lodge is blurred in Google Street View. [6] The government of Malaysia has stated that it will not ask Google to censor sensitive areas because that would identify the locations it deemed to be ...

  8. Magnetic declination - Wikipedia

    en.wikipedia.org/wiki/Magnetic_declination

    On the topographic maps of the U.S. Geological Survey (USGS), for example, a diagram shows the relationship between magnetic north in the area concerned (with an arrow marked "MN") and true north (a vertical line with a five-pointed star at its top), with a label near the angle between the MN arrow and the vertical line, stating the size of the ...

  9. Earth's magnetic field - Wikipedia

    en.wikipedia.org/wiki/Earth's_magnetic_field

    The North geomagnetic pole (Ellesmere Island, Nunavut, Canada) actually represents the South pole of Earth's magnetic field, and conversely the South geomagnetic pole corresponds to the north pole of Earth's magnetic field (because opposite magnetic poles attract and the north end of a magnet, like a compass needle, points toward Earth's South ...