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Click the tartan to view its entry in The Scottish Registers of Tartans which includes registration details, restrictions, and registrant information.


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Vesuvius Day

"Hot Lava Monster!"

"The Floor is Lava" and it's variation "Hot Lava Monster" are playground games in which players imagine the ground is hot lava and so must avoid touching the surface by moving to safe places or playground equipment towards a goal (or in the case of "Hot Lava Monster", avoid being tagged by the monster). University of Leicester scientists have calculated that a high stakes version of the game would not be playable with actual lava, as even the air above the lava would have a temperature too high for humans to survive for more than a few seconds. When it is first expelled through a volcanic vent, the rock is liquid and can reach temperatures between 1300 and 2200 degrees F (700-1200 degrees C). While lava is hundreds of thousands of times more viscous than water, it is able to flow great distances before it cools down and solidifies, thanks to its sheer thinning quality. However, most lava flows — especially those from shield volcanoes, the less explosive type found in Hawaii — are pretty sluggish. As long as the lava doesn't find its way into a tube- or chute-shaped valley, it will probably move slower than a mile per hour and you should be able to outrun it!🌋

Mount Vesuvius, in the Gulf of Naples, Italy, is best known for its eruption, formerly believed to be August 24th but only recently corrected to today's date Oct 17th, in the year AD 79 that led to the burying and destruction of the Roman cities of PompeiiHerculaneum, and several other settlements. That eruption ejected a cloud of stones, ash, and fumes to a height of 33 km (20.5 mi), spewing molten rock and pulverized pumice at the rate of 1.5 million tons per second, ultimately releasing a hundred thousand times the thermal energy released by the Hiroshima bombing.  An estimated 16,000 people died due to hydrothermal pyroclastic flows.  

There are more than 1,500 volcanoes that could be active today.  An estimated 500 million people live near active volcanoes.

By designer Carol A.L. Martin, the colors and design in this tartan evokes the colors and flow of the extreme heat of lava.


Kilauea volcano in Hawaii is one of the most active volcanoes on Earth. It has been erupting almost continuously since 1983.  

To find out about the correction date for this famous eruption, click the Hawaiian lava flow photo by Sean King.

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