Geography fun facts and oddities: Difference between revisions

=== Volcanos ===

[[File:Mt.Mayon tam3rd.jpg|thumb|Mt.Mayon, Philippines, with a "perfect" cone (wikipedia)]]

** a stratovolcano that has a near-perfectly symmetric, or "perfect", cone

** = the most active volcano in the Philippines

** traditionally worshipped

** see https://en.wikipedia.org/wiki/Mayon

[[File:Lanzarote 5 Luc Viatour.jpg|thumb|Lanzarote 5 Luc Viatour|alt=Lanzarote 5 Luc Viatour.jpg|World's longest "lava tube" (wikipedia)]]

* * world's longest "lava tube" was created 3,000 years ago by the eruption of Monte Corona, Canary Islands

** lava tubes are formed when a lava stream cools and solidifies at the top, while lava below continues to flow, leaving a cave after full draining.

** the cave is 3.7 miles long on land and extends another 0.93 miles under water

** see [https://en.wikipedia.org/wiki/Cueva_de_los_Verdes Cueva de los Verdes (wikipedia)]

** on April 1, 1974, pranksters climbed atop the dormant 3002 ft high  volcano, Mt. Edgecumbe, near Sitka, Alaska

** a helicopter had dropped off old tires, kerosene, smoke bombs and rags, which the pranksters lit and threw into the crater