Topic: Anthropology/Oral tradition
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π 1700 Cascadia Earthquake
The 1700 Cascadia earthquake occurred along the Cascadia subduction zone on January 26, 1700 with an estimated moment magnitude of 8.7β9.2. The megathrust earthquake involved the Juan de Fuca Plate from mid-Vancouver Island, south along the Pacific Northwest coast as far as northern California. The length of the fault rupture was about 1,000 kilometers (620 miles), with an average slip of 20 meters (66Β ft).
The earthquake caused a tsunami which struck the west coast of North America and the coast of Japan.
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- "1700 Cascadia Earthquake" | 2025-03-15 | 31 Upvotes 2 Comments
- "1700 Cascadia Earthquake" | 2021-05-05 | 132 Upvotes 115 Comments
π Fairy Ring
A fairy ring, also known as fairy circle, elf circle, elf ring or pixie ring, is a naturally occurring ring or arc of mushrooms. They are found mainly in forested areas, but also appear in grasslands or rangelands. Fairy rings are detectable by sporocarps (fungal spore pods) in rings or arcs, as well as by a necrotic zone (dead grass), or a ring of dark green grass. Fungus mycelium is present in the ring or arc underneath. The rings may grow to over 10 metres (33Β ft) in diameter, and they become stable over time as the fungus grows and seeks food underground.
Fairy rings are the subject of much folklore and myth worldwide, particularly in Western Europe. They are alternately seen as hazardous or dangerous places linked with witches or the Devil, or as a sign of good fortune.