Posted on April 17, 2022 (Updated on July 9, 2025)
What natural disaster caused the destruction of Thistle?
Regional SpecificslandslideA giant landslide in April 1983 obliterated the tiny town of Thistle in Utah County. In 1983, the most costly landslide in US history swept down on the tiny town of Thistle, damming up the Spanish Fork River, and severing the rail line that connects Salt Lake City with Denver. When did Thistle Utah flood?
Posted on April 17, 2022 (Updated on July 9, 2025)
What is the largest amethyst ever found?
Regional SpecificsThe Empress of UruguayThe Empress of Uruguay” It is 3.27 meters high and weighs two and a half tons. How much is the largest amethyst in the world? It is estimated at $200,000-300,000. How big can amethyst get? Amethyst crystals do not get very large, crystals longer than 30cm are very rare. It is found
Posted on April 17, 2022 (Updated on July 9, 2025)
Which earthquake scale is the most accurate?
Regional SpecificsBecause of the limitations of all three magnitude scales (ML, Mb, and Ms), a new more uniformly applicable extension of the magnitude scale, known as moment magnitude, or Mw, was developed. In particular, for very large earthquakes, moment magnitude gives the most reliable estimate of earthquake size. Which scale is better Richter or Mercalli? In
Posted on April 17, 2022 (Updated on July 9, 2025)
What is the difference between rocks and soil?
Regional SpecificsWhat are rocks and soil? Rocks are made of one or more minerals. There are three main classifications of rock, based on the way the rock was formed: sedimentary, metamorphic and igneous. Soil is formed of fine rock particles mixed with air, water and particles from dead plant and animal matter. What is the relationship
Posted on April 17, 2022 (Updated on July 9, 2025)
What does the Moho discontinuity indicate?
Regional SpecificsThe Moho is the boundary between the crust and the mantle in the earth. This is a depth where seismic waves change velocity and there is also a change in chemical composition. Also termed the Mohorovicic’ discontinuity after the Croatian seismologist Andrija Mohorovicic’ (1857-1936) who discovered it. What is the importance of Moho discontinuity? The
Posted on April 17, 2022 (Updated on July 9, 2025)
Will an earthquake destroy Seattle?
Regional SpecificsIs Seattle safe from earthquakes? Key Points. Earthquakes are the most serious hazard facing Seattle. Unlike other potentially catastrophic hazards, Seattle has had and will experience powerful earthquakes. What would a 9.0 earthquake do to Seattle? – A 9.0 magnitude subduction earthquake off the Washington coast would generate a tsunami capable of submerging not only