on April 17, 2022
Which earthquake scale is the most accurate?
GeologyBecause 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
on April 17, 2022
What does the Moho discontinuity indicate?
GeologyThe 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
on April 17, 2022
What is the formula of limonite?
Geology3O4“>Fe3O4 CAS Reg. No. 1317-61-9 Empirical formula Fe3O4 Molar mass 231.53 g/mol Appearance Gray to black crystals or black powder Melting point 1583–1597 ºC What is the formula of magnetite? Magnetite fast facts CAS Reg. No. 1317-61-9 Empirical formula Fe3O4 Molar mass 231.53 g/mol Appearance Gray to black crystals or black powder Melting point 1583–1597
on April 17, 2022
How do you make a worry stone?
GeologyHow do you make homemade worry stones? Preheat the oven to 230 degrees or the temperature specified in the clay manufacturer’s instruction. Pinch off a small amount of clay and roll it into a ball. … Press your thumb into the center of the ball to create an indentation. … Place the clay worry stones
on April 17, 2022
Will an earthquake destroy Seattle?
GeologyIs 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
on April 17, 2022
Can you visit the Cave of Crystals?
GeologyUnfortunately, tourists are not allowed to visit the Cave of Crystals. The hot and humid conditions make this particular cave a hazardous place to visit, and even scientists need a special permit to enter the cave. You can learn about the various formations there at the online Mineralogy Museum of Mexico. Is it rare to
on April 17, 2022
Why did the 1989 Newcastle earthquake occur?
GeologyThe magnitude 5.6 quake that struck Newcastle, in New South Wales, on December 28, 1989, killed 13 people, injured 160, and caused 3.5 billion U.S. dollars worth of damage. That quake was triggered by changes in tectonic forces caused by 200 years of underground coal mining, according to a study by Christian D. Did mining
on April 17, 2022
Which country has the most volcanoes?
GeologyWhich countries have the most volcanoes? Country Holocene Volcanoes Active since 1950 CE 1. United States 161 42 2. Japan 122 43 3. Indonesia 121 58 4. Russia 117 33 What country has the most volcanoes and why? Indonesia is a volcanically active country, containing numerous major volcanoes. It has the most volcanoes of any
on April 17, 2022
What are two branches of Earth science that rely heavily on other areas of science?
GeologyOther Branches of Earth Science Geology, oceanography, and meteorology represent a large part of Earth science, while astronomy represents science beyond Earth. What are the two main branches of Earth science? Geology is the primary Earth science. … Meteorology is the study of the atmosphere and how processes in the atmosphere determine Earth’s weather and
on April 17, 2022
What is magmatic process?
GeologyMagmatic processes comprise any process that affects the melting or crystallization of a magma. This includes partial melting of rocks of different composition under different conditions of temperature and pressure (total and fluid such as H2O) and the processes that modify the composition of the melt after melting. What are the three magmatic processes? The