on April 16, 2022
How many seismograph stations are there in the world?
Geology(Public domain.) Formed in partnership among the USGS, the National Science Foundation (NSF) and the Incorporated Research Institutions for Seismology (IRIS), the GSN provides near-uniform, worldwide monitoring of the Earth, with over 150 modern seismic stations distributed globally. How many seismograph stations are there? In theory, at least 3 stations are needed in order to
on April 16, 2022
How far can you feel earthquakes?
GeologyA magnitude 4.0 eastern U.S. earthquake typically can be felt at many places as far as 60 miles from where it occurred, and it infrequently causes damage near its source. A magnitude 5.5 eastern U.S. earthquake usually can be felt as far as 300 miles from where it occurred, and sometimes causes damage out to
on April 16, 2022
What happened during the Mount Pinatubo eruption?
GeologyThe world’s largest volcanic eruption to happen in the past 100 years was the June 15, 1991, eruption of Mount Pinatubo in the Philippines. Bursts of gas-charged magma exploded into umbrella ash clouds, hot flows of gas and ash descended the volcano’s flanks and lahars swept down valleys. What did Mount Pinatubo do? The second-largest
on April 16, 2022
What is the largest volcano in the world?
GeologyMauna LoaHawaii’s Mauna Loa is the largest active volcano on our planet. Its submarine flanks descend to the sea floor an additional 5 km (3 mi), and the sea floor in turn is depressed by Mauna Loa’s great mass another 8 km (5 mi). What are the 3 largest volcanoes in the world? Height of
on April 16, 2022
How many earthquakes does California have a day?
GeologyTimeline of historical Earthquakes in California. Although most of California’s quakes are small in magnitude and cause little or no damage, California experiences more than 100 per day! How frequent are earthquakes in California? Each year, California generally gets two or three earthquakes large enough to cause moderate damage to structures (magnitude 5.5 and higher).
on April 16, 2022
How much does a m3 of crushed concrete weigh?
GeologyGeneral Weights Solid rock is estimated at 2.5 to 3tons per cubic meter. If rock is crushed into uniform sizes, the presence of open space between the particles causes the load to be lighter — approximately 1.6 tons per cubic meter. Mixed sizes of crushed rock can range from 1.6 to 2.2 tons per cubic
on April 16, 2022
What makes sedimentary rocks unique?
GeologySedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form from deposits that accumulate on the Earth’s surface. Sedimentary rocks often have distinctive layering or bedding. What makes sedimentary rocks different from others? Thus, The difference is that: Sedimentary rocks are usually formed under water when grains of broken rocks are
on April 16, 2022
What is another word for clastic?
GeologyWhat is another word for clastic rock? sedimentary rock chalk limestone lithified sediment mechanical sedimentary rock nonclastic rock sandstone shale stratified rock What are clastic rocks called? Clastic sedimentary rocks form from the accumulation and lithification of mechanical weathering debris. Examples include: breccia, conglomerate, sandstone, siltstone, and shale. What is meant clastic? Definition of clastic
on April 16, 2022
Where is amethyst mined in Canada?
GeologyThunder BayThunder Bay is in the heart of amethyst country. These semi-precious gems are found in quality and quantity in Thunder Bay and along the north shore of Lake Superior. Where is the best place to mine for amethyst? Amethysts can be found in various parts of the world. Siberia, Zambia, Bolivia, Uruguay, Mexico, India,
on April 16, 2022
What can you do with limestone rocks?
GeologyLimestone has numerous uses: as a building material, an essential component of concrete (Portland cement), as aggregate for the base of roads, as white pigment or filler in products such as toothpaste or paints, as a chemical feedstock for the production of lime, as a soil conditioner, and as a popular decorative … What can